Publications and communications of Jean Manfroid

Jehin, E., Donckt, M. V., Hmiddouch, S., & Manfroid, J. (2024). TRAPPIST bright comets production rates: 12P/Pons-Brooks, 13P/Olbers, 62P/Tsuchinshan 1, 144P/Kushida and C/2021 S3 (PanSTARRS). ORBi-University of Liège. https://orbi.uliege.be/handle/2268/314258.

Rousselot, P., Jehin, E., Hutsemekers, D., Opitom, C., Manfroid, J., & Hardy, P. (01 March 2024). 12CO+ and 13CO+ fluorescence models for measuring the 12C/13C isotopic ratio in comets. Astronomy and Astrophysics, 683, 50. doi:10.1051/0004-6361/202348027

Jehin, E., Vander Donck, M., Hmiddouch, S., & Manfroid, J. (2024). TRAPPIST bright comets production rates: 62P/Tsuchinshan 1, 103P/Hartley, 144P/Kushida, and 12P/Pons-Brooks. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/314297.

Jehin, E., Vander Donckt, M., Hmiddouch, S., & Manfroid, J. (2023). TRAPPIST bright comets production rates: 62P/Tsuchinshan 1, 103P/Hartley, C/2023 H2 (Lemmon), and the 14 November huge outburst of 12P/Pons-Brooks. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/310155.

De Becker, A.* , Head, L. A.* , Bonfond, B., Jehin, E., Manfroid, J., Yao, Z., Zhang, B., Grodent, D., Schneider, N., & Benkhaldoun, Z. (2023). A study of Io's sodium jets with the TRAPPIST telescopes. Astronomy and Astrophysics. doi:10.1051/0004-6361/202347447
* These authors have contributed equally to this work.

Jehin, E., Vander Donckt, M., Hmiddouch, S., Manfroid, J., Jabiri, A., & Benkhaldoun, Z. (2023). TRAPPIST production rates of multi outbursts comet 12P/Pons-Brooks. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/308343.

Jehin, E., Vander Donckt, M., Hmiddouch, S., Manfroid, J., Jabiri, A., & Benkhaldoun, Z. (2023). TRAPPIST bright comets production rates: 103P/Hartley, 2P/Encke, C/2023 E1 (ATLAS), C/2020 V2 (ZTF), C/2022 A2 (PANSTARRS), and C/2017 K2 (PANSTARRS). ORBi-University of Liège. https://orbi.uliege.be/handle/2268/308344.

Jehin, E., Vander Donckt, M., Hmiddouch, S., Manfroid, J., Jabiri, A., & Benkhaldoun, Z. (2023). TRAPPIST bright comets production rates: C/2023 P1 (Nishimura), C/2023 E1 (ATLAS), C/2020 V2 (ZTF), C/2022 A2 (PANSTARRS), 103P/Hartley, 2P/Encke, and 12P/Pons-Brooks. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/307776.

Hardy, P., Jehin, E., Rousselot, P., Hutsemekers, D., & Manfroid, J. (01 August 2023). Atlas of Cometary Lines Obtained from High-Resolution Optical Spectra of Comets C/2002 T7 (LINEAR) and C/2016 R2 (PanSTARRS) [Paper presentation]. Asteroids, Comets, Meteors Conference, Flagstaff, United States.

Hmiddouch, S., Jehin, E., Vander Donckt, M., Moulane, Y., Manfroid, J., Jabiri, A., & Benkhaldoun, Z. (01 August 2023). TRAPPIST Narrow Band Survey of Bright Long Period Comets in 2022–2023 [Poster presentation]. Asteroids, Comets, Meteors Conference, Flagstaff, United States.

Jehin, E., Lippi, M., Vander Donckt, M., Hmiddouch, S., Hutsemekers, D., Manfroid, J., Moulane, Y., Jabiri, A., & Benkhaldoun, Z. (01 August 2023). Monitoring the Activity and the Composition of Comet C/2017 K2 (PANSTARRS) [Poster presentation]. Asteroids, Comets, Meteors Conference, Flagstaff, United States.

Rousselot, P., Jehin, E., Hutsemekers, D., Opitom, C., Manfroid, J., & Hardy, P. (01 August 2023). Fluorescence Spectrum of 12CO+ and 13CO+ in Comets [Paper presentation]. Asteroids, Comets, Meteors Conference, Flagstaff, United States.

Jehin, E., Vander Donckt, M., Manfroid, J., Hmiddouch, S., Moulane, Y., Jabiri, A., & Benkhaldoun, Z. (01 April 2023). TRAPPIST comets production rates: C/2022 E3 (ZTF), C/2017 K2 (PANSTARRS), C/2022 U2 (ATLAS), C/2021 Y1 (ATLAS), C/2022 P1 (NEOWISE), and 81P/Wild 2. The Astronomer's Telegram, 15973, 1.

Moulane, Y., Jehin, E., Manfroid, J., Hutsemekers, D., Opitom, C., Shinnaka, Y., Bodewits, D., Benkhaldoun, Z., Jabiri, A., Hmiddouch, S., Vander Donckt, M., Pozuelos, F. J., & Yang, B. (01 February 2023). Activity and composition of the hyperactive comet 46P/Wirtanen during its close approach in 2018. Astronomy and Astrophysics, 670, 159. doi:10.1051/0004-6361/202244779

Jehin, E., Vander Donckt, M., Manfroid, J., Hmiddouch, S., Moulane, Y., Jabiri, A., & Benkhaldoun, Z. (01 December 2022). TRAPPIST comets production rates: C/2022 E3 (ZTF), C/2022 A2 (PANSTARRS), C/2022 U2 (ATLAS), C/2020 V2 (ZTF), C/2021 Y1 (ATLAS), 118P, 81P, and 73P/SW-3. The Astronomer's Telegram, 15822, 1.

Jehin, E., Vander Donckt, M., Manfroid, J., & Moulane, Y. (01 November 2022). TRAPPIST comets production rates: C/2017 K2 (PanSTARRS), C/2022 E3 (ZTF), C/2022 P1 (NEOWISE), and 73P/SW-3. The Astronomer's Telegram, 15743, 1.

Manfroid, J. (November 2022). L'astronomie dans le monde - 11/2022. Ciel (Le), 84, p. 566-583.

Manfroid, J. (November 2022). Joyaux cosmiques - 11/2022. Ciel (Le), 84, p. 584-591.

Manfroid, J. (November 2022). Chronique martienne - 11/2022. Ciel (Le), 84, p. 531-542.

Anderson, S. E., Rousselot, P., Noyelles, B., Opitom, C., Jehin, E., Hutsemekers, D., & Manfroid, J. (01 October 2022). The N2 production rate in comet C/2016 R2 (PanSTARRS). Monthly Notices of the Royal Astronomical Society, 515, 5869-5876. doi:10.1093/mnras/stac2091

Ferrais, M., Vernazza, P., Jorda, L., Jehin, E., Pozuelos, F. J., Manfroid, J., Moulane, Y., Barkaoui, K., & Benkhaldoun, Z. (01 October 2022). Photometry of 25 Large Main-belt Asteroids with TRAPPIST-North and -South. Minor Planet Bulletin, 49, 307-313.

Jehin, E., Vander Donckt, M., Manfroid, J., & Moulane, Y. (01 October 2022). Large outburst of comet 73P/Schwassmann-Wachmann 3. The Astronomer's Telegram, 15673, 1.

Manfroid, J. (October 2022). L'astronomie dans le monde - 10/2022. Ciel (Le), 84 (octobre), p. 505-523.

Manfroid, J. (October 2022). Joyaux cosmiques - 10/2022. Ciel (Le), 84, p. 488-491.

Manfroid, J. (October 2022). Anniversaires spatiaux - 10/2022. Ciel (Le), 84, p. 495-504.

Anderson, S., Rousselot, P., Noyelles, B., Opitom, C., Jehin, E., Hutsemekers, D., & Manfroid, J. (01 September 2022). The N2 Production Rate in C/2016 R2 (PanSTARRS) [Paper presentation]. 16th Europlanet Science Congress 2022, Granada, Spain. doi:10.5194/epsc2022-538

Jehin, E., Lippi, M., Hutsemekers, D., Manfroid, J., Vander Donckt, M., & Rousselot, P. (01 September 2022). Pre-perihelion high resolution optical spectroscopy of the long period comet C/2017 K2 (PanSTARRS) with UVES at the VLT [Poster presentation]. 16th Europlanet Science Congress 2022, Granada, Spain. doi:10.5194/epsc2022-1071

Jehin, E., Vander Donckt, M., Hmiddouch, S., Manfroid, J., Hutsemekers, D., & Moulane, Y. (01 September 2022). TRAPPIST comets production rates: C/2017 K2 (PanSTARR), C/2022 E3 (ZTF), C/2022 P1 (NEOWISE), and 73P/SW-3. The Astronomer's Telegram, 15591, 1.

Manfroid, J. (September 2022). Un télescope unique à miroir liquide voit le jour dans l’Himalaya indien - 09/2022. Ciel (Le), 84, p. 448-449.

Manfroid, J. (September 2022). Le JWST entre en scène - 09/2022. Ciel (Le), 84, p. 424-439.

Manfroid, J. (September 2022). L'astronomie dans le monde - 9/2022. Ciel (Le), 84, p. 417-419.

Rousselot, P., Anderson, S., Alijah, A., Noyelles, B., Jehin, E., Hutsemekers, D., Opitom, C., & Manfroid, J. (01 September 2022). Modeling of N2+ and 14N15N+ fluorescence spectrum in comets [Paper presentation]. 16th Europlanet Science Congress 2022, Granada, Spain. doi:10.5194/epsc2022-596

Jehin, E., Vander Donckt, M., Hmiddouch, S., Manfroid, J., Hutsemekers, H., & Moulane, Y. (01 July 2022). TRAPPIST comet production rates: C/2017 K2 (PanSTARR), C/2021 E3 (ZTF), and 22P/Kopff. The Astronomer's Telegram, 15491, 1.

Manfroid, J. (May 2022). Joyaux cosmiques - 05/2022. Ciel (Le), 84, p. 282-287.

Rousselot, P., Anderson, S. E., Alijah, A., Noyelles, B., Opitom, C., Jehin, E., Hutsemekers, D., & Manfroid, J. (01 May 2022). N2+ fluorescence spectrum of comet C/2016 R2 (PanSTARRS). Astronomy and Astrophysics, 661, 131. doi:10.1051/0004-6361/202142829

Manfroid, J. (March 2022). L'astronomie dans le monde - 03/2022. Ciel (Le), 84, p. 163-191.

Manfroid, J. (March 2022). Joyaux cosmiques - 03/2022. Ciel (Le), 84, p. 156-159.

Manfroid, J. (February 2022). Noyaux et jets galactique - 02/2022. Ciel (Le), 84, p. 71-79.

Hubert, B., Munhoven, G., Moulane, Y., Hutsemekers, D., Manfroid, J., Opitom, C., & Jehin, E. (01 January 2022). Analytic and numerical methods for the Abel transform of exponential functions for planetary and cometary atmospheres. Icarus, 371, 114654. doi:10.1016/j.icarus.2021.114654

Jehin, E., Moulane, Y., Manfroid, J., Vander Donckt, M., Pozuelos, F., Ferrais, M., & Hutsemekers, D. (01 January 2022). TRAPPIST comet production rates: 19P/Borrelly, 67P/C-G, 104P/Kowal 2, C/2019 L3 (ATLAS), and C/2021 A1 (Leonard). The Astronome's Telegram, 15186, 1.

Jehin, E., Moulane, Y., Manfroid, J., Vander Donckt, M., Pozuelos, F., Ferrais, M., & Hutsemekers, D. (01 January 2022). Outburst of comet C/2021 A1 (Leonard) on January 7, 2021. The Astronomer's Telegram, 15189, 1.

Manfroid, J. (2022). Webb, de Neptune aux confins de l’univers - 12/2022. Ciel (Le), 84, p. 638-643.

Manfroid, J. (2022). Noyaux et jets galactiques - 02/2022. Le Ciel, 84, p. 71-79.

Manfroid, J. (January 2022). Nouvelles du Système solaire - 01/2022. Ciel (Le), 84, p. 9-17.

Manfroid, J. (2022). Le télescope Webb se prépare - 04/2022. Ciel (Le), 84 (4), p. 214-217.

Manfroid, J. (2022). La Tarentule livre ses secrets - 10/2022. Ciel (Le), 84, p. 470-474.

Manfroid, J. (2022). L'astronomie dans le monde - 12/2022. Ciel (Le), 84, p. 598-623.

Manfroid, J. (2022). L'astronomie dans le monde - 06/2022. Ciel (Le), 84, p. 356-383.

Manfroid, J. (2022). L'astronomie dans le monde - 05/2022. Ciel (Le), 84, p. 291-319.

Manfroid, J. (2022). L'astronomie dans le monde - 04/2022. Ciel (Le), 84, p. 230-247.

Manfroid, J. (2022). L'astronomie dans le monde - 02/2022. Ciel (Le), 84, p. 99-127.

Manfroid, J. (January 2022). L'astronomie dans le monde - 01/2022. Ciel (Le), 84 (janvier), p. 34-63.

Manfroid, J. (2022). Joyaux cosmiques - 12/2022. Ciel (Le), 84, p. 650-655.

Manfroid, J. (2022). Joyaux cosmiques - 06/2022. Ciel (Le), 84, p. 346-349.

Manfroid, J. (2022). Joyaux cosmiques - 04/2022. Ciel (Le), 84, p. 218-223.

Manfroid, J. (2022). Joyaux cosmiques - 02/2022. Ciel (Le), 84, p. 88-95.

Manfroid, J. (January 2022). Joyaux cosmiques - 01/2022. Ciel (Le), 84, p. 26-29.

Manfroid, J. (2022). Actualités solaires - 05/2022. Ciel (Le), 84, p. 262-267.

Manfroid, J. (2022). Actualités solaires - 05/2022. Ciel (Le), 84, p. 262-267.

Jehin, E., Moulane, Y., & Manfroid, J. (01 December 2021). TRAPPIST C/2021 A1 (Leonard) comet production rates. The Astronomer's Telegram, 15128, 1.

Jehin, E., Moulane, Y., Manfroid, J., Vander Donckt, M., Hmiddouch, S., Pozuelos, F., Ferrais, M., & Hutsemekers, D. (01 December 2021). TRAPPIST comet production rates: 6P/d'Arrest, 67P/C-G, 4P/Faye, 19P/Borrelly, 57P/D-N-D. The Astronomer's Telegram, 15117, 1.

Manfroid, J. (December 2021). L'astronomie dans le monde - 12/2021. Ciel (Le), 83, p. 615-643.

Manfroid, J. (December 2021). Joyaux cosmiques - 12/2021. Ciel (Le), 83, p. 606-611.

Manfroid, J. (November 2021). L'astronomie dans le monde - 11/2021. Ciel (Le), 83, p. 551-579.

Manfroid, J. (November 2021). Joyaux cosmiques - 11/2021. Ciel (Le), 83, p. 538-547.

Ferrais, M., Jehin, E., Manfroid, J., Moulane, Y., Barkaoui, K., & Benkhaldoun, Z. (01 October 2021). Rotation period determination of NASA Lucy mission target (52246) Donaldjohanson. Bulletin of the American Astronomical Society, 53 (7), 306.19.

Jehin, E., Manfroid, J., & Hutsemekers, D. (01 October 2021). The discovery of Fe and Ni free atoms in comets atmospheres even far from the Sun. Bulletin of the American Astronomical Society, 53 (7), 105.06.

Manfroid, J. (October 2021). L'astronomie dans le monde - 10/2021. Ciel (Le), 83, p. 487-509.

Manfroid, J. (October 2021). Joyaux cosmiques - 10/2021. Ciel (Le), 83, p. 510-515.

Opitom, C., Jehin, E., Hutsemekers, D., Shinnaka, Y., Manfroid, J., Rousselot, P., Raghuram, S., Fitzsimmons, A., Meech, K., Micheli, M., Snodgrass, C., Yang, B., & Hainaut, O. (01 October 2021). A surprising similarity to solar system comets from high resolution optical spectroscopy of 2I/Borisov. Bulletin of the American Astronomical Society, 53 (7), 505.02.

Hutsemekers, D., Manfroid, J., & Jehin, E. (2021). FeI and NiI in comets. In EPSC Abstracts Vol. 15, EPSC2021-89 (pp. 2021-89). European Planetary Science Congress 2021.

Manfroid, J. (September 2021). L'astronomie dans le monde - 09/2021. Ciel (Le), 83, p. 422-451.

Manfroid, J. (September 2021). Joyaux cosmiques - 09/2021. Ciel (Le), 83, p. 404-409.

Opitom, C., Jehin, E., Hutsemekers, D., Shinnaka, Y., Manfroid, J., Rousselot, P., Raghuram, S., Kawakita, H., Fitzsimmons, A., Meech, K., Micheli, M., Snodgrass, C., Yang, B., & Hainaut, O. (2021). High resolution optical spectroscopy of 2I/Borisov: a surprising similarity to solar system comets. In EPSC Abstracts Vol. 15, EPSC2021-178 (pp. 2021-178).

Hutsemekers, D., Manfroid, J., Jehin, E., Opitom, C., & Moulane, Y. (01 August 2021). FeI and NiI in cometary atmospheres. Connections between the NiI/FeI abundance ratio and chemical characteristics of Jupiter-family and Oort-cloud comets. Astronomy and Astrophysics, 652, 1. doi:10.1051/0004-6361/202141554

Devogèle, M., Ferrais, M., Jehin, E., Moskovitz, N., Skiff, B. A., Levine, S. E., Gustafsson, A., Farnocchia, D., Micheli, M., Snodgrass, C., Borisov, G., Manfroid, J., Moulane, Y., Benkhaldoun, Z., Burdanov, A., Pozuelos, F. J., Gillon, M., de Wit, J., Green, S. F., ... Trujillo, C. A. (01 July 2021). (6478) Gault: physical characterization of an active main-belt asteroid. Monthly Notices of the Royal Astronomical Society, 505, 245. doi:10.1093/mnras/stab1252

Manfroid, J. (June 2021). L'astronomie dans le monde - 06/2021. Ciel (Le), 83, p. 359-373.

Manfroid, J. (June 2021). Joyaux cosmiques - 06/2021. Ciel (Le), 83, p. 374-379.

Opitom, C., Jehin, E., Hutsemekers, D., Shinnaka, Y., Manfroid, J., Rousselot, P., Raghuram, S., Kawakita, H., Fitzsimmons, A., Meech, K., Micheli, M., Snodgrass, C., Yang, B., & Hainaut, O. (01 June 2021). The similarity of the interstellar comet 2I/Borisov to Solar System comets from high-resolution optical spectroscopy. Astronomy and Astrophysics, 650, 19. doi:10.1051/0004-6361/202141245

Manfroid, J., Hutsemekers, D., & Jehin, E. (19 May 2021). Iron and nickel atoms in cometary atmospheres even far from the Sun. Nature, 593, 372. doi:10.1038/s41586-021-03435-0

Manfroid, J. (May 2021). L'astronomie dans le monde - 05/2021. Ciel (Le), 83, p. 292-323.

Ferrais, M., Jehin, E., Vernazza, P., Jorda, L., Moulane, Y., Pozuelos Romero, F. J., Manfroid, J., Barkaoui, K., & Benkhaldoun, Z. (01 April 2021). Lightcurve Based Determination of 10 Hygiea'S Rotational Period With Trappist-North and -South. Minor Planet Bulletin, 48, 166.

Hubert, B., Munhoven, G., Moulane, Y., Hutsemekers, D., Manfroid, J., Opitom, C., Jehin, E., Aoki, S., Soret, L., Gkouvelis, L., & Gérard, J.-C. (01 April 2021). Abel transform of exponential functions for planetary and cometary atmospheres with application to observation of 46P/Wirtanen and to the OI 557.7 nm emission at Mars [Paper presentation]. The 23rd EGU General Assembly.

Manfroid, J. (April 2021). Persévérance sur Mars - 04/2021. Ciel (Le), 83, p. 197-204.

Manfroid, J. (April 2021). L'astronomie dans le monde - 04/2021. Ciel (Le), 83, p. 226-255.

Manfroid, J. (April 2021). Joyaux cosmiques - 04/2021. Ciel (Le), 83, p. 216-221.

Manfroid, J. (March 2021). L'astronomie dans le monde - 03/2021. Ciel (Le), 83, p. 164-191.

Manfroid, J. (March 2021). Joyaux cosmiques - 03/2021. Ciel (Le), 83, p. 148-157.

Raghuram, S., Bhardwaj, A., Hutsemekers, D., Opitom, C., Manfroid, J., & Jehin, E. (01 March 2021). A physico-chemical model to study the ion density distribution in the inner coma of comet C/2016 R2 (Pan-STARRS). Monthly Notices of the Royal Astronomical Society, 501, 4035. doi:10.1093/mnras/staa3885

Manfroid, J. (February 2021). Nouvelles du ciel X - 02/2021. Ciel (Le), 83, p. 102-109.

Manfroid, J. (February 2021). L'astronomie dans le monde - 02/2021. Ciel (Le), 83, p. 70-95.

Manfroid, J. (February 2021). Joyaux cosmiques - 02/2021. Ciel (Le), 83, p. 110-117.

Manfroid, J. (January 2021). Nouvelles de Mars - 01/2021. Ciel (Le), 83, p. 21-30.

Manfroid, J. (January 2021). L'astronomie dans le monde - 01/2021. Ciel (Le), 83, p. 34-45.

Manfroid, J. (January 2021). Joyaux cosmiques - 01/2021. Ciel (Le), 83, p. 46-49.

Jehin, E., Moulane, Y., Manfroid, J., Pozuelos Romero, F. J., Ferrais, M., & Hutsemekers, D. (01 December 2020). 398P/Boattini a new JFC carbon-chain poor comet. The Astronomer's Telegram, 14251, 1.

Hmiddouch, S., Jehin, E., Donckt, M., Moulane, Y., Manfroid, J., Jabiri, A., & Benkhaldoun, Z. (2020). TRAPPIST Narrow Band Survey of Bright Long Period Comets in 2022-2023. Asteroids, Comets, Meteors Conference 2023 (LPI Contrib. No. 2851).

Jehin, E., Moulane, Y., Manfroid, J., Pozuelos Romero, F. J., Ferrais, M., & Hutsemekers, D. (01 November 2020). TRAPPIST comet production rates: 88/Howell, C/2020 M3 (ATLAS), C/2020 S3 (Erasmus), 156P/Russell-LINEAR. The Astronomer's Telegram, 14174, 1.

Jehin, E., Moulane, Y., Manfroid, J., Pozuelos Romero, F. J., & Hutsemekers, D. (01 October 2020). TRAPPIST comet production rates: 88/Howell, C/2020 M3 (ATLAS), C/2020 S3 (Erasmus), 156P/Russell-LINEAR. The Astronomer's Telegram, 14101, 1.

Jehin, E., Bin, Y., Hainaut, O., Opitom, C., Manfroid, J., Moulane, Y., Fitzsimmons, A., Snodgrass, C., & Meech, K. (01 September 2020). Monitoring of the optical spectrum of comet 2I/Borisov at the VLT [Paper presentation]. 14th Europlanet Science Congress 2020. doi:10.5194/epsc2020-653

Jehin, E., Moulane, Y., Pozuelos Romero, F. J., Manfroid, J., & Benkhaldoun, Z. (01 September 2020). A dense monitoring of 2I/Borisov activity with TRAPPIST telescopes [Paper presentation]. 14th Europlanet Science Congress 2020. doi:10.5194/epsc2020-813

Moulane, Y., Jehin, E., José Pozuelos, F., Manfroid, J., Benkhaldoun, Z., & Yang, B. (01 September 2020). Narrow-band photometry of Long Period Comets with TRAPPIST telescopes in 2019-2020 [Paper presentation]. 14th Europlanet Science Congress 2020. doi:10.5194/epsc2020-419

Moulane, Y., Jehin, E., Rousselot, P., Manfroid, J., Shinnaka, Y., Pozuelos Romero, F. J., Hutsemekers, D., Opitom, C., Yang, B., & Benkhaldoun, Z. (01 August 2020). Photometry and high-resolution spectroscopy of comet 21P/Giacobini-Zinner during its 2018 apparition. Astronomy and Astrophysics, 640 (A54), 14. doi:10.1051/0004-6361/202037997

Rosu, S., Rauw, G., Conroy, K. E., Gosset, E., Manfroid, J., & Royer, P. (24 March 2020). Apsidal motion in the massive binary HD 152248. Astronomy and Astrophysics, 635 (A145), 1-21. doi:10.1051/0004-6361/201937285

Raghuram, S., Hutsemekers, D., Opitom, C., Jehin, E., Bhardwaj, A., & Manfroid, J. (01 March 2020). Forbidden atomic carbon, nitrogen, and oxygen emission lines in the water-poor comet C/2016 R2 (Pan-STARRS). Astronomy and Astrophysics, 635, 108, pp. 1-15. doi:10.1051/0004-6361/201936713

Rosu, S., Rauw, G., Gosset, E., Manfroid, J., & Royer, P. (March 2020). Apsidal motion in the massive binary HD 152248. Contributions of the Astronomical Observatory Skalnaté Pleso, 50 (2), 624-626. doi:10.31577/CAOSP.2020.50.2.624

Manfroid, J. (December 2019). Nouvelles de Mars - 12/2019. Ciel (Le), 81, p. 635-643.

Manfroid, J. (November 2019). Comète interstellaire - 11/2019. Ciel (Le), 81, p. 551-554.

Yang, B., Jehin, E., Pozuelos Romero, F. J., Moulane, Y., Shinnaka, Y., Opitom, C., Hsieh, H. H., Hutsemekers, D., & Manfroid, J. (01 November 2019). Comet 66P/du Toit: not a near-Earth main belt comet. Astronomy and Astrophysics, 631. doi:10.1051/0004-6361/201936469

Jehin, E., Moreno, F., Ferrais, M., Pozuelos Romero, F. J., Licandro, J., Moulane, Y., Devogele, M., Manfroid, J., Benkhaldoun, Z., & Snodgrass, C. (01 September 2019). A photometric and spectroscopic study of the multi-tailed asteroid (6478) Gault [Paper presentation]. EPSC-DPS Joint Meeting 2019, Geneva, Switzerland.

Jehin, E., Opitom, C., Hutsemekers, D., Rousselot, P., Moulane, Y., Pozuelos Romero, F. J., Manfroid, J., Fitzimmons, A., Gibson, C., & Snodgrass, C. (01 September 2019). The unique spectrum of comet C/2016 R2 (PanSTARRS) [Paper presentation]. EPSC-DPS Joint Meeting 2019, Geneva, Switzerland.

Manfroid, J. (September 2019). 1969 - « L’Aigle s’est posé » - 9/2019. Ciel (Le), 81, p. 412-422.

Moulane, Y., Jehin, E., José Pozuelos, F., Opitom, C., Manfroid, J., Yang, B., & Benkhaldoun, Z. (01 September 2019). Photometry, imaging and rotation period of comet 46P/Wirtanen during its 2018 apparition [Paper presentation]. EPSC-DPS Joint Meeting 2019, Geneva, Switzerland.

Moulane, Y., Jehin, E., José Pozuelos, F., Opitom, C., Manfroid, J., Yang, B., & Benkhaldoun, Z. (01 September 2019). Narrow- and broad-band photometry of the peculiar comet 21P/Giacobini-Zinner during its 2018 apparition [Paper presentation]. EPSC-DPS Joint Meeting 2019, Geneva, Switzerland.

Opitom, C., Hutsemekers, D., Manfroid, J., Jehin, E., Rousselot, P., Yang, B., & Moulane, Y. (01 September 2019). VLT multi-instrument observations of comet 46P/Wirtanen [Paper presentation]. EPSC-DPS Joint Meeting 2019, Geneva, Switzerland.

Rosu, S., Rauw, G., Gosset, E., Manfroid, J., & Royer, P. (September 2019). Apsidal Motion in The Massive Binary HD 152248 [Poster presentation]. Universe of Binaries, Binaries in the Universe, Telc, Czechia.

Rousselot, P., Jehin, E., Curti, M., Hutsemekers, D., Opitom, C., Manfroid, J., & Moulane, Y. (01 September 2019). Modeling of the CO+ emission spectrum in comet C/2016 R2 (PanSTARRS) [Paper presentation]. EPSC-DPS Joint Meeting 2019, Geneva, Switzerland.

Rousselot, P., Opitom, C., Jehin, E., Hutsemekers, D., Manfroid, J., Villarreal, M. N., Li, J.-Y., Castillo-Rogez, J., Russell, C. T., Vernazza, P., Marsset, M., Roth, L., Dumas, C., Yang, B., Prettyman, T. H., & Mousis, O. (01 August 2019). Search for water outgassing of (1) Ceres near perihelion. Astronomy and Astrophysics, 628, 22, pp. 1-6. doi:10.1051/0004-6361/201935738

Ferrais, M., Jehin, E., Manfroid, J., Moulane, Y., Pozuelos Romero, F. J., Gillon, M., & Benkhaldoun, Z. (01 July 2019). Trappist Lightcurves of Main-Belt Asteroids 31 Euphrosyne, 41 Daphne and 89 Julia. Minor Planet Bulletin, 46, 278-279.

Meza, E., Sicardy, B., Assafin, M., Ortiz, J. L., Bertrand, T., Lellouch, E., Desmars, J., Forget, F., Bérard, D., Doressoundiram, A., Lecacheux, J., Oliveira, J. M., Roques, F., Widemann, T., Colas, F., Vachier, F., Renner, S., Leiva, R., Braga-Ribas, F., ... Howell, R. R. (01 May 2019). Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016. Astronomy and Astrophysics, 625 (A42), 21. doi:10.1051/0004-6361/201834281

Moreno, F., Jehin, E., Licandro, J., Ferrais, M., Moulane, Y., Pozuelos Romero, F. J., Manfroid, J., Devogèle, M., Benkhaldoun, Z., Moskovitz, N., Popescu, M., Serra-Ricart, M., Cabrera-Lavers, A., & Monelli, M. (01 April 2019). Dust properties of double-tailed active asteroid (6478) Gault. Astronomy and Astrophysics, 624 (L14), 11. doi:10.1051/0004-6361/201935526

Opitom, C., Hutsemekers, D., Jehin, E., Rousselot, P., Pozuelos Romero, F. J., Manfroid, J., Moulane, Y., Gillon, M., & Benkhaldoun, Z. (01 April 2019). High resolution optical spectroscopy of the N2-rich comet C/2016 R2 (PanSTARRS). Astronomy and Astrophysics, 624, 64, pp.1-14. doi:10.1051/0004-6361/201834357

Manfroid, J. (2019). Ryugu - 5/2019. Ciel (Le), 81, p. 289-291.

Manfroid, J. (2019). L'astronomie dans le monde - 12/2019. Ciel (Le), 81, p. 598-618.

Manfroid, J. (2019). L'astronomie dans le monde - 11/2019. Ciel (Le), 81, p. 558-580.

Manfroid, J. (2019). L'astronomie dans le monde - 10/2019. Ciel (Le), 81, p. 466-488.

Manfroid, J. (2019). L'astronomie dans le monde - 09/2019. Ciel (Le), 81, p. 429-448.

Manfroid, J. (2019). L'astronomie dans le monde - 06/2019. Ciel (Le), 81, p. 331-341.

Manfroid, J. (2019). L'astronomie dans le monde - 05/2019. Ciel (Le), 81, p. 296-311.

Manfroid, J. (2019). L'astronomie dans le monde - 04/2019. Ciel (Le), 81, p. 230-244.

Manfroid, J. (2019). L'astronomie dans le monde - 03/2019. Ciel (Le), 81, p. 147-173.

Manfroid, J. (2019). L'astronomie dans le monde - 02/2019. Ciel (Le), 81, p. 91-115.

Manfroid, J. (2019). L'astronomie dans le monde - 01/2019. Ciel (Le), 81, p. 34-47.

Manfroid, J. (2019). Joyaux cosmiques - 12/2019. Ciel (Le), 81, p. 622-634.

Manfroid, J. (2019). Joyaux cosmiques - 11/2019. Ciel (Le), 81, p. 546-547.

Manfroid, J. (2019). Joyaux cosmiques - 10/2019. Ciel (Le), 81, p. 499-505.

Manfroid, J. (2019). Joyaux cosmiques - 06/2019. Ciel (Le), 81, p. 350-353.

Manfroid, J. (2019). Joyaux cosmiques - 05/2019. Ciel (Le), 81, p. 318-323.

Manfroid, J. (2019). Joyaux cosmiques - 04/2019. Ciel (Le), 81, p. 252-259.

Manfroid, J. (2019). Joyaux cosmiques - 03/2019. Ciel (Le), 81, p. 180-188.

Manfroid, J. (2019). Joyaux cosmiques - 02/2019. Ciel (Le), 81, p. 127-131.

Manfroid, J. (2019). Joyaux cosmiques - 01/2019. Ciel (Le), 81, p. 48-55.

Manfroid, J. (2019). 20 ans de Chandra - 11/2019. Ciel (Le), 81, p. 540-545.

Moulane, Y., Jehin, E., Opitom, C., Pozuelos Romero, F. J., Manfroid, J., Benkhaldoun, Z., Daassou, A., & Gillon, M. (01 November 2018). Monitoring of the activity and composition of comets 41P/Tuttle-Giacobini-Kresak and 45P/Honda-Mrkos-Pajdusakova. Astronomy and Astrophysics, 619, 156. doi:10.1051/0004-6361/201833582

Jehin, E., Opitom, C., Hutsemekers, D., Rousselot, P., José Pozuelos Romero, F., Manfroid, J., & Moulane, Y. (01 October 2018). A high resolution spetrum of comet C/2016 R2 (PanSTARRS) with the ESO VLT. Bulletin of the American Astronomical Society, 50, 210.15.

Moulane, Y., Jehin, E., José Pozuelos, F., Opitom, C., Manfroid, J., Benkhaldoun, Z., Daassou, A., & Gillon, M. (01 September 2018). TRAPPIST monitoring of the activity and composition of the small near-Earth Jupiter Family Comets : 41P and 252P [Poster presentation]. European Planetary Science Congress 2018, Berlin, Germany.

Opitom, C., Hutsemekers, D., Rousselot, P., Manfroid, J., & Jehin, E. (01 September 2018). High resolution spectroscopy of the unusual comet C/2016 R2 (PanSTARRS). EPSC Abstracts, 12, 220, pp. 1-2.

Pozuelos Romero, F. J., Jehin, E., Moulane, Y., Opitom, C., Manfroid, J., Benkhaldoun, Z., & Gillon, M. (01 September 2018). On the dust properties and dynamical evolution of the near- Earth Jupiter family comet 41P/Tuttle-Giacobini-Kresak [Poster presentation]. European Planetary Science Congress 2018, Berlin, Germany.

Rousselot, P., Opitom, C., Jehin, E., Hutsemekers, D., Manfroid, J., Villarreal, M. N., Li, J.-Y., Castillo-Rogez, J., Russell, C. T., Vernazza, P., Marsset, M., Roth, L., Dumas, C., Yang, B., & Mousis, O. (01 September 2018). Search for water outgassing of (1) Ceres near its perihelion. EPSC Abstracts, 12, 484, pp. 1-2.

Mahy, L., Gosset, E., Manfroid, J., Nitschelm, C., Hervé, A., Semaan, T., Sana, H., Le Bouquin, J.-B., & Toonen, S. (01 August 2018). The triple system HD 150136: From periastron passage to actual masses. Astronomy and Astrophysics, 616 (A), 75. doi:10.1051/0004-6361/201832810

Pozuelos Romero, F. J., Jehin, E., Moulane, Y., Opitom, C., Manfroid, J., Benkhaldoun, Z., & Gillon, M. (01 July 2018). Dust modelling and dynamical study of comet 41P/Tuttle-Giacobini-Kresak during 2017 perihelion passage. Astronomy and Astrophysics, 615, 154. doi:10.1051/0004-6361/201832851

Yang, B., Hutsemekers, D., Shinnaka, Y., Opitom, C., Manfroid, J., Jehin, E., Meech, K. J., Hainaut, O. R., Keane, J. V., & Gillon, M. (01 February 2018). Isotopic ratios in outbursting comet C/2015 ER61. Astronomy and Astrophysics, 609, 4, pp.1-4. doi:10.1051/0004-6361/201732100

Manfroid, J. (2018). Phaéton - 02/2018. Ciel (Le), 80, p. 98-99.

Manfroid, J. (2018). L'astronomie dans le monde - 12/2018. Ciel (Le), 80, p. 615-635.

Manfroid, J. (2018). L'astronomie dans le monde - 11/2018. Ciel (Le), 80, p. 526-547.

Manfroid, J. (2018). L'astronomie dans le monde - 10/2018. Ciel (Le), 80, p. 485-497.

Manfroid, J. (2018). L'astronomie dans le monde - 09/2018. Ciel (Le), 80, p. 401-417.

Manfroid, J. (2018). L'astronomie dans le monde - 06/2018. Ciel (Le), 80, p. 361-371.

Manfroid, J. (2018). L'astronomie dans le monde - 05/2018. Ciel (Le), 80, p. 264-287.

Manfroid, J. (2018). L'astronomie dans le monde - 04/2018. Ciel (Le), 80, p. 208-223.

Manfroid, J. (2018). L'astronomie dans le monde - 03/2018. Ciel (Le), 80, p. 136-159.

Manfroid, J. (2018). L'astronomie dans le monde - 02/2018. Ciel (Le), 80, p. 72-94.

Manfroid, J. (January 2018). L'astronomie dans le monde - 01/2018. Ciel (Le), 80, p. 12-47.

Manfroid, J. (2018). Joyaux cosmiques - 12/2018. Ciel (Le), 80, p. 636-643.

Manfroid, J. (2018). Joyaux cosmiques - 11/2018. Ciel (Le), 80, p. 566-579.

Manfroid, J. (2018). Joyaux cosmiques - 10/2018. Ciel (Le), 80, p. 498-507.

Manfroid, J. (2018). Joyaux cosmiques - 09/2018. Ciel (Le), 80, p. 444-451.

Manfroid, J. (2018). Joyaux cosmiques - 06/2018. Ciel (Le), 80, p. 372-375.

Manfroid, J. (2018). Joyaux cosmiques - 05/2018. Ciel (Le), 80, p. 300-311.

Manfroid, J. (2018). Joyaux cosmiques - 04/2018. Ciel (Le), 80, p. 234-243.

Manfroid, J. (2018). Joyaux cosmiques - 03/2018. Ciel (Le), 80, p. 170-181.

Manfroid, J. (2018). Joyaux cosmiques - 02/2018. Ciel (Le), 80, p. 112-120.

Manfroid, J. (2018). Joyaux cosmiques - 01/2018. Ciel (Le), 80, p. 48-54.

Manfroid, J. (2018). Gaia : le ciel en 3D - 06/2018. Ciel (Le), 80, p. 342-349.

Manfroid, J. (2018). Êta Carinae. Ciel (Le), 80, p. 478-481.

Manfroid, J. (2018). Actualités martiennes - 09/2018. Ciel (Le), 80, p. 421-432.

Manfroid, J., Ponsard, P., & Tajer, P. (2018). Les observateurs - 02/2018. Ciel (Le), 80, p. 100-111.

Van Grootel, V., Silva Fernandes, C., Gillon, M., Jehin, E., Manfroid, J., Scuflaire, R., Burgasser, A. J., Burdanov, A., Delrez, L., Demory, B.-O., de Wit, J., Queloz, D., & Triaud, A. H. M. J. (January 2018). Stellar parameters for TRAPPIST-1. Astrophysical Journal, 853, 30. doi:10.3847/1538-4357/aaa023

Manfroid, J. (December 2017). L'astronomie dans le monde - 12/2017. Ciel (Le), 79, p. 590-605.

Manfroid, J. (December 2017). Joyaux cosmiques - 12/2017. Ciel (Le), 79, p. 620-635.

Demoulin, P. P., & Manfroid, J. (November 2017). Les observateurs - 11/2017. Ciel (Le), 79, p. 529-535.

Manfroid, J. (November 2017). L'astronomie dans le monde - 11/2017. Ciel (Le), 79, p. 546-569.

Manfroid, J. (November 2017). Joyaux cosmiques - 11/2017. Ciel (Le), 79, p. 536-541.

Manfroid, J. (November 2017). Cassini, fin de mission - 11/2017. Ciel (Le), 79, p. 521-528.

Bérard, D., Sicardy, B., Camargo, J. I. B., Desmars, J., Braga-Ribas, F., Ortiz, J.-L., Duffard, R., Morales, N., Meza, E., Leiva, R., Benedetti-Rossi, G., Vieira-Martins, R., Gomes Júnior, A.-R., Assafin, M., Colas, F., Dauvergne, J.-L., Kervella, P., Lecacheux, J., Maquet, L., ... Dunham, D. (01 October 2017). The Structure of Chariklo’s Rings from Stellar Occultations. Astronomical Journal, 154. doi:10.3847/1538-3881/aa830d

Manfroid, J. (October 2017). L'astronomie dans le monde - 10/2017. Ciel (Le), 79, p. 460-481.

Manfroid, J. (October 2017). Joyaux cosmiques - 10/2017. Ciel (Le), 79, p. 504-511.

Yang, B., Hutsemekers, D., Shinnaka, Y., Jehin, E., Meech, K. J., Opitom, C., Hainaut, O., Keane, J., & Manfroid, J. (01 October 2017). Isotopic Ratios in a Peculiar Outbursting Comet. Bulletin of the American Astronomical Society, 49, 305.01.

Moulane, Y., Jehin, E., Pozuelos Romero, F. J., Manfroid, J., Opitom, C., Benkhaldoun, Z., & Gillon, M. (19 September 2017). Monitoring of comets activity and composition with the TRAPPIST-North Telescope [Poster presentation]. Astronomy Day of the Royal Observatory of Belgium.

Pozuelos Romero, F. J., Jehin, E., Moulane, Y., Manfroid, J., Opitom, C., Benkhaldoun, Z., & Gillon, M. (19 September 2017). Early results for 41P/Tuttle­Giacobini­Kresak during its last incursion in the inner Solar System based on TRAPPIST telescope network observations [Poster presentation]. Astronomy Day of the Royal Observatory of Belgium.

Manfroid, J. (September 2017). L'astronomie dans le monde - 09/2017. Ciel (Le), 79, p. 396-417.

Manfroid, J. (September 2017). Joyaux cosmiques - 09/2017. Ciel (Le), 79, p. 439-451.

Manfroid, J. (July 2017). Joyaux cosmiques - 06/2017. Ciel (Le), 79, p. 380-387.

Opitom, C., Snodgrass, C., Fitzsimmons, A., Jehin, E., Manfroid, J., Tozzi, G. P., Faggi, S., & Gillon, M. (01 July 2017). Ground-based monitoring of comet 67P/Churyumov–Gerasimenko gas activity throughout the Rosetta mission. Monthly Notices of the Royal Astronomical Society, 469, 222-S229. doi:10.1093/mnras/stx1591

Manfroid, J. (June 2017). L'astronomie dans le monde - 06/2017. Ciel (Le), 79, p. 356-368.

Dias-Oliveira, A., Sicardy, B., Ortiz, J. L., Braga-Ribas, F., Leiva, R., Vieira-Martins, R., Benedetti-Rossi, G., Camargo, J. I. B., Assafin, M., Gomes-Junior, A. R., Baug, T., Chandrasekhar, T., Desmars, J., Duffard, R., Santos-Sanz, P., Ergang, Z., Ganesh, S., Ikari, Y., Irawati, P., ... Wortmann, G. (01 May 2017). Study of the plutino object (208996) 2003 AZ84 from stellar occultations: size, shape and topographic features. Astronomical Journal, 154 (1), 13. doi:10.3847/1538-3881/aa74e9

Manfroid, J. (May 2017). L'astronomie dans le monde - 05/2017. Ciel (Le), 79, p. 289-305.

Manfroid, J. (May 2017). Joyaux cosmiques - 05/2017. Ciel (Le), 79, p. 306-313.

Manfroid, J. (May 2017). Changements sur le noyau de 67P - 05/2017. Ciel (Le), 79, p. 268-273.

Snodgrass, C., A'Hearn, M. F., Aceituno, F., Afanasiev, V., Bagnulo, S., Bauer, J., Bergond, G., Besse, S., Biver, N., Bodewits, D., Boehnhardt, H., Marchant, J., McKay, A. J., McNeill, A., Meech, K. J., Micheli, M., Mohammed, I., Monguió, M., Moreno, F., ... Manfroid, J. (01 May 2017). The 67P/Churyumov-Gerasimenko observation campaign in support of the Rosetta mission. Philosophical Transactions. Mathematical, Physical and Engineering Sciences, 375, 20160249, pp.1-22. doi:10.1098/rsta.2016.0249

Jehin, E., Opitom, C., Moulane, Y., Pozuelos Romero, F. J., Manfroid, J., Gillon, M., & Zouhair, B. (April 2017). Gas and dust production rates of comets 41P and 45P from TRAPPIST [Poster presentation]. Asteroids, Comets, Meteors - ACM 2017.

Manfroid, J. (April 2017). L'astronomie dans le monde - 04/2017. Ciel (Le), 79, p. 224-232.

Manfroid, J. (April 2017). Joyaux cosmiques - 04/2017. Ciel (Le), 79, p. 249-251.

Moulane, Y., Jehin, E., Manfroid, J., Opitom, C., Pozuelos Romero, F. J., Benkhaldoun, Z., Gillon, M., & Schneider, I. (April 2017). Study of comets activity with the TRAPPIST-North telescope [Poster presentation]. Asteroids, Comets, Meteors - ACM 2017, Montevideo, Uruguay.

Manfroid, J. (March 2017). L'astronomie dans le monde - 03/2017. Ciel (Le), 79, p. 133-148.

Manfroid, J. (March 2017). Joyaux cosmiques - 03/2017. Ciel (Le), 79, p. 172-187.

Manfroid, J., & Ponsard, P. (March 2017). Les observateurs - 03/2017. Ciel (Le), 79, p. 149-155.

Manfroid, J. (February 2017). Rosetta, l'épilogue - 02/2017. Ciel (Le), 79, p. 67-73.

Manfroid, J. (February 2017). L'astronomie dans le monde - 02/2017. Ciel (Le), 79, p. 95-113.

Manfroid, J. (February 2017). Joyaux cosmiques - 02/2017. Ciel (Le), 79, p. 74-77.

Manfroid, J. (January 2017). L'astronomie dans le monde - 01/2017. Ciel (Le), 79, p. 14-28.

Manfroid, J. (January 2017). Joyaux cosmiques - 01/2017. Ciel (Le), 79, p. 36-41.

Manfroid, J., & Désamoré, L. (2017). Trappist-1 et les sept planètes. Ciel (Le), 79, p. 196-207.

Raucq, F., Gosset, E., Rauw, G., Manfroid, J., Mahy, L., Mennekens, N., & Vanbeveren, D. (2017). Observational signatures of past mass-exchange episodes in massive binaries: the case of LSS 3074. Astronomy and Astrophysics, 601, 133. doi:10.1051/0004-6361/201630330

Manfroid, J. (December 2016). L'astronomie dans le monde - 12/2016. Ciel (Le), 78, p. 591-604.

Manfroid, J. (December 2016). Joyaux cosmiques - 12/2016. Ciel (Le), 78, p. 608-621.

Jehin, E., Gillon, M., Benkhaldoun, Z., Moulane, Y., Barkaoui, K., Bourdanov, A., Dassou, A., & Manfroid, J. (2016). TRAPPIST-Nord. Ciel (Le).

Manfroid, J. (November 2016). L'astronomie dans le monde - 11/2016. Ciel (Le), 78, p. 546-563.

Shinnaka, Y., Kawakita, H., Jehin, E., Decock, A., Hutsemekers, D., & Manfroid, J. (01 November 2016). Ortho-to-para abundance ratios of NH2in 26 comets: implications for the real meaning of OPRs. Monthly Notices of the Royal Astronomical Society, 462, 124-S131. doi:10.1093/mnras/stw2298

Shinnaka, Y., Kawakita, H., Jehin, E., Decock, A., Hutsemekers, D., Manfroid, J., & Arai, A. (01 November 2016). Nitrogen isotopic ratios of NH 2 in comets: implication for 15 N-fractionation in cometary ammonia. Monthly Notices of the Royal Astronomical Society, 462, 195-S209. doi:10.1093/mnras/stw2410

Dias-Oliveira, A., Sicardy, B., Ortiz, J.-L., Braga-Ribas, F., Vieira-Martins, R., BENEDETTI Rossi, G., camargo, J., Assafin, M., Gomes-Júnior, A., Baug, T., Chandrasekhar, T., Duffard, R., Ergang, Z., Ganesh Ganesh, S., Ikari, Y., Irawati, P., Jain, R., Liying, Z., Richichi, A., ... Widemann, T. (2016). 2003 AZ84: Size, shape, albedo and first detection of topographic features. In AAS/Division for Planetary Sciences Meeting Abstracts (pp. 106.09).

Kawakita, H., Shinnaka, Y., Jehin, E., Decock, A., Hutsemekers, D., & Manfroid, J. (01 October 2016). Survey for Ortho-to-Para Abundance Ratios (OPRs) of NH2 in Comets: Revisit to the Meaning of OPRs of Cometary Volatiles. Bulletin of the American Astronomical Society, 48, 330.05.

Manfroid, J. (October 2016). L'astronomie dans le monde - 10/2016. Ciel (Le), 78, p. 457-473.

Manfroid, J., & Ponsard, P. D. (October 2016). Les observateurs - 10/2016. Ciel (Le), 78, p. 483-505.

Rousselot, P., Jehin, E., Hutsemekers, D., Manfroid, J., Decock, A., & Bockelee-Morvan, D. (01 October 2016). The OD/OH Isotope Ratio in Comets 8P/Tuttle and C/2012 F6 (Lemmon). Bulletin of the American Astronomical Society, 48, 330.03.

Manfroid, J. (September 2016). L'astronomie dans le monde - 09/2016. Ciel (Le), 78, p. 428-441.

Manfroid, J. (September 2016). Joyaux cosmiques - 09/2016. Ciel (Le), 78, p. 402-407.

Manfroid, J. (September 2016). Exoplanètes jeunes - 09/2016. Ciel (Le), 78, p. 423-427.

Grün, E., Agarwal, J., Altobelli, N., Altwegg, K., Bentley, M. S., Biver, N., Della Corte, V., Edberg, N., Feldman, P. D., Galand, M., Geiger, B., Götz, C., Grieger, B., Güttler, C., Henri, P., Hofstadter, M., Horanyi, M., Jehin, E., Krüger, H., ... Taylor, M. G. G. T. (2016). The 19 Feb. 2016 Outburst of Comet 67P/CG: An ESA Rosetta Multi-Instrument Study. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stw2088

Raucq, F., Rauw, G., Gosset, E., Manfroid, J., & Mahy, L. (July 2016). Observational signatures of past mass-exchange episodes in massive binaries : The cases of LSS 3074 and HD 17505 [Poster presentation]. Binary Stars in Cambridge 2016, Cambridge, United Kingdom.

Manfroid, J. (June 2016). TRAPPIST-1 - 06/2016. Ciel (Le), 78, p. 334-341.

Manfroid, J. (June 2016). L'astronomie dans le monde - 06/2016. Ciel (Le), 78, p. 352-369.

Manfroid, J. (June 2016). Joyaux cosmiques - 06/2016. Ciel (Le), 78, p. 323-333.

Manfroid, J. (May 2016). Joyaux cosmiques - 05/2016. Ciel (Le), 78, p. 271-283.

Manfroid, J. (May 2016). Cérès - 05/2016. Ciel (Le), 78, p. 262-269.

Hubert, B., Opitom, C., Hutsemekers, D., Jehin, E., Munhoven, G., Manfroid, J., Bisikalo, D. V., & Shematovich, V. I. (01 April 2016). Abel inversion method for cometary atmospheres [Paper presentation]. EGU General Assembly, Vienna, Austria.

Manfroid, J. (April 2016). L'astronomie dans le monde - 04/2016. Ciel (Le), 78, p. 204-221.

Manfroid, J. (April 2016). Joyaux cosmiques - 04/2016. Ciel (Le), 78, p. 230-239.

Manfroid, J., & Ponsard, P. (April 2016). Les observateurs - 04/2016. Ciel (Le), 78, p. 200-203.

Snodgrass, C., Jehin, E., Manfroid, J., Opitom, C., Fitzsimmons, A., Tozzi, G. P., Faggi, S., Yang, B., Knight, M. M., Conn, B. C., Lister, T., Hainaut, O., Bramich, D. M., Lowry, S. C., Rozek, A., Tubiana, C., & Guilbert-Lepoutre, A. (01 April 2016). Distant activity of 67P/Churyumov-Gerasimenko in 2014: Ground-based results during the Rosetta pre-landing phase. Astronomy and Astrophysics, 588. doi:10.1051/0004-6361/201527834

Manfroid, J. (March 2016). Une nouvelle neuvième planète ? - 03/2016. Ciel (Le), 78, p. 138-147.

Manfroid, J. (March 2016). Première observation d’ondes gravitationnelles - 03/2016. Ciel (Le), 78, p. 148-152.

Manfroid, J. (March 2016). L'astronomie dans le monde - 03/2016. Ciel (Le), 78, p. 163-178.

Manfroid, J. (March 2016). Joyaux cosmiques - 03/2016. Ciel (Le), 78, p. 179-185.

Hanuš, J., Ďurech, J., Oszkiewicz, D. A., Behrend, R., Carry, B., Delbo', M., Adam, O., Afonina, V., Anquetin, R., Antonini, P., Arnold, L., Lehký, M., Leroy, A., Lesquerbault, B., Lopez-Gonzales, M. J., Lutz, M., Mallecot, B., Manfroid, J., Manzini, F., ... Lecacheux, J. (01 February 2016). New and updated convex shape models of asteroids based on optical data from a large collaboration network. Astronomy and Astrophysics, 586, 24. doi:10.1051/0004-6361/201527441

Manfroid, J. (February 2016). L'astronomie dans le monde - 02/2016. Ciel (Le), 78, p. 98-115.

Manfroid, J. (February 2016). Joyaux cosmiques - 02/2016. Ciel (Le), 78, p. 116-123.

Manfroid, J. (February 2016). Curiosity dans les dunes - 02/2016. Ciel (Le), 78, p. 83-89.

Hubert, B., Opitom, C., Hutsemekers, D., Jehin, E., Munhoven, G., Manfroid, J., Bisikalo, D. V., & Shematovich, V. I. (2016). An inversion method for cometary atmospheres. Icarus, 277, 237-256. doi:10.1016/j.icarus.2016.04.044

Manfroid, J. (2016). TRAPPIST-Nord - 11/2016. Ciel (Le), 78, p. 524-531.

Manfroid, J. (January 2016). New Horizons - 01/2016. Ciel (Le), 78, p. 34-45.

Manfroid, J. (2016). L'astronomie dans le monde - 05/2016. Ciel (Le), 78, p. 287-301.

Manfroid, J. (January 2016). L'astronomie dans le monde - 01/2016. Ciel (Le), 78, p. 9-20.

Manfroid, J. (2016). Joyaux cosmiques - 11/2016. Ciel (Le), 78, p. 564-569.

Manfroid, J. (2016). Joyaux cosmiques - 10/2016. Ciel (Le), 78, p. 475-479.

Manfroid, J. (January 2016). Joyaux cosmiques - 01/2016. Ciel (Le), 78, p. 21-29.

Manfroid, J. (2016). Bibliographie - Nous avons lu pour vous - 09/2016. Ciel (Le), 78, 392-394.

Opitom, C., Guilbert-Lepoutre, A., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., Magain, P., Roberts-Borsani, G., & Witasse, O. (2016). Long-term activity and outburst of comet C/2013 A1 (Siding Spring) from narrow-band photometry and long-slit spectroscopy. Astronomy and Astrophysics, 589, 8, pp. 1-12. doi:10.1051/0004-6361/201527628

Snodgrass, C., Opitom, C., de Val-Borro, M., Jehin, E., Manfroid, J., Lister, T., Marchant, J., Jones, G. H., Fitzsimmons, A., Steele, I. A., Smith, R. J., Jermak, H., Granzer, T., Meech, K. J., Rousselot, P., Levasseur-Regourd, A.-C., & UPMC (Sorbonne Univ.), B. C. (2016). The perihelion activity of comet 67P/Churyumov-Gerasimenko as seen by robotic telescopes. Monthly Notices of the Royal Astronomical Society, 462, 138-S145. doi:10.1093/mnras/stw2300

Manfroid, J. (December 2015). L'astronomie dans le monde - 12/2015. Ciel (Le), 77, p. 556-569.

Manfroid, J. (December 2015). Joyaux cosmiques - 12/2015. Ciel (Le), 77, p. 541-551.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (01 December 2015). TRAPPIST photometry and imaging monitoring of comet C/2013 R1 (Lovejoy): Implications for the origin of daughter species. Astronomy and Astrophysics, 584, 121 , pp. 1-10. doi:10.1051/0004-6361/201526427

Dias-Oliveira, A., Sicardy, B., Lellouch, E., Vieira-Martins, R., Assafin, M., Ignácio Bueno Camargo, J., Braga-Ribas, F., Gomes-Júnior, A., Bendetti-Rossi, G., Colas, F., Decock, A., Doressoundiram, A., Dumas, C., Emílio, M., Fabrega Polleri, J., Gil-Hutton, R., Gillon, M., Girard, J., Hau, G., ... Skottfelt, J. (01 November 2015). Pluto's atmosphere from stellar occultations in 2012 and 2013. Bulletin of the American Astronomical Society, 47, 200.09.

Manfroid, J. (November 2015). L'astronomie dans le monde - 11/2015. Ciel (Le), 77, p. 489-507.

Manfroid, J. (November 2015). Joyaux cosmiques - 11/2015. Ciel (Le), 77, p. 508-519.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (01 November 2015). Five years of comet narrow band photometry and imaging with TRAPPIST. Bulletin of the American Astronomical Society, 47, 506.02.

Shinnaka, Y., Kawakita, H., Jehin, E., Decock, A., Hutsemekers, D., Manfroid, J., & Arai, A. (01 November 2015). Nitrogen Isotopic Ratios in Cometary NH2: Implication for 15N-fractionation in Ammonia. Bulletin of the American Astronomical Society, 47, 415.16.

Manfroid, J. (October 2015). L'astronomie dans le monde - 10/2015. Ciel (Le), 77, p. 434-441.

Manfroid, J. (October 2015). Joyaux cosmiques - 10/2015. Ciel (Le), 77, p. 422-433.

Manfroid, J. (September 2015). L'astronomie dans le monde - 09/2015. Ciel (Le), 77, p. 358-371.

Manfroid, J. (September 2015). Joyaux cosmiques - 09/2015. Ciel (Le), 77, p. 340-349.

Rousselot, P., Decock, A., Korsun, P. P., Jehin, E., Kulyk, I., Manfroid, J., & Hutsemekers, D. (01 August 2015). High-resolution spectra of comet C/2013 R1 (Lovejoy). Astronomy and Astrophysics, 580, 3, pp. 1-5. doi:10.1051/0004-6361/201526173

Manfroid, J. (June 2015). L'astronomie dans le monde - 06/2015. Ciel (Le), 77, p. 274-286.

Manfroid, J. (June 2015). Joyaux cosmiques - 06/2015. Ciel (Le), 77, p. 298-312.

Manfroid, J. (May 2015). L'astronomie dans le monde - 05/2015. Ciel (Le), 77, p. 236-249.

Manfroid, J. (May 2015). Joyaux cosmiques - 05/2015. Ciel (Le), 77, p. 250-259.

Manfroid, J. (April 2015). L'astronomie dans le monde - 04/2015. Ciel (Le), 77, p. 185-198.

Manfroid, J. (April 2015). Joyaux cosmiques - 04/2015. Ciel (Le), 77, p. 178-181.

Burgasser, A. J., Gillon, M., Melis, C., Bowler, B. P., Michelsen, E. L., Bardalez Gagliuffi, D., Gelino, C. R., Jehin, E., Delrez, L., Manfroid, J., & Blake, C. H. (01 March 2015). WISE J072003.20-084651.2: an Old and Active M9.5 + T5 Spectral Binary 6 pc from the Sun. Astronomical Journal, 149, 104. doi:10.1088/0004-6256/149/3/104

Carry, B., Matter, A., Scheirich, P., Pravec, P., Molnar, L., Mottola, S., Carbognani, A., Jehin, E., Marciniak, A., Binzel, R. P., DeMeo, F. E., Birlan, M., Delbo, M., Barbotin, E., Behrend, R., Bonnardeau, M., Colas, F., Farissier, P., Fauvaud, M., ... Vachier, F. (01 March 2015). The small binary asteroid (939) Isberga. Icarus, 248, 516-525. doi:10.1016/j.icarus.2014.11.002

Manfroid, J. (March 2015). L'astronomie dans le monde - 03/2015. Ciel (Le), 77, p. 132-149.

Manfroid, J. (March 2015). Joyaux cosmiques - 03/2015. Ciel (Le), 77, p. 120-127.

Tanga, P., Carry, B., Colas, F., Delbo, M., Hanuš, J., Ali Lagoa, V., Andrei, A. H., Assafin, M., Audejean, M., Behrend, R., Camargo, J. I. B., Carbognani, A., Cedres Reyes, M., Conjat, M., Cornero, N., Coward, D., Crippa, R., de Ferra Fantin, E., Devogele, M., ... Wiggins, P. (2015). The non-convex shape of (234) Barbara, the first Barbarian. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stv229

Manfroid, J. (February 2015). L'astronomie dans le monde - 02/2015. Ciel (Le), 77, p. 89-97.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (01 February 2015). TRAPPIST monitoring of comet C/2012 F6 (Lemmon). Astronomy and Astrophysics, 574, 38, pp. 1-17. doi:10.1051/0004-6361/201424582

Bisikalo, D. V., Shematovich, V. I., Gérard, J.-C., Jehin, E., Decock, A., Hutsemekers, D., Manfroid, J., & Hubert, B. (01 January 2015). Monte Carlo Simulation of Metastable Oxygen Photochemistry in Cometary Atmospheres. Astrophysical Journal, 798, 21, pp. 1-10. doi:10.1088/0004-637X/798/1/21

Decock, A., Jehin, E., Rousselot, P., Hutsemekers, D., Manfroid, J., Raghuram, S., Bhardwaj, A., & Hubert, B. (01 January 2015). Forbidden oxygen lines at various nucleocentric distances in comets. Astronomy and Astrophysics, 573, 1, pp. 1-11. doi:10.1051/0004-6361/201424403

Manfroid, J. (2015). Planètes ? Ciel (Le), 77, p. 570-575.

Manfroid, J. (January 2015). L'astronomie dans le monde - 01/2015. Ciel (Le), 77, p. 18-47.

Manfroid, J. (2015). Joyaux cosmiques - 02/2015. Ciel (Le), 77, p. 60-75.

Manfroid, J. (January 2015). Joyaux cosmiques - 01/2015. Ciel (Le), 77, p. 12-17.

Manfroid, J. (2015). Enfin Pluton ! Ciel (Le), 77, p. 372-379.

Manfroid, J. (2015). Cérès vue par Dawn. Ciel (Le), 77, p. 350-353.

Manfroid, J., & Ponsard, P. (January 2015). Les observateurs - 01/2015. Ciel (Le), 77, p. 7-11.

Scheirich, P., Pravec, P., Jacobson, S. A., Ďurech, J., Kušnirák, P., Hornoch, K., Mottola, S., Mommert, M., Hellmich, S., Pray, D., Polishook, D., Krugly, Y. N., Inasaridze, R. Y., Kvaratskhelia, O. I., Ayvazian, V., Slyusarev, I., Pittichová, J., Jehin, E., Manfroid, J., ... Molotov, I. E. (01 January 2015). The binary near-Earth Asteroid (175706) 1996 FG3 - An observational constraint on its orbital evolution. Icarus, 245, 56-63. doi:10.1016/j.icarus.2014.09.023

Manfroid, J. (December 2014). L'astronomie dans le monde - 12/2014. Ciel (Le), 76, p. 534-551.

Jehin, E., Opitom, C., Manfroid, J., Hutsemekers, D., & Gillon, M. (01 November 2014). The TRAPPIST comet survey in 2014. Bulletin of the American Astronomical Society, 46, 209.21.

Manfroid, J. (November 2014). L'astronomie dans le monde - 11/2014. Ciel (Le), 76, p. 485-507.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., & Gillon, M. (01 November 2014). TRAPPIST monitoring of comet C/2013 A1 (Siding Spring). Bulletin of the American Astronomical Society, 46, 110.07.

Manfroid, J. (October 2014). L'astronomie dans le monde - 10/2014. Ciel (Le), 76, p. 428-441.

Manfroid, J. (September 2014). L'astronomie dans le monde - 09/2014. Ciel (Le), 76, p. 362-381.

Rauw, G., Mahy, L., Nazé, Y., Eenens, P., Manfroid, J., & Flores, C. A. (01 September 2014). Phase resolved X-ray spectroscopy of HDE 228766: Probing the wind of an extreme Of+/WNLha star (Corrigendum). Astronomy and Astrophysics, 569, 1. doi:10.1051/0004-6361/201423885e

de Val-Borro, M., Bockelée-Morvan, D., Jehin, E., Hartogh, P., Opitom, C., Szutowicz, S., Biver, N., Crovisier, J., Lis, D., Rezac, L., de Graauw, T., Hutsemekers, D., Jarchow, C., Kidger, M. R., Küppers, M., Lara, L. M., Manfroid, J., Rengel, M., Swinyard, B. M., ... Waelkens, C. (2014). Distant activity of comet C/2006 W3 (Christensen) as observed with Herschel. In K. Muinonen (Ed.), Asteroids, Comets, Meteors - Book of Abstracts (pp. 566). Helsinki, Finland: University of Helsinki.

Jehin, E., Opitom, C., Manfroid, J., Hutsemekers, D., & Gillon, M. (2014). The TRAPPIST comet survey. In K. Muinonen (Ed.), Asteroids, Comets, Meteors - Book of Abstracts (pp. 261). Helsinki, Finland: University of Helsinki.

Kumar, B., Sharma, S., Manfroid, J., Gosset, E., Rauw, G., Nazé, Y., & Kesh Yadav, R. (01 July 2014). Investigation of the stellar content in the western part of the Carina nebula. Astronomy and Astrophysics, 567, 109 (22. doi:10.1051/0004-6361/201323027

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., & Gillon, M. (2014). TRAPPIST monitoring of comets C/2012 S1 (ISON) and C/2013 R1 (Lovejoy). In K. Muinonen (Ed.), Asteroids, Comets, Meteors - Book of Abstracts (pp. 418). Helsinki, Finland: University of Helsinki.

Rousselot, P., Decock, A., Jehin, E., Manfroid, J., & Hutsemekers, D. (2014). High-resolution spectra of comet C/2013 R1 (Lovejoy). In K. Muinonen (Ed.), Asteroids, Comets, Meteors - Book of Abstracts (pp. 472). Helsinki, Finland: University of Helsinki.

Scheirich, P., Pravec, P., Durech, J., Pollock, J., Kusnirak, P., Hornoch, K., Galad, A., Jehin, E., Manfroid, J., Opitom, C., Gillon, M., Colas, F., Oey, J., Vrastil, J., Reichart, D., Ivarsen, K., Haislip, J., LaCluyze, A., Penttilä, A., ... Kohout, T. (2014). The shape and rotation of the tumbling asteroid (99942) Apophis. In K. Muinonen, Asteroids, Comets, Meteors 2014 (pp. 474). Helsinki, Finland: University Helsinki.

Kawakita, H., Dello Russo, N., Vervack, R., Kobayashi, H., DiSanti, M. A., Opitom, C., Jehin, E., Weaver, H. A., Cochran, A. L., Harris, W. M., Bockelée-Morvan, D., Biver, N., Crovisier, J., McKay, A. J., Manfroid, J., & Gillon, M. (01 June 2014). Extremely Organic-rich Coma of Comet C/2010 G2 (Hill) during its Outburst in 2012. Astrophysical Journal, 788, 110. doi:10.1088/0004-637X/788/2/110

Manfroid, J. (June 2014). L'astronomie dans le monde - 06/2014. Ciel (Le), 76, p. 322-348.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (June 2014). TRAPPIST monitoring of comets C/2012 S1 (Ison) and C/2013 R1 (Lovejoy) [Paper presentation]. Asteroid Comets and Meteors 2014.

Rauw, G., Mahy, L., Nazé, Y., Eenens, P., Manfroid, J., & Flores, C. A. (01 June 2014). Phase resolved X-ray spectroscopy of HDE 228766: Probing the wind of an extreme Of+/WNLha star. Astronomy and Astrophysics, 566, 107. doi:10.1051/0004-6361/201423885

Manfroid, J. (May 2014). Planètes et anneaux. Ciel (Le), 76, p. 262-275.

Manfroid, J. (May 2014). L'astronomie dans le monde - 05/2014. Ciel (Le), 76, p. 250-258.

Rousselot, P., Pirali, O., Jehin, E., Vervloet, M., Hutsemekers, D., Manfroid, J., Cordier, D., Martin-Drumel, M., Gruet, S., Decock, A., Arpigny, C., & Mousis, O. (May 2014). Measurements of the 14N/15N isotopic ratio in comets's ammonia [Paper presentation]. GDR CNRS Spectroscopie Moléculaire, Dijon, France.

Manfroid, J. (April 2014). L'astronomie dans le monde - 04/2014. Ciel (Le), 76, p. 195-227.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (April 2014). TRAPPIST monitoring of comet C/2012 F6 (Lemmon) [Poster presentation]. International Cometary Workshop.

Manfroid, J. (March 2014). Supernovae proches. Ciel (Le), 76, p. 129-146.

Manfroid, J. (March 2014). L'astronomie dans le monde - 03/2014. Ciel (Le), 76, p. 155-172.

Braga-Ribas, F., Sicardy, B., Ortiz, J. L., Snodgrass, C., Roques, F., Vieira-Martins, R., Camargo, J., Assafin, M., Duffard, R., Jehin, E., Pollock, J., Leiva, R., Emilio, M., Machado, D. I., Colazo, C., Lellouch, E., Skottfelt, J., Gillon, M., Ligier, N., ... Lambas, D. G. (2014). A ring system detected around the Centaur (10199) Chariklo. Nature. doi:10.1038/nature13155

de Val-Borro, M., Bockelée-Morvan, D., Jehin, E., Hartogh, P., Opitom, C., Szutowicz, Biver, Crovisier, Lis, Rezac, L., de Graauw, Hutsemekers, D., Jarchow, C., Kidger, Küppers, Lara, L. M., Manfroid, J., Rengel, Swinyard, ... Waelkens. (2014). Herschel observations of gas and dust in comet C/2006 W3 (Christensen) at 5 AU from the Sun. Astronomy and Astrophysics, 564, 124, pp.1-13. doi:10.1051/0004-6361/201423427

Hainaut, O. R., Boehnhardt, H., Snodgrass, C., Meech, K. J., Deller, J., Gillon, M., Jehin, E., Kuehrt,, E., Lowry, S., Manfroid, J., Micheli, M., Mottola, S., Opitom, C., Vincent, J.-B., & Wainscoat, R. (2014). Continued activity in P/2013 P5 PANSTARRS - The comet that should not be. Astronomy and Astrophysics. doi:10.1051/0004-6361/201322864

Manfroid, J. (2014). L'astronomie dans le monde - 02/2014. Ciel (Le), 76, p. 93-115.

Manfroid, J. (January 2014). L'astronomie dans le monde - 01/2014. Ciel (Le), 76, p. 42-56.

Manfroid, J. (January 2014). ISON, la déception. Ciel (Le), 76, p. 13-29.

Manfroid, J. (January 2014). Book review : Meeting Venus. Ciel (Le), 76, p. 8-9.

Pravec, P., Scheirich, P., Ďurech, J., Pollock, J., Kušnirák, P., Hornoch, K., Galád, A., Vokrouhlický, D., Harris, A. W., Jehin, E., Manfroid, J., Opitom, C., Gillon, M., Colas, F., Oey, J., Vraštil, J., Reichart, D., Ivarsen, K., Haislip, J., & LaCluyze, A. (2014). The tumbling spin state of (99942) Apophis. Icarus, 233, 48-60. doi:10.1016/j.icarus.2014.01.026

Rousselot, P., Pirali, O., Jehin, E., Vervloet, M., Hutsemekers, D., Manfroid, J., Cordier, D., Martin-Drumel, M.-A., Gruet, S., Arpigny, C., Decock, A., & Mousis, O. (01 January 2014). Toward a Unique Nitrogen Isotopic Ratio in Cometary Ices. Astrophysical Journal. Letters, 780, 17, pp. 1-5. doi:10.1088/2041-8205/780/2/L17

Hubert, B., Bisikalo, D. V., Shematovich, V. I., Gérard, J.-C., Decock, A., Manfroid, J., Hutsemekers, D., & Jehin, E. (December 2013). Nonthermal O(1S) and O(1D) populations in cometary atmospheres [Paper presentation]. AGU Fall Meeting.

Manfroid, J. (December 2013). L'astronomie dans le monde - 12. Ciel (Le), 75, p. 465-491.

Crovisier, J., Colom, P., Biver, N., Bockelee-Morvan, D., Agundez, M., Santos-Sanz, P., Opitom, C., Jehin, E., Manfroid, J., Gillon, M., Gonzalez, J. J., Karhula, T., Granslo, B. H., Green, D. W. E., & Souza, W. (01 November 2013). Comet C/2012 S1 (Ison). Central Bureau Electronic Telegrams, 3711, 1.

Lisse, C. M., Wolk, S. J., Christian, D. J., Dennerl, K., Bodewits, D., Combi, M. R., Lepri, S. T., Zurbuchen, T. H., Geophys, J., Opitom, C., Jehin, E., Manfroid, J., Gillon, M., Souza, W., Baroni, S., Granslo, B. H., Cernis, K., Paradowski, M. L., Chambo, J. J., ... Bortle, J. E. (01 November 2013). Comet C/2012 S1 (Ison). Central Bureau Electronic Telegrams, 3719, 1.

Opitom, C., Jehin, E., Manfroid, J., Gillon, M., Coulson, I. M., Milam, S. M., Villanueva, G. L., Charnley, S. B., Disanti, M. A., Mumma, M. J., Kuan, Y.-J., & Remijan, A. J. (01 November 2013). Comet C/2012 S1 (Ison). Central Bureau Electronic Telegrams, 3693, 1.

Decock, A., Rousselot, P., Jehin, E., Hutsemekers, D., Manfroid, J., Bhardwaj, A., & Raghuram, S. (01 October 2013). Study of the Forbidden Oxygen Lines in Comets at Different Heliocentric and Nucleocentric Distances. Bulletin of the American Astronomical Society, 45, 502.08.

Manfroid, J. (October 2013). L'astronomie dans le monde - 10. Ciel (Le), 75, p. 380-395.

Manfroid, J. (October 2013). ISON (C/2012 S1). Ciel (Le), 75, p. 360-369.

Opitom, C., Bockelée-Morvan, D., Hutsemekers, D., Jehin, E., Manfroid, J., Vandenbussche, B., Biver, N., Crovisier, J., de Graauw, T., de Val-Borro, M., Hartogh, P., Kidger, M., Mueller, T., Szutowicz, S., Vilenius, E., & Waelkens, C. (October 2013). Comet dust profiles from PACS images obtained in the framework of the HSSO project [Poster presentation]. The Universe explored by Herschel, Noordwijk, Netherlands.

Rousselot, P., Pirali, O., Jehin, E., Vervloet, M., Hutsemekers, D., Manfroid, J., Cordier, D., Martin, M. A., Gruet, S., & Decock, A. (01 October 2013). A Search For 15NH2 Emission Lines In Comets. Bulletin of the American Astronomical Society, 45, 505.06.

Jehin, E., Gillon, M., Opitom, C., Manfroid, J., Hutsemekers, D., Delrez, L., & Magain, P. (13 September 2013). TRAPPIST (TRAnsiting Planets and PlanetesImals Small Telescope). EPSC Abstracts, 8, 968, pp. 1-2.

Decock, A., Jehin, E., Rousselot, P., Hutsemekers, D., & Manfroid, J. (12 September 2013). Study of the forbidden oxygen lines in comets at different heliocentric and nucleocentric distances. EPSC Abstracts, 8, 925, pp. 1-2.

Opitom, C., Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (12 September 2013). TRAPPIST monitoring of comet C/2012 F6 (Lemmon). EPSC Abstracts, 8, 764, PP. 1-2.

Lis, D. C., Biver, N., Bockelée-Morvan, D., Hartogh, P., Bergin, E. A., Blake, G. A., Crovisier, J., de Val-Borro, M., Jehin, E., Küppers, M., Manfroid, J., Moreno, R., Rengel, M., & Szutowicz, S. (01 September 2013). A Herschel Study of D/H in Water in the Jupiter-family Comet 45P/Honda-Mrkos-Pajdušáková and Prospects for D/H Measurements with CCAT. Astrophysical Journal. Letters, 774, 3. doi:10.1088/2041-8205/774/1/L3

Manfroid, J. (September 2013). L'astronomie dans le monde - 09. Ciel (Le), 75, p. 322-346.

Opitom, C., Jehin, E., Manfroid, J., & Gillon, M. (01 September 2013). Comets C/2012 V2 (LINEAR) and C/2013 R1 (Lovejoy). Central Bureau Electronic Telegrams, 3659, 1.

Ponsard, P., Manfroid, J., & Lempereur, B. (September 2013). Les observateurs. Ciel (Le), 75, p. 319-321.

Braga-Ribas, F., Sicardy, B., Ortiz, J. L., Lellouch, E., Tancredi, G., Lecacheux, J., Vieira-Martins, R., Camargo, J. I. B., Assafin, M., Behrend, R., Vachier, F., Colas, F., Morales, N., Maury, A., Emilio, M., Amorim, A., Unda-Sanzana, E., Roland, S., Bruzzone, S., ... Lacluyze, A. (01 August 2013). The Size, Shape, Albedo, Density, and Atmospheric Limit of Transneptunian Object (50000) Quaoar from Multi-chord Stellar Occultations. Astrophysical Journal, 773, 26. doi:10.1088/0004-637X/773/1/26

Decock, A., Jehin, E., Hutsemekers, D., & Manfroid, J. (01 July 2013). Forbidden oxygen lines in comets at various heliocentric distances. Astronomy and Astrophysics, 555, 34. doi:10.1051/0004-6361/201220414

Manfroid, J. (June 2013). L'astronomie dans le monde - 06. Ciel (Le), 75, p. 260-272.

Manfroid, J. (May 2013). L'astronomie dans le monde - 05. Ciel (Le), 75, p. 204-216.

Opitom, C., Jehin, E., Manfroid, J., & Gillon, M. (01 May 2013). Comets C/2012 F6 (Lemmon), C/2013 E2 (Iwamoto), and 63P/Wild. Central Bureau Electronic Telegrams, 3530, 1.

Manfroid, J. (April 2013). L'astronomie dans le monde - 04. Ciel (Le), 75, p. 148-160.

Manfroid, J. (2013). L'astronomie dans le monde - 03. Ciel (Le), p. 55-58.

Opitom, C., Jehin, E., Manfroid, J., & Gillon, M. (01 March 2013). Comets C/2012 F6 (Lemmon) and C/2011 L4 (Panstarrs). Central Bureau Electronic Telegrams, 3433, 1.

Manfroid, J. (February 2013). L’origine du télescope (II). Ciel (Le), 75, p. 66-82.

Manfroid, J. (February 2013). L'astronomie dans le monde - 02. Ciel (Le), 75, p. 55-58.

Manfroid, J. (January 2013). Les miroirs ardents. Ciel (Le), 75, p. 33-35.

Manfroid, J. (January 2013). L’origine du télescope (I). Ciel (Le), 75, p. 22-32.

Manfroid, J. (January 2013). L'astronomie dans le monde - 01. Ciel (Le), 75, p. 12-13.

Manfroid, J. (January 2013). Book review: Les mots du ciel (D. Kunth). Ciel (Le), 75, p. 50.

Manfroid, J. (December 2012). Les observateurs. Ciel (Le), 74, p. 376.

Manfroid, J. (December 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 396-399.

Manfroid, J. (December 2012). Il y a 40 ans, une comète liégeoise. Ciel (Le), 74, p. 384-395.

Manfroid, J. (November 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 348-355.

Ortiz, J. L., Sicardy, B., Braga-Ribas, F., Alvarez-Candal, A., Lellouch, E., Duffard, R., Pinilla-Alonso, N., Ivanov, V. D., Littlefair, S. P., Camargo, J. I. B., Assafin, M., Unda-Sanzana, E., Jehin, E., Morales, N., Tancredi, G., Gil-Hutton, R., de La Cueva, I., Colque, J. P., da Silva Neto, D. N., ... Emilio, M. (01 November 2012). Albedo and atmospheric constraints of dwarf planet Makemake from a stellar occultation. Nature, 491, 566-569. doi:10.1038/nature11597

Manfroid, J. (October 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 307-315.

Sicardy, B., Braga-Ribas, F., Widemann, T., Jehin, E., Gillon, M., Manfroid, J., Ortiz, J. L., Morales, N., Maury, A., Assafin, M., Camargo, J. I. B., Vieira Martins, R., Dias Oliveira, A., Ramos Gomes, A., Vanzi, L., Leiva, R., Young, L. A., Buie, M. W., Olkin, C. B., ... Go, C. (2012). Charon's Size And Orbit From Double Stellar Occultations. In AAS/Division for Planetary Sciences Meeting Abstracts.

Manfroid, J. (September 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 270-283.

Manfroid, J. (September 2012). A-t-on trouvé le boson de Higgs ? Ciel (Le), 74, p. 266-269.

Rousselot, P., Jehin, E., Manfroid, J., & Hutsemekers, D. (01 September 2012). The 12C2/12C13C isotopic ratio in comets C/2001 Q4 (NEAT) and C/2002 T7 (LINEAR). Astronomy and Astrophysics, 545, 24, pp. 1-7. doi:10.1051/0004-6361/201219265

Manfroid, J. (June 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 231-237.

Manfroid, J. (May 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 182-189.

Scheirich, P., Pravec, P., Mottola, S., Mommert, M., Hornoch, K., Kušnirák, P., Pittichová, J., Jacobson, S. A., Pray, D., Polishook, D., Krugly, Y. N., Slyusarev, I., Pollock, J., Jehin, E., Manfroid, J., Gillon, M., Galád, A., Licandro, J., Alí-Lagoa, V., ... Molotov, I. E. (2012). Zero Drift in Mean Anomaly of the Satellite of 1996 FG3 and its Implication for the BYORP Theory. In Asteroids, Comets, Meteors 2012, Proceedings of the conference (pp. 6123).

Manfroid, J. (April 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 147-159.

Manfroid, J. (February 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 67-79.

Carry, B., Vernazza, P., Dumas, C., Merline, W. J., Mousis, O., Rousselot, P., Jehin, E., Manfroid, J., Fulchignoni, M., & Zucconi, J.-M. (01 January 2012). The remarkable surface homogeneity of the Dawn mission target (1) Ceres. Icarus, 217, 20-26. doi:10.1016/j.icarus.2011.10.015

Decock, A., Jehin, E., Manfroid, J., & Hutsemekers, D. (2012). Study of the forbidden oxygen lines in a sample of cometary spectra obtained at the VLT (ESO) [Poster presentation]. Observing Planetary Systems II, Santiago, Chile.

Manfroid, J. (January 2012). L'astronomie dans le monde. Ciel (Le), 74, p. 27-33.

Rousselot, P., Pirali, O., Jehin, E., Vervloet, M., Hutsemekers, D., Manfroid, J., Martin-Drumel, M., Gruet, S., & Lobanova, M. (2012). A Search For 15NH2 Lines In Comet C/2002 T7 (LINEAR). Bulletin of the American Astronomical Society, 44, 314.14.

Weiler, M., Bockelée-Morvan, D., Hutsemekers, D., Jehin, E., Manfroid, J., Muinonen, K., Oszkiewicz, D. A., Schulz, R., & Stuewe, J. (2012). The C2-hydrocarbon link in cometary comae. EPSC Abstracts, 492, pp. 1-2.

Manfroid, J. (01 December 2011). L'astronomie dans le monde. Ciel (Le), 73, 394-402.

Manfroid, J. (01 November 2011). L'astronomie dans le monde. Ciel (Le), 73, 352-360.

Braga-Ribas, F., Sicardy, B., Ortiz, J. L., Jehin, E., Camargo, J. I. B., Assafin, M., Behrend, R., Unda-Sanzana, E., Colque, J. P., Morales, N., Tancredi, G., RAMI, S., Bruzzone, S., Salvo, R., Almenares, L., Emilio, M., Schoenell, W., Gil-Hutton, R., Milone, A., ... Rodrigues, C. V. (2011). Stellar Occultations by TNOs: the January 08, 2011 by (208996) 2003 AZ84 and the May 04, 2011 by (50000) Quaoar. EPSC Abstracts, 1060.

Manfroid, J. (01 October 2011). L'astronomie dans le monde. Ciel (Le), 73, 312-323.

Ortiz, J. L., Sicardy, B., Assafin, M., Alvarez-Candal, A., Ivanov, V. D., Camargo, J., Littlefair, S., Unda-Sanzana, E., Jehin, E., Braga-Ribas, F., Lellouch, E., Morales, N., Licandro, J., Gil-Hutton, R., Duffard, R., Colque, J. P., Tancredi, G., Manfroid, J., Thirouin, A., ... Hestroffer, D. (2011). The stellar occultation by Makemake on 2011 April 23. EPSC Abstracts, 704.

Rousselot, P., Jehin, E., Manfroid, J., Mousis, O., Dumas, C., Carry, B., Marboeuf, U., & Zucconi, J.-M. (01 October 2011). A Search for Water Vaporization on Ceres. Astronomical Journal, 142, 125. doi:10.1088/0004-6256/142/4/125

Sicardy, B., Ortiz, J. L., Assafin, M., Jehin, E., Maury, A., Lellouch, E., Gil-Hutton, R., Braga-Ribas, F., Colas, F., Lecacheux, J., Roques, F., Santos-Sanz, P., Morales, N., Thirouin, A., Camargo, J. I. B., Vieira-Martins, R., Gillon, M., Manfroid, J., Behrend, R., & Widemann, T. (2011). Size, density, albedo and atmosphere limit of dwarf planet Eris from a stellar occultation. EPSC Abstracts, 137.

Sicardy, B., Ortiz, J. L., Assafin, M., Jehin, E., Maury, A., Lellouch, E., Hutton, R. G., Braga-Ribas, F., Colas, F., Hestroffer, D., Lecacheux, J., Roques, F., Santos-Sanz, P., Widemann, T., Morales, N., Duffard, R., Thirouin, A., Castro-Tirado, A. J., Jelínek, M., ... Hernández-Toledo, H. (01 October 2011). A Pluto-like radius and a high albedo for the dwarf planet Eris from an occultation. Nature, 478, 493-496. doi:10.1038/nature10550

Jehin, E., Gillon, M., Queloz, D., Magain, P., Manfroid, J., Chantry, V., Lendl, M., Hutsemekers, D., & Udry, S. (01 September 2011). TRAPPIST: TRAnsiting Planets and PlanetesImals Small Telescope. Messenger, 145, 2-6.

Manfroid, J. (01 September 2011). L'astronomie dans le monde. Ciel (Le), 73, 279-283.

Manfroid, J. (01 June 2011). L'astronomie dans le monde. Ciel (Le), 73, 226-237.

Meech, K. J., A'Hearn, M. F., Adams, J. A., Bacci, P., Bai, J., Barrera, L., Battelino, M., Bauer, J. M., Becklin, E., Bhatt, B., Biver, N., Bockelée-Morvan, D., Bodewits, D., Böhnhardt, H., Boissier, J., Bonev, B. P., Borghini, W., Brucato, J. R., Bryssinck, E., ... Ziffer, J. E. (01 June 2011). EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign. Astrophysical Journal, 734 (Letters), 1, pp. 1-9. doi:10.1088/2041-8205/734/1/L1

Manfroid, J. (01 May 2011). L'astronomie dans le monde. Ciel (Le), 73, 189-196.

Manfroid, J. (01 April 2011). Rencontres cométaires. Ciel (Le), 73, 144-152.

Manfroid, J. (01 April 2011). L'astronomie dans le monde. Ciel (Le), 73, 153-157.

Braga-Ribas, F., Sicardy, B., Colas, F., Lecacheux, J., Maury, A., Ortiz, J. L., Morales, N., Van Den Hove, I., Jehin, E., Manfroid, J., Gillon, M., Assafin, M., Vieira-Martins, R., Camargo, J. I. B., & Harlinten, C. (01 March 2011). Stellar Occultation by Transneptunian Object (208996) 2003 AZ84. Central Bureau Electronic Telegrams, 2675, 1.

Manfroid, J. (01 March 2011). L'astronomie dans le monde. Ciel (Le), 73, 104-109.

Shinnaka, Y., Kawakita, H., Kobayashi, H., Jehin, E., Manfroid, J., Hutsemekers, D., & Arpigny, C. (01 March 2011). Ortho-to-para Abundance Ratio (OPR) of Ammonia in 15 Comets: OPRs of Ammonia Versus 14N/15N Ratios in CN. Astrophysical Journal, 729, 81, pp. 1-15. doi:10.1088/0004-637X/729/2/81

Gillon, M., Jehin, E., Magain, P., Chantry, V., Hutsemekers, D., Manfroid, J., Queloz, D., & Udry, S. (01 February 2011). TRAPPIST: a robotic telescope dedicated to the study of planetary systems. EPJ Web of Conferences, 11, 06002. doi:10.1051/epjconf/20101106002

Manfroid, J. (01 February 2011). L’éclipse partielle du 4 janvier. Ciel (Le), 73, 74-79.

Manfroid, J. (01 February 2011). L'astronomie dans le monde. Ciel (Le), 73, 62-70.

Bockelee-Morvan, D., Swinyard, B., Vandenbussche, B., Hartogh, P., Jehin, E., Hutsemekers, D., Manfroid, J., Biver, N., de Val-Borro, M., Crovisier, J., Küppers, M., Lis, D. C., Rengel, M., & Szutowicz, S. (2011). Herschel PACS and SPIRE Observations of comet 103P/Hartley 2. EPSC Abstracts, 231, pp. 1-2.

Crovisier, J., Bockelée-Morvan, D., Biver, N., Hartogh, P., Hutsemekers, D., Jehin, E., Küppers, M., Lis, D. C., Manfroid, J., Rengel, M., Swinyard, B., Szutowicz, S., de Val-Borro, M., & Vandenbussche, B. (2011). Observations of the rotational lines of OH in comets with the Herschel Space Observatory. EPSC Abstracts, 436, pp. 1-2.

Decock, A., Jehin, E., Manfroid, J., & Hutsemekers, D. (2011). Study of the forbidden oxygen lines in a dozen comets observed at the VLT (ESO). EPSC Abstracts, 1126, pp. 1-2.

Jehin, E., Hutsemekers, D., Manfroid, J., Decock, A., Weiler, M., Kawakita, H., Shinnaka, Y., Hashimoto, M., Bockelée-Morvan, D., Biver, N., Crovisier, J., & Hartogh, P. (2011). A Multi-wavelength study with the ESO VLT of comet 103P/Hartley2 at the time of the EPOXI encounter. EPSC Abstracts, 1463, pp. 1-2.

Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (2011). Long term photometric monitoring of comet 103P/Hartley2 with the new robotic TRAPPIST telescope. EPSC Abstracts, 1489, pp. 1-2.

Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (01 January 2011). (596) Scheila. Central Bureau Electronic Telegrams (CBETs), 2632, 2.

Kumar, B., Manfroid, J., Gosset, E., Rauw, G., & Samal, M. R. (01 January 2011). A photometric study of the Carina nebula region around WR 22. Bulletin de la Société Royale des Sciences de Liège, 80, 386-390.

Manfroid, J. (01 January 2011). La dictature de l'horizon. Ciel (Le), 73, 14-16.

Manfroid, J. (01 January 2011). L'astronomie dans le monde. Ciel (Le), 73, 22-32.

Manfroid, J. (January 2011). Astronomie dans le monde. Ciel (Le), 73.

Rousselot, P., Jehin, E., Manfroid, J., & Hutsemekers, D. (2011). 12C2/12C13C isotopic ratio in comets C/2001 Q4(NEAT) and C/2002 T7 (LINEAR). EPSC Abstracts, 602, pp. 1-2.

Jehin, E., Manfroid, J., Hutsemekers, D., Gillon, M., & Magain, P. (01 December 2010). Comet 103P/Hartley. Central Bureau Electronic Telegrams (CBETs), 2589, 1.

Manfroid, J. (December 2010). EPOXI et la comète Hartley 2. Ciel (Le), 72, p. 394-399.

Jehin, E., Manfroid, J., Gillon, M., Hutsemekers, D., & Magain, P. (01 November 2010). Occultation by (136199) Eris. International Astronomical Union Circulars, 9184, 2.

Bockelee-Morvan, D., Biver, N., Crovisier, J., de Val-Borro, M., Fulton, T., Hartogh, P., Hutsemekers, D., Jarchow, C., Jehin, E., Kidger, M., Kueppers, M., Lellouch, E., Lis, D., Manfroid, J., Moreno, R., Rengel, M., Swinyard, B. C., Szutowicz, S., Vandenbussche, B., & HssO, T. (01 October 2010). Comet 29P/Schwassmann-Wachmann Observed with the Herschel Space Observatory: Detection of Water Vapour and Dust Far-IR Thermal Emission. Bulletin of the American Astronomical Society, 42, 946.

de Val-Borro, M., Hartogh, P., Crovisier, J., Bockelée-Morvan, D., Biver, N., Lis, D. C., Moreno, R., Jarchow, C., Rengel, M., Szutowicz, S., Banaszkiewicz, M., Bensch, F., Błęcka, M. I., Emprechtinger, M., Encrenaz, T., Jehin, E., Küppers, M., Lara, L.-M., Lellouch, E., ... Shipman, R. (01 October 2010). Water production in comet 81P/Wild 2 as determined by Herschel/HIFI. Astronomy and Astrophysics, 521 (Letters), 50, pp. 1-5. doi:10.1051/0004-6361/201015161

Pasachoff, J. M., Elliot, J. L., Souza, S. P., Person, M. J., Zuluaga, C., Bosh, A. S., Zangari, A. M., Jensen-Clem, R., Lockhart, M., Gulbis, A. A. S., Rojo, P., Lu, M., Malamut, C., Levine, S. E., Ivarsen, K. M., Reichart, D. E., LaCluyze, A. P., Nysewander, M. C., Haislip, J. B., ... Queloz, D. (01 October 2010). The 3/4 July 2010 Pluto Stellar-Occultation Observations. Bulletin of the American Astronomical Society, 42, 983.

Shinnaka, Y., Kawakita, H., Kobayashi, H., Jehin, E., Manfroid, J., Hutsemekers, D., & Arpigny, C. (01 October 2010). OPRs of Ammonia versus 14N/15N Ratios in CN in 15 Comets. Bulletin of the American Astronomical Society, 42, 961.

Manfroid, J. (September 2010). La chasse aux planètes - Kepler entre en scène. Ciel (Le), 72, p. 282-286.

Bockelée-Morvan, D., Hartogh, P., Crovisier, J., Vandenbussche, B., Swinyard, B. M., Biver, N., Lis, D. C., Jarchow, C., Moreno, R., Hutsemekers, D., Jehin, E., Küppers, M., Lara, L. M., Lellouch, E., Manfroid, J., de Val-Borro, M., Szutowicz, S., Banaszkiewicz, M., Bensch, F., ... Thomas, N. (01 July 2010). A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes. Astronomy and Astrophysics, 518 (Letters), 149, pp. 1-6. doi:10.1051/0004-6361/201014655

Hartogh, P., Crovisier, J., de Val-Borro, M., Bockelée-Morvan, D., Biver, N., Lis, D. C., Moreno, R., Jarchow, C., Rengel, M., Emprechtinger, M., Szutowicz, S., Banaszkiewicz, M., Bensch, F., Blecka, M. I., Cavalié, T., Encrenaz, T., Jehin, E., Küppers, M., Lara, L.-M., ... Benz, A. O. (01 July 2010). HIFI observations of water in the atmosphere of comet C/2008 Q3 (Garradd). Astronomy and Astrophysics, 518 (Letters), 150, pp. 1-5. doi:10.1051/0004-6361/201014665

Manfroid, J. (June 2010). Le télescope de Cointe. Ciel (Le), 72, p. 250-254.

Manfroid, J. (2010). Bibliographie : Six mois autour de la Terre avec Franck De Winne.

Manfroid, J. (2010). Bibliographie : Des quasars aux trous noirs , S. Collin-Zahn.

Rauw, G., Manfroid, J., & De Becker, M. (01 February 2010). A photometric and spectroscopic investigation of star formation in the very young open cluster NGC 6383. Astronomy and Astrophysics, 511, 25. doi:10.1051/0004-6361/200912780

Bockelée-Morvan, D., Hartogh, P., Crovisier, J., Vandenbussche, B., Swinyard, B., Biver, N., Lis, D. C., Jarchow, C., Moreno, R., de Val-Borro, M., Jehin, E., Lellouch, E., Szutowicz, S., Banaszkiewicz, M., Bensch, F., Blecka, M., Emprechtinger, M., Encrenaz, T., Fulton, T., ... Thomas, N. (2010). A study of the distant activity of comet C/2006 W3 (Christensen) using Herschel and ground-based radio telescopes [Poster presentation]. ESLAB 2010: Herschel First Results, ESTEC, Noordwijk, Netherlands.

Hartogh, P., Crovisier, J., Lellouch, E., Bockelée-Morvan, D., Swinyard, B., Jarchow, C., Moreno, R., Biver, N., Blecka, M., Cavalié, T., de Val-Borro, M., Emprechtinger, M., Feuchtgruber, H., Fulton, T., Jehin, E., Lis, D. C., Orton, G., Rengel, M., Sagawa, H., ... Walker, H. (2010). First results of the HssO key programme. In 38th COSPAR Scientific Assembly (pp. 2469).

Kobayashi, H., Bockelée-Morvan, D., Kawakita, H., Dello Russo, N., Jehin, E., Manfroid, J., Smette, A., Hutsemekers, D., Stüwe, J., Weiler, M., Arpigny, C., Biver, N., Cochran, A., Crovisier, J., Magain, P., Sana, H., Schulz, R., Vervack, R. J., Weaver, H., & Zucconi, J.-M. (01 January 2010). High-dispersion infrared spectroscopic observations of comet 8P/Tuttle with VLT/CRIRES. Astronomy and Astrophysics, 509, 80, pp. 1-9. doi:10.1051/0004-6361/200912477

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 70-87.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 203-215.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 287-293.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 363-375.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 414-419.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 166-174.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 255-257.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 116-130.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72 (1), p. 28-39.

Manfroid, J. (2010). L'astronomie dans le monde. Ciel (Le), 72, p. 322-325.

Manfroid, J. (December 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 401-408.

Hartogh, P., Lellouch, E., Crovisier, J., Banaszkiewicz, M., Bensch, F., Bergin, E. A., Billebaud, F., Biver, N., Blake, G. A., Blecka, M. I., Blommaert, J., Bockelée-Morvan, D., Cavalié, T., Cernicharo, J., Courtin, R., Davis, G., Decin, L., Encrenaz, P., Encrenaz, T., ... Walker, H. (01 November 2009). Water and related chemistry in the solar system. A guaranteed time key programme for Herschel. Planetary and Space Science, 57, 1596-1606. doi:10.1016/j.pss.2009.07.009

Hutsemekers, D., Manfroid, J., Jehin, E., & Arpigny, C. (01 November 2009). New constraints on the delivery of cometary water and nitrogen to Earth from the 15N/14N isotopic ratio. Icarus, 204, 346-348. doi:10.1016/j.icarus.2009.06.021

Manfroid, J. (November 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 363-373.

Manfroid, J. (October 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 315-325.

Jehin, E., Manfroid, J., Hutsemekers, D., Arpigny, C., & Zucconi, J.-M. (01 September 2009). Isotopic Ratios in Comets: Status and Perspectives. Earth, Moon, and Planets, 105, 167-180. doi:10.1007/s11038-009-9322-y

Manfroid, J. (September 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 270-280.

Shinnaka, Y., Jehin, E., Manfroid, J., Hutsemekers, D., Arpigny, C., Kanda, Y., Kobayashi, H., & Kawakita, H. (01 September 2009). Revisit to Nuclear Spin Temperature of Ammonia in Comets. Bulletin of the American Astronomical Society, 41, 15.12.

Manfroid, J., Jehin, E., Hutsemekers, D., Cochran, A., Zucconi, J.-M., Arpigny, C., Schulz, R., Stuewe, & Ilyin, I. (01 August 2009). The CN isotopic ratios in comets. Astronomy and Astrophysics, 503, 613-624. doi:10.1051/0004-6361/200911859

Manfroid, J. (June 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 222-234.

Jehin, E., Bockelée-Morvan, D., Dello Russo, N., Manfroid, J., Hutsemekers, D., Kawakita, H., Kobayashi, H., Schulz, R., Smette, A., Stüwe, J., Weiler, M., Arpigny, C., Biver, N., Cochran, A., Crovisier, J., Magain, P., Rauer, H., Sana, H., Vervack, R. J., ... Zucconi, J.-M. (01 May 2009). A Multi-Wavelength Simultaneous Study of the Composition of the Halley Family Comet 8P/Tuttle. Earth, Moon, and Planets, 105, 343-349. doi:10.1007/s11038-009-9317-8

Manfroid, J. (May 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 183-190.

Renson, P., & Manfroid, J. (01 May 2009). Catalogue of Ap, HgMn and Am stars. Astronomy and Astrophysics, 498, 961-966. doi:10.1051/0004-6361/200810788

Manfroid, J. (April 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 136-150.

Renson, P., & Manfroid, J. (2009). General Catalogue of Ap and Am stars (Renson+ 2009).

Manfroid, J. (March 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 84-86.

Linder, N., Rauw, G., Manfroid, J., Damerdji, Y., De Becker, M., Eenens, P., Royer, P., & Vreux, J.-M. (February 2009). A multiwavelength investigation of the massive eclipsing binary Cyg OB2 #5. Astronomy and Astrophysics, 495, 231-241. doi:10.1051/0004-6361:200810974

Manfroid, J. (February 2009). La comète C/2007 N3 (Lulin). Ciel (Le), 71, p. 47.

Manfroid, J. (February 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 63-65.

Boehnhardt, H., Ageorges, N., Bagnulo, S., Barrera, L., Bonev, T., Hainaut, O., Jehin, E., Käufl, H. U., Kerber, F., Locurto, G., Manfroid, J., Marco, O., Pantin, E., Pompei, E., Rauer, H., Saviane, I., Selman, F., Sterken, C., Tozzi, G. P., ... Sterken, C. (2009). The Dusty View of DI from ESO Chile. In H. U. Käufk & C. Sterken (Eds.), Deep Impact as a World Observatory Event: Synergies in Space, Time, and Wavelength (pp. 147). Heidelberg, Germany: Springer-Verlag. doi:10.1007/978-3-540-76959-0_19

Bonev, T., Ageorges, N., Bagnulo, S., Barrera, L., Böhnhardt, H., Hainaut, O., Jehin, E., Käufl, H. U., Kerber, F., Locurto, G., Manfroid, J., Marco, O., Pantin, E., Pompei, E., Saviane, I., Selman, F., Sterken, C., Rauer, H., Tozzi, G. P., ... Sterken, C. (2009). Dynamical Modeling of the Deep Impact Dust Ejecta Cloud. In H. U. Käufl & C. Sterken (Eds.), Deep Impact as a World Observatory Event: Synergies in Space, Time, and Wavelength (pp. 177). Heidelberg, Germany: Springer-Verlag. doi:10.1007/978-3-540-76959-0_22

Hartogh, P., Crovisier, J., Lellouch, E., Banaszkiewicz, M., Bensch, F., Bergin, E. A., Billebaud, F., Biver, N., Blake, G. A., Blommaert, J., Bockelée-Morvan, D., Cavalié, T., Cernicharo, J., Courtin, R., Davis, G., Decin, L., Encrenaz, P., Encrenaz, T., de Graauw, T., ... Walker, H. (2009). Water and related chemistry in the Solar System. A Guaranteed Time Key Programme for Herschel. EPSC Abstracts, 579.

Manfroid, J. (January 2009). L'astronomie dans le monde. Ciel (Le), 71, p. 25-29.

Weiler, M., Rauer, H., Sterken, C., Knollenberg, J., Jehin, E., Pompei, E., Hainaut, O., Tozzi, G. P., Manfroid, J., & Sterken, C. (2009). ESO Spectrophotometry of Comet 9P/Tempel 1. In H. U. Käufl & C. Sterken (Eds.), Deep Impact as a World Observatory Event: Synergies in Space, Time, and Wavelength (pp. 271). Heidelberg, Germany: Springer-Verlag. doi:10.1007/978-3-540-76959-0_36

Manfroid, J. (December 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 405-416.

Hutsemekers, D., Manfroid, J., Jehin, E., Zucconi, J.-M., & Arpigny, C. (01 November 2008). The 16OH/18OH and OD/OH isotope ratios in comet C/2002 T7 (LINEAR). Astronomy and Astrophysics, 490 (Letters), 31-34. doi:10.1051/0004-6361:200810833

Manfroid, J. (01 November 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 360-377.

Schulz, R., Jehin, E., Manfroid, J., Hutsemekers, D., Arpigny, C., Cochran, A., Zucconi, J.-M., & Stuwe. (01 November 2008). Isotopic abundance in the CN coma of comets: Ten years of measurements. Planetary and Space Science, 56, 1713-1718. doi:10.1016/j.pss.2008.08.001

Manfroid, J. (01 October 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 318-336.

Kobayashi, H., Bockelee-Morvan, D., Dello Russo, N., Kawakita, H., Verback, R. J., Weaver, H., Jehin, E., Manfroid, J., Smette, A., Cochran, A., Hutsemekers, D., Schulz, R., Stuwe, J., Weiler, M., Zucconi, J.-M., Arpigny, C., Biver, N., Crovisier, J., Magain, P., ... Sana, H. (01 September 2008). High-dispersion Spectroscopic Observations Of 8P/Tuttle With VLT/CRIRES. Bulletin of the American Astronomical Society, 40, 05.04.

Manfroid, J. (01 September 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 276-295.

Manfroid, J. (01 June 2008). L'astronomie dans le monde. Ciel (Le), 70, 231-247.

Bockelée-Morvan, D., Biver, N., Jehin, E., Cochran, A. L., Wiesemeyer, H., Manfroid, J., Hutsemekers, D., Arpigny, C., Boissier, J., Cochran, W., Colom, P., Crovisier, J., Milutinovic, N., Moreno, R., Prochaska, J. X., Ramirez, I., Schulz, R., & Zucconi, J.-M. (01 May 2008). Large Excess of Heavy Nitrogen in Both Hydrogen Cyanide and Cyanogen from Comet 17P/Holmes. Astrophysical Journal, 679 (Letters), 49-52. doi:10.1086/588781

Manfroid, J. (01 May 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 186-204.

Manfroid, J. (01 April 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 137-156.

Manfroid, J. (01 March 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 92-110.

Manfroid, J. (01 February 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 58-68.

Bockelée-Morvan, D., Dello Russo, N., Jehin, E., Manfroid, J., Smette, A., Cochran, A., Hutsemekers, D., Kawakita, H., Kobayashi, H., Schulz, R., Weiler, M., Zucconi, J. M., Arpigny, C., Biver, N., Crovisier, J., Magain, P., Rauer, H., Sana, H., Vervack, R. J., & Weaver, H. (2008). A Multi-Wavelength Simultaneous Study of the Composition of the Halley-Family Comet 8P/Tuttle at the VLT. In LPI contribution 1405 (pp. 8190).

Cochran, A. L., Jehin, E., Manfroid, J., Hutsemekers, D., Arpigny, C., Zucconi, J.-M., & Schulz, R. (2008). Nitrogen Isotope Ratios in Comets. ESO Astrophysics Symposia. In Precision Spectroscopy in Astrophysics (pp. 263-265).

Jehin, E., Manfroid, J., Hutsemekers, D., Cochran, A., Zucconi, J.-M., Schulz, R., & Arpigny, C. (2008). Carbon and Nitrogen Isotopic Ratios in Comets. In LPI contribution 1405 (pp. 8339).

Jehin, E., Manfroid, J., Kawakita, H., Hutsemekers, D., Weiler, M., Arpigny, C., Cochran, A., Hainaut, O., Rauer, H., Schulz, R., & Zucconi, J.-M. (2008). Optical Spectroscopy of the B and C Fragments of Comet 73P/Schwassmann-Wachmann 3 at the ESO VLT. In LPI contribution 1405 (pp. 8319).

Manfroid, J. (01 January 2008). L'astronomie dans le monde. Ciel (Le), 70, p. 28-36.

Nazé, Y., Rauw, G., & Manfroid, J. (2008). Chandra monitoring of the very massive binary WR20a and the young massive cluster Westerlund 2. Astronomy and Astrophysics, 483 (1), 171-182. doi:10.1051/0004-6361:20078851

Rousselot, P., Jehin, E., Manfroid, J., & Hutsemekers, D. (2008). A Fluorescence Model for 12C13C in Comets. In LPI contribution 1405 (pp. 8142).

Rousselot, P., Mousis, O., Dumas, C., Jehin, E., Manfroid, J., Carry, B., & Zucconi, J.-M. (2008). A Search for Escaping Water from Ceres' Poles. In Asteroids, Comets, Meteors 2008 (pp. 8337).

Snodgrass, C., Fitzsimmons, A., Jehin, E., Manfroid, J., & Hutsemekers, D. (2008). Optical Observations of Comet McNaught from La Silla. In LPI contribution 1405 (pp. 8328).

Manfroid, J. (01 December 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 388-404.

Manfroid, J. (01 November 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 344-360.

Manfroid, J. (01 October 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 315-323.

Manfroid, J. (01 September 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 283-296.

Manfroid, J. (01 June 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 245-256.

Manfroid, J. (01 May 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 194-208.

Manfroid, J. (01 April 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 153-168.

Bonev, T., Ageorges, N., Bagnulo, S., Barrera, L., Boehnhardt, Hainaut, O., Jehin, E., Kaufl, Kerber, F., LoCurto, G., Manfroid, J., Marco, O., Pantin, E., Pompei, E., Saviane, I., Selman, F., Sterken, C., Rauer, H., Tozzi, G. P., & Weiler, M. (2007). Dynamical modeling of the Deep Impact dust ejecta cloud. ArXiv Astrophysics e-prints.

Kawakita, H., Jehin, E., Manfroid, J., & Hutsemekers, D. (01 March 2007). Nuclear spin temperature of ammonia in Comet 9P/Tempel 1 before and after the Deep Impact event. Icarus, 187, 272-275. doi:10.1016/j.icarus.2006.10.015

Manfroid, J., Hutsemekers, D., Jehin, E., Cochran, A. L., Arpigny, C., Jackson, W. M., Meech, K. J., Schulz, R., & Zucconi, J.-M. (01 March 2007). The impact and rotational light curves of Comet 9P/Tempel 1. Icarus, 187, 144-155. doi:10.1016/j.icarus.2006.08.003

Rauw, G., Manfroid, J., Gosset, E., Nazé, Y., Sana, H., De Becker, M., Foellmi, C., & Moffat, A. F. J. (March 2007). Early-type stars in the core of the young open cluster Westerlund 2. Astronomy and Astrophysics, 463 (3), 981-991. doi:10.1051/0004-6361:20066495

Jehin, E., Manfroid, J., Snodgrass, C., Fitzsimmons, A., Hainaut, O., Hutsemekers, D., & Marco, O. (01 February 2007). Comet C/2006 P1 (McNaught). Central Bureau Electronic Telegrams (CBETs), 832, 2.

Manfroid, J. (01 February 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 70-78.

Manfroid, J., & Jehin, E. (01 February 2007). La comète du siècle, McNaught C/2006 P1. Ciel (Le), 69, p. 80-92.

Kawakita, H., Jehin, E., Manfroid, J., & Hutsemekers, D. (2007). Nuclear spin temperature of ammonia in Comet 9P/Tempel 1 before and after the Deep Impact event. Icarus, 191, 513-516. doi:10.1016/j.icarus.2006.10.044

Manfroid, J. (01 January 2007). L'astronomie dans le monde. Ciel (Le), 69, p. 26-44.

Manfroid, J., Hutsemekers, D., Jehin, E., Cochran, A. L., Arpigny, C., Jackson, W. M., Meech, K. J., Schulz, R., & Zucconi, J.-M. (2007). The impact and rotational light curves of Comet 9P/Tempel 1. Icarus, 191, 348-359. doi:10.1016/j.icarus.2006.08.033

Snodgrass, C., Fitzsimmons, A., Hainaut, O., Hamuy, M., Hutsemekers, D., Jehin, E., Jones, M., & Manfroid, J. (2007). Comet C/2006 P1 (McNaught). Central Bureau Electronic Telegrams (CBETs), 832, 1.

Snodgrass, C., Jehin, E., Fitzsimmons, A., Manfroid, J., Hutsemekers, D., & Hainaut, O. (2007). Observations of comet McNaught from La Silla [Poster presentation]. Observing Planetary systems. An ESO Workshop, Santiago, Chile.

Surdej, J., Bartczak, P., Borkowski, V., Borra, H., Chisogne, J.-P., Claeskens, J.-F., Collin, B., De Becker, M., Defrere, D., Denis, S., Flebus, C., Garcet, G., Gloesener, P., Habraken, S., Lampens, P., Magette, A., Manfroid, J., Mawet, D., Ninane, N., ... Swings, J.-P. (2007). The 4m International Liquid Mirror Telescope (ILMT) (Invited talk) [Paper presentation]. VII International Conference on Relativistic Astrophysics, Gravitation and Cosmology, Kyiv, Ukraine.

Manfroid, J. (01 December 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 398-420.

Manfroid, J. (01 November 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 353-387.

Manfroid, J. (01 October 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 330-344.

Nazé, Y., Rauw, G., Hutsemekers, D., Gosset, E., Manfroid, J., & Royer, P. (01 October 2006). The atypical emission-line star Hen 3-209. Monthly Notices of the Royal Astronomical Society, 371 (4), 1594-1600. doi:10.1111/j.1365-2966.2006.10731.x

De Becker, M., Rauw, G., Manfroid, J., & Eenens, P. (September 2006). Early-type stars in the young open cluster IC 1805. II. The probably single stars HD 15570 and HD 15629, and the massive binary/triple system HD 15558. Astronomy and Astrophysics, 456, 1121-1130. doi:10.1051/0004-6361:20065300

Manfroid, J. (01 September 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 275-308.

Surdej, J., Absil, O., Bartczak, P., Borra, E., Chisogne, J.-P., Claeskens, J.-F., Collin, B., De Becker, M., Defrere, D., Denis, S., Flebus, C., Garcet, O., Gloesener, P., Jean, C., Lampens, P., Libbrecht, C., Magette, A., Manfroid, J., Mawet, D., ... Swings, J.-P. (2006). The 4m international liquid mirror telescope (ILMT). In L. Stepp (Ed.), Ground-based and Airborne Telescopes (pp. 4). Bellingham, United States - Washington: SPIE. doi:10.1117/12.671695

Manfroid, J. (01 June 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 255-264.

Manfroid, J. (01 May 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 197-216.

Jehin, E., Manfroid, J., Hutsemekers, D., Cochran, A. L., Arpigny, C., Jackson, W. M., Rauer, H., Schulz, R., & Zucconi, J.-M. (01 April 2006). Deep Impact: High-Resolution Optical Spectroscopy with the ESO VLT and the Keck I Telescope. Astrophysical Journal, 641 (Letters), 145-148. doi:10.1086/504110

Manfroid, J. (01 April 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 153-167.

Manfroid, J. (01 March 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 110-126.

Manfroid, J. (01 February 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 70-88.

Manfroid, J. (01 January 2006). L'astronomie dans le monde. Ciel (Le), 68, p. 17-48.

Manfroid, J. (01 December 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 381-394.

Gosset, E., Rauw, G., Manfroid, J., Antokhina, E., Stevens, I. R., & Sana, H. (2005). Preliminary results of an observational campaign aiming at the study of the binary system LSS3074. In Massive Stars and High-Energy Emission in OB Associations (pp. 77-80).

Manfroid, J. (01 November 2005). L'astronomie dans le monde. Ciel (Le), 67 (november), p. 340-353.

Sana, H., Gosset, E., Rauw, G., Antokhina, E., Royer, P., Manfroid, J., & Vreux, J.-M. (2005). CPD-41° 7742: an unusual wind interaction. In Massive Stars and High-Energy Emission in OB Associations (pp. 89-92).

Manfroid, J. (01 October 2005). L'astronomie dans le monde. Ciel (Le), 67, 289-295.

Meech, K. J., Ageorges, N., A'Hearn, M. F., Arpigny, C., Ates, A., Aycock, J., Bagnulo, S., Bailey, J., Barber, R., Barrera, L., Barrena, R., Bauer, J. M., Belton, M. J. S., Bensch, F., Bhattacharya, B., Biver, N., Blake, G., Bockelée-Morvan, D., Boehnhardt, H., ... Zucconi, J.-M. (01 October 2005). Deep Impact: Observations from a Worldwide Earth-Based Campaign. Science, 310, 265-269. doi:10.1126/science.1118978

Nakos, T., Courbin, F., Poels, J., Libbrecht, C., Magain, P., Surdej, J., Manfroid, J., Burud, I., Hjorth, J., Germany, L., Lidman, C., Meylan, G., Pompei, E., Pritchard, J., & Saviane, I. (01 October 2005). Photometric monitoring of the doubly imaged quasar UM 673: possible evidence for chromatic microlensing. Astronomy and Astrophysics, 441, 443-450. doi:10.1051/0004-6361:20052877

Sana, H., Antokhina, E., Royer, P., Manfroid, J., Gosset, E., Rauw, G., & Vreux, J.-M. (October 2005). The massive binary CPD-41 degrees 7742 - II. Optical light curve and X-ray observations. Astronomy and Astrophysics, 441 (1), 213-229. doi:10.1051/0004-6361:20052746

Hutsemekers, D., Manfroid, J., Jehin, E., Arpigny, C., Cochran, A., Schulz, R., Stüwe, J. A., & Zucconi, J.-M. (01 September 2005). Isotopic abundances of carbon and nitrogen in Jupiter-family and Oort Cloud comets. Astronomy and Astrophysics, 440 (Letters), 21-24. doi:10.1051/0004-6361:200500160

Kaufl, H.-U., Ageorges, N., Bagnulo, S., Barrera, L., Böhnhardt, H., Bonev, T., Hainaut, O., Jehin, E., Kerber, F., Locurto, G., Manfroid, J., Marco, O., Pantin, E., Pompei, E., Saviene, I., Selman, F., Sterken, C., Rauer, H., & Tozzi, G. P. W. M. (01 September 2005). Deep Impact at ESO Telescopes. Messenger, 121, 11-16.

Manfroid, J. (01 September 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 245-255.

Manfroid, J. (01 June 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 209-213.

Manfroid, J. (01 May 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 183-196.

Manfroid, J. (01 April 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 139-164.

Manfroid, J. (01 March 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 93-103.

Manfroid, J., Jehin, E., Hutsemekers, D., Cochran, A., Zucconi, J.-M., Arpigny, C., Schulz, R., & Stüwe, J. A. (01 March 2005). Isotopic abundance of nitrogen and carbon in distant comets. Astronomy and Astrophysics, 432 (Letters), 5-8. doi:10.1051/0004-6361:200500009

Manfroid, J. (01 February 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 65-83.

Hutsemekers, D., Arpigny, C., Jehin, E., Manfroid, J., Cochran, A., Schulz, R., Stuwe, J., & Zucconi, J.-M. (2005). Nitrogen isotopes in comets. Tracking organics from the interstellar medium to the Solar System [Poster presentation]. JENAM 2005, Distant Worlds, Liège, Belgium.

Jehin, E., Hutsemekers, D., Manfroid, J., Arpigny, C., Cochran, A., Schulz, R., Stuwe, J., & Zucconi, J.-M. (2005). The nitrogen and carbon isotope ratios in comets [Poster presentation]. Asteroids, Comets, Meteors 2005, Rio de Janeiro, Brazil.

Manfroid, J. (01 January 2005). L'astronomie dans le monde. Ciel (Le), 67, p. 27-40.

Rauer, H., Jehin, E., Manfroid, J., Sterken, C., Weiler, M., Arpigny, C., Barrera, L., Boehnhardt, H., Cochran, A., Hainaut, O., Hutsemekers, D., Kawakita, H., Knollenberg, J., Licandro, J., Meech, K., Pompei, E., Schulz, R., Stuwe, J., Tozzi, G. P., & Zucconi, J.-M. (2005). The deep impact campaign at ESO: the gas component [Poster presentation]. Asteroids, Comets, Meteors 2005, Rio de Janeiro, Brazil.

Manfroid, J. (December 2004). L'astronomie dans le monde - 12/2004. Ciel (Le), 61, p. 322-328.

Manfroid, J. (01 December 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 322-328.

Manfroid, J. (November 2004). L'astronomie dans le monde - 11/2004. Ciel (Le), 61, p. 294-304.

Manfroid, J. (01 November 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 294-304.

Jehin, E., Manfroid, J., Cochran, A. L., Arpigny, C., Zucconi, J.-M., Hutsemekers, D., Cochran, W. D., Endl, M., & Schulz, R. (01 October 2004). The Anomalous 14N/15N Ratio in Comets 122P/1995 S1 (de Vico) and 153P/2002 C1 (Ikeya-Zhang). Astrophysical Journal, 613 (Letters), 161-164. doi:10.1086/425254

Manfroid, J. (October 2004). L'astronomie dans le monde - 10/2004. Ciel (Le), 61, p. 266-274.

Manfroid, J. (01 October 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 266-274.

De Becker, M., Rauw, G., & Manfroid, J. (September 2004). A spectroscopic study of the non-thermal radio emitter Cyg OB2#8A: Discovery of a new binary system [letter to the editor]. Astronomy and Astrophysics, 424 (3), 39-L42. doi:10.1051/0004-6361:200400049

Manfroid, J. (September 2004). L'astronomie dans le monde - 09/2004. Ciel (Le), 61, p. 210-220.

Manfroid, J. (01 September 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 210-220.

Nazé, Y., Manfroid, J., Stevens, I. R., Corcoran, M. F., & Flores, A. (10 June 2004). An x-ray investigation of the NGC 346 field in the small Magellanic Cloud. III. XMM-Newton data. Astrophysical Journal, 608 (1, Part 1), 208-219. doi:10.1086/386323

Manfroid, J. (June 2004). L'astronomie dans le monde - 06/2004. Ciel (Le), 66, p. 175-180.

Manfroid, J. (01 June 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 175-180.

Manfroid, J. (May 2004). L'astronomie dans le monde - 05/2004. Ciel (Le), 66, p. 161-164.

Manfroid, J. (01 May 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 161-164.

Manfroid, J. (April 2004). L'astronomie dans le monde - 04/2004. Ciel (Le), 66, p. 111-115.

Manfroid, J. (01 April 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 111-115.

Manfroid, J. (March 2004). L'astronomie dans le monde - 03/2004. Ciel (Le), 66, p. 84-95.

Manfroid, J. (01 March 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 84-95.

Manfroid, J. (February 2004). L'astronomie dans le monde - 02/2004. Ciel (Le), 66, p. 54-60.

Manfroid, J. (01 February 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 54-60.

Jehin, E., Arpigny, C., Manfroid, J., Cochran, A., Hutsemekers, D., Schulz, R., & Zucconi, J.-M. (2004). The nitrogen isotope ratio in a few Oort Cloud comets. In 35th COSPAR Scientific Assembly (pp. 4342).

Manfroid, J. (January 2004). L'astronomie dans le monde - 01/2004. Ciel (Le), 66, p. 13-13.

Manfroid, J. (01 January 2004). L'astronomie dans le monde. Ciel (Le), 66, p. 13-13.

Arpigny, C., Jehin, E., Manfroid, J., Hutsemekers, D., Schulz, R., Stüwe, J. A., Zucconi, J.-M., & Ilyin, I. (01 September 2003). Anomalous Nitrogen Isotope Ratio in Comets. Science, 301, 1522-1525. doi:10.1126/science.1086711

Nazé, Y., Rauw, G., Manfroid, J., Chu, Y. H., & Vreux, J.-M. (September 2003). WR bubbles and HeII emission. Astronomy and Astrophysics, 408 (1), 171-186. doi:10.1051/0004-6361:20030847

Arpigny, C., Cochran, A. L., Jehin, E., Manfroid, J., Hutsemekers, D., Zucconi, J.-M., Endl, M., Cochran, W. D., & Schulz, R. (01 May 2003). Anomalous 14N/15N ratio in comets 122P/1995 S1 (de Vico) and 153P/2002 C1 (Ikeya-Zhang). Bulletin of the American Astronomical Society, 35, 986.

Nazé, Y., Hartwell, J. M., Stevens, I. R., Manfroid, J., Marchenko, S., Corcoran, M. F., Moffat, A. F. J., & Skalkowski, G. (01 April 2003). An X-ray investigation of the NGC 346 field in the Small Magellanic Cloud. II. The field population. Astrophysical Journal, 586 (2, Part 1), 983-995. doi:10.1086/367831

Nazé, Y., Rauw, G., Manfroid, J., Chu, Y. H., & Vreux, J.-M. (April 2003). VLT observations of the highly ionized nebula around Brey2. Astronomy and Astrophysics, 401 (2), 13-L16. doi:10.1051/0004-6361:20030260

Aléon, J., Arpigny, C., Robert, F., Jehin, E., Manfroid, J., Hutsemekers, D., Zucconi, J.-M., Schulz, R., Stüwe, J. A., Sangély, L., Chaussidon, M., Marty, B., & Engrand, C. (2003). Cometary Organic Macromolecules in Interplanetary Dust Particles? In Lunar and Planetary Institute Science Conference Abstracts 34 (pp. 1308-1309).

Jehin, E., Arpigny, C., Manfroid, J., Hutsemekers, D., Zucconi, J.-M., Schulz, R., & Stüwe, J. A. (2003). The 12C/13C and 14N/15N Isotopic Ratios in Comet C/2000 WM1 (LINEAR). In CNO in the Universe. Astronomical Society of the Pacific Conference Series 304 (pp. 182-186).

Rauer, H., Helbert, J., Arpigny, C., Benkhoff, J., Bockelée-Morvan, D., Boehnhardt, H., Colas, F., Crovisier, J., Hainaut, O., Jorda, L., Kueppers, M., Manfroid, J., & Thomas, N. (01 January 2003). Long-term optical spectrophotometric monitoring of comet C/1995 O1 (Hale-Bopp). Astronomy and Astrophysics, 397, 1109-1122. doi:10.1051/0004-6361:20021550

Manfroid, J. (December 2002). L'astronomie dans le monde - 12/2002. Ciel (Le), 64, p. 299-299.

Boehnhardt, H., Bonfils, X., Petit, Y., Hainaut, O., Delahodde, C., Jorda, L., Rauer, H., Colas, F., Manfroid, J., Marchis, F., Schulz, R., Tanabe, R., & Tozzi, G. P. (2002). Post-perihelion coma monitoring of comet Hale-Bopp at ESO. In Asteroids, Comets, and Meteors: ACM 2002 (pp. 613-616).

Manfroid, J. (November 2002). L'astronomie dans le monde - 11/2002. Ciel (Le), 64, p. 267-271.

Manfroid, J. (October 2002). L'astronomie dans le monde - 10/2002. Ciel (Le), 64, p. 241-244.

Manfroid, J. (September 2002). L'astronomie dans le monde - 09/2002. Ciel (Le), 64, p. 202-207.

Rauw, G., Crowther, P. A., Eenens, P. R. J., Manfroid, J., & Vreux, J.-M. (September 2002). The evolved early-type binary HDE 228766 revisited. Astronomy and Astrophysics, 392 (2), 563-574. doi:10.1051/0004-6361:20020927

Manfroid, J. (June 2002). L'astronomie dans le monde - 06/2002. Ciel (Le), 64, p. 179-192.

Vangeyte, B., Manfroid, J., & Surdej, J. (June 2002). Study of CCD mosaic configurations for the ILMT: Astrometry and photometry of point sources in the absence of a TDI corrector. Astronomy and Astrophysics, 388 (2), 712-731. doi:10.1051/0004-6361:20020516

Manfroid, J. (May 2002). L'astronomie dans le monde - 05/2002. Ciel (Le), 64, p. 143-150.

Manfroid, J. (April 2002). L'astronomie dans le monde - 04/2002. Ciel (Le), 64, p. 116-122.

Manfroid, J. (March 2002). L'astronomie dans le monde - 03/2002. Ciel (Le), 64, p. 67-76.

Manfroid, J. (February 2002). L'astronomie dans le monde - 02/2002. Ciel (Le), 64, p. 37-40.

Manfroid, J. (January 2002). L'astronomie dans le monde - 01/2002. Ciel (Le), 64, p. 6-13.

Manfroid, J. (December 2001). L'astronomie dans le monde - 12/2001. Ciel (Le), 63, p. 298-302.

Manfroid, J. (November 2001). L'astronomie dans le monde - 11/2001. Ciel (Le), 63, p. 256-263.

Gosset, E., Royer, P., Rauw, G., Manfroid, J., & Vreux, J.-M. (01 October 2001). A first detailed study of the colliding wind WR+O binary WR 30a. Monthly Notices of the Royal Astronomical Society, 327, 435-451. doi:10.1046/j.1365-8711.2001.04755.x

Manfroid, J. (October 2001). L'astronomie dans le monde - 10/2001. Ciel (Le), 63, p. 220-227.

Manfroid, J. (September 2001). L'astronomie dans le monde - 09/2001. Ciel (Le), 63, p. 187-193.

Manfroid, J. (June 2001). L'astronomie dans le monde - 06/2001. Ciel (Le), 63, p. 170-174.

Manfroid, J. (June 2001). Bibliographie : Le guide du ciel 2001-2002 , G. Cannat - 06/2001. Ciel (Le), 63, p. 152-153.

Manfroid, J. (June 2001). Bibliographie : L'espace , mes images préférées, Ph. Henarejos - 06/2001. Ciel (Le), 63, p. 153.

Manfroid, J., Selman, F., & Jones, H. (01 June 2001). Achieving 1% photometric accuracy with the ESO Wide Field Imager. Messenger, 104, 16-20.

Manfroid, J. (April 2001). L'astronomie dans le monde - 04/2001. Ciel (Le), 63, p. 98-106.

Manfroid, J. (March 2001). L'astronomie dans le monde - 03/2001. Ciel (Le), 61, p. 62-68.

Rousselot, P., Arpigny, C., Rauer, H., Cochran, A. L., Gredel, R., Cochran, W. D., Manfroid, J., & Fitzsimmons, A. (01 March 2001). A fluorescence model of the C[SUB]3[/SUB] radical in comets. Astronomy and Astrophysics, 368, 689-699. doi:10.1051/0004-6361:20000578

Manfroid, J. (February 2001). L'astronomie dans le monde - 02/2001. Ciel (Le), 61, p. 34-38.

Royer, P., Smartt, S. J., Manfroid, J., & Vreux, J.-M. (01 February 2001). The WR content of IC10 - first detection of WC9 stars in a low metallicity environment? Astronomy and Astrophysics, 366, 1-L4. doi:10.1051/0004-6361:20000571

Manfroid, J. (2001). L'astronomie dans le monde - 05/2001. Ciel (Le), 63, p. 139-140.

Manfroid, J. (January 2001). L'astronomie dans le monde - 01/2001. Ciel (Le), 61, p. 7-13.

Manfroid, J., Royer, P., Rauw, G., & Gosset, E. (2001). Correction of Systematic Errors in Differential Photometry. In Astronomical Data Analysis Software and Systems X (pp. 373).

Poels, J., Borra, E., Claeskens, J.-F., Jean, C., Manfroid, J., Montfort, F., Moreau, O., Nakos, T., Surdej, J., Swings, J.-P., van Dessel, E., & Vangeyte, B. (2001). The 4-m International Liquid Mirror Telescope Project (ILMT) (poster). In F. R. Harnden, F. A. Primini, ... H. E. Payne (Eds.), Astronomical Data Analysis Software & Systems X Conference (pp. 97-100).

Poels, J., Moreau, O., Manfroid, J., Surdej, J., Borra, E., Claeskens, J.-F., Jean, C., Montfort, F., Swings, J.-P., Vangeyte, B., van Dessel, E., & Nakos, T. (2001). Surveys with the 4-m International Liquid Mirror Telescope. In Mining the Sky (pp. 598). doi:10.1007/10849171_79

Poels, J., Moreau, O., Manfroid, J., Surdej, J., Borra, H., Claeskens, J.-F., Jean, C., Monfort, F., Swings, J.-P., Vangeyte, B., van Dessel, E., & Nakos, T. (2001). Surveys with the 4-m International Liquid Mirror Telescope Project (ILMT) (poster). In A. J. Banday, S. Zaroubi, ... M. Bartelmann (Eds.), Astronomical Data Analysis Software and Systems X (pp. 598-600).

Manfroid, J., & Mathys, G. (01 December 2000). Variations of the Ap star HDE 318107. Astronomy and Astrophysics, 364, 689-693.

Manfroid, J., & Mathys, G. (2000). Geneva photometry of HDE 318107 (Manfroid+, 2000).

Arpigny, C., Schulz, R., Manfroid, J., Ilyin, I., Stuewe, & Zucconi, J.-M. (2000). The isotope ratios [SUP]12[/SUP]C/[SUP]13[/SUP]C and [SUP]14[/SUP]N/[SUP]15[/SUP]N in comet C/1995 O1 (Hale-Bopp). In Bulletin of the American Astronomical Society (pp. 1074).

Rousselot, P., Arpigny, C., Rauer, H., Gredel, R., Manfroid, J., & Fitzsimmons, A. (2000). A fluorescence model of the C[SUB]3[/SUB] radical in comets. In Bulletin of the American Astronomical Society (pp. 1072).

Royer, P., Manfroid, J., Gosset, E., & Vreux, J.-M. (01 August 2000). Simulations of observations with the Optical Monitor of the X-ray Multi-Mirror Satellite. Astronomy and Astrophysics. Supplement Series, 145, 351-364. doi:10.1051/aas:2000246

Manfroid, J. (April 2000). Alignements et marées. Ciel (Le), 62, p. 120-123.

Manfroid, J. (December 1999). Les observateurs - 12/1999. Ciel (Le), 61, p. 294-296.

Manfroid, J. (December 1999). L'astronomie dans le monde - 12/1999. Ciel (Le), 61, p. 314-320.

Manfroid, J. (December 1999). Bibliographie : Voir le ciel , Storm Dunlop - 12/1999. Ciel (Le), 63, p. 296-297.

Manfroid, J. (December 1999). Bibliographie : Rythmes du temps , astronomie et calendrier, É. Biémont - 12/1999. Ciel (Le), 61, p. 297.

Guesse, M., & Manfroid, J. (November 1999). Les observateurs - 11/1999. Ciel (Le), 61, p. 273-274.

Manfroid, J. (November 1999). L'astronomie dans le monde - 11/1999. Ciel (Le), 61, p. 275-283.

Manfroid, J. (October 1999). L’éclipse du 11 août 1999. Ciel (Le), 61, p. 217-222.

Manfroid, J. (September 1999). L'astronomie dans le monde - 09/1999. Ciel (Le), 61, p. 194-198.

Manfroid, J. (September 1999). Bibliographie : Le guide du ciel 1999--1999 , G. Cannat - 09/1999. Ciel (Le), 61, p. 199.

Manfroid, J. (September 1999). Bibliographie : L'éclipse de Soleil du 11 août 1999 , Ph. de la Cotardière. Ciel (Le), 61, p. 199.

Manfroid, J. (September 1999). Bibliographie. Ciel (Le), 61, p. 199-200.

Manfroid, J. (June 1999). L’éclipse du 11 août - 06/1999. Ciel (Le), 61, p. 168-171.

Manfroid, J. (June 1999). L'astronomie dans le monde - 06/1999. Ciel (Le), 61, p. 152-157.

Manfroid, J. (May 1999). L'astronomie dans le monde - 05/1999. Ciel (Le), 61, p. 133-134.

Manfroid, J. (February 1999). L'astronomie dans le monde - 02/1999. Ciel (Le), 61, p. 47-50.

Gosset, E., Royer, P., Rauw, G., Manfroid, J., & Vreux, J.-M. (1999). New observational results on the colliding wind WR+O binary WR 30a. In Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies (pp. 354-355). San Francisco, United States - California: Astronomical Soc Pacific.

Manfroid, J. (1999). Bibliographie : Guide du matériel d'astronomie, Burillier et Lehénaff; Connaissance des Temps 1999 - Satellites de Saturne - Satellites galiléens, Bureau des Longitudes. Ciel (Le), 61, p. 50-51.

Royer, P., Rauw, G., Manfroid, J., Gosset, E., & Vreux, J.-M. (1999). Narrow-band photometry of the eclipsing WN7+O binary WR 22. In Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies (pp. 94-95). San Francisco, United States - California: Astronomical Soc Pacific.

Helbert, J., Rauer, H., Arpigny, C., Manfroid, J., Boehnhardt, H., Hainaut, O., Colas, F., Crovisier, J., Jorda, L., Rembor, K., Thomas, N., & Kueppers, M. (1998). First results on the evaluation of Haser scale lengths in comet Hale-Bopp (C/1995 O1) at R >= 3 AU. In Bulletin of the American Astronomical Society (pp. 1072).

Rauer, H., Helbert, J., Arpigny, C., Manfroid, J., Boehnhardt, H., Hainaut, O., Colas, F., Crovisier, J., Jorda, L., Rembor, K., Thomas, N., & Kueppers, M. (1998). Spectrophotometric Monitoring of Comet C/1995 O1 (Hale-Bopp): Pre- and Post-Perihelion. In Bulletin of the American Astronomical Society (pp. 1070).

Schulz, R., Arpigny, C., Manfroid, J., Stuewe, J. A., Tozzi, G. P., Cremonese, G., Rembor, K., & Peschke, S. (01 July 1998). Spectral evolution of Rosetta target comet 46P/Wirtanen. Astronomy and Astrophysics, 335, 46-L49.

Rauer, H., Arpigny, C., Manfroid, J., Cremonese, G., & Lemme, C. (01 June 1998). The spatial sodium distribution in the coma of comet Hale-Bopp (C/1995 O1). Astronomy and Astrophysics, 334, 61-L64.

Royer, P., Vreux, J.-M., & Manfroid, J. (01 June 1998). A dedicated photometric system for the classification of Wolf-Rayet stars. Astronomy and Astrophysics. Supplement Series, 130, 407-414. doi:10.1051/aas:1998234

Arpigny, C., Rauer, H., Manfroid, J., Hutsemekers, D., Jehin, E., Crovisier, J., & Jorda, L. (1998). Production and kinematics of sodium atoms in the coma of comet Hale-Bopp. Astronomy and Astrophysics, 334 (Letters), 53-56.

Manfroid, J., Burnet, M., & Renson, P. (01 January 1998). Variations of Ap stars in the Geneva system. Astronomy and Astrophysics. Supplement Series, 127, 201-206. doi:10.1051/aas:1998344

Royer, P., Vreux, J.-M., & Manfroid, J. (1998). A photometric method to study the Wolf-Rayet content of compact H II regions in nearby galaxies. In The Magellanic Clouds and Other Dwarf Galaxies (pp. 287).

Jorissen, A., Mowlavi, N., Sterken, C., & Manfroid, J. (01 August 1997). The onset of photometric variability in red giant stars. Astronomy and Astrophysics, 324, 578-586.

Cremonese, G., Arpigny, C., Manfroid, J., Bockelee-Morvan, D., Crovisier, J., Rauer, H., Boehnhardt, H., Fitzsimmons, A., Fulle, M., Jockers, K., Jorda, L., Thomaa, N., Kaufl, H.-U., West, R., Kidger, M., Lagage, P.-O., Rickman, H., Schulz, R., & Tozzi, G.-P. (1997). The European Hale-Bopp Team Observations of Comet Hale-Bopp. In Bulletin of the American Astronomical Society (pp. 1035).

Rauer, H., Arpigny, C., Hutsemekers, D., Manfroid, J., Jorda, L., & Crovisier, J. (01 July 1997). On the Production and Kinematics of Sodium Atoms in the Head of Comet Hale-Bopp. Bulletin of the American Astronomical Society, 29, 1049.

Schulz, R., Arpigny, C., Manfroid, J., Ilyin, I., Rickman, H., & Stuwe, J. A. (1997). On the (13) CN/(12) CN Isotopic Ratio in Comet Hale-Bopp. In Bulletin of the American Astronomical Society (pp. 1048).

Mathys, G., Hubrig, S., Landstreet, J. D., Lanz, T., & Manfroid, J. (01 June 1997). The mean magnetic field modulus of AP stars. Astronomy and Astrophysics. Supplement Series, 123, 353-402. doi:10.1051/aas:1997103

Manfroid, J., & Mathys, G. (01 April 1997). Variations of the AP star HD 208217. Astronomy and Astrophysics, 320, 497-499.

Manfroid, J., Renson, P., & Burnet, M. (01 March 1997). HR 7674: a low-amplitude cepheid? Information Bulletin on Variable Stars, 4453, 1-2.

Rauer, H., Arpigny, C., Boehnhardt, H., Colas, F., Crovisier, J., Jorda, L., Kuppers, Manfroid, J., Rembor, K., & Thomaa. (01 March 1997). Optical observations of comet Hale-Bopp (C/1995 O1) at large heliocentric distances before perihelion. Science, 275, 1909-1912. doi:10.1126/science.275.5308.1909

Royer, P., & Manfroid, J. (01 November 1996). A method to optimize intermediate-passband photometric systems. Astronomy and Astrophysics. Supplement Series, 119, 569-575. doi:10.1051/aas:1996253

van der Bliek, N. S., Manfroid, J., & Bouchet, P. (01 November 1996). Infrared aperture photometry at ESO (1983-1994) and its future use. Astronomy and Astrophysics. Supplement Series, 119, 547-557. doi:10.1051/aas:1996267

Sterken, C., Manfroid, J., Beele, D., de Koff, S., Eggenkamp, I. M. M. G., Goecking, K., Jorissen, A., Kaufer, A., Kuss, C., Schoenmakers, A. P., Still, J. M., van Loon, J., Vink, J., Vrielmann, S., & Waelde, E. (1996). Long-term photometry of Variables IV (Sterken+, 1995).

Manfroid, J. (01 August 1996). On CCD standard stars and flat-field calibration. Astronomy and Astrophysics. Supplement Series, 118, 391-395. doi:10.1051/aas:1996206

Boehnhardt, H., Kaeufl, H. U., Goudfrooij, P., Storm, J., Manfroid, J., & Reinsch, K. (01 June 1996). The break-up of periodic comet Schwassmann-Wachmann 3: image documents from La Silla telescopes. Messenger, 84, 26-29.

van der Bliek, N. S., Manfroid, J., & Bouchet, P. (1996). IR photometry of ESO calibration stars (van der Bliek+ 1996).

Rauw, G., Gosset, E., Manfroid, J., Vreux, J.-M., & Claeskens, J.-F. (01 February 1996). Existence of a short period (3.5-4 hours) in the photometric variability of WR 66. Astronomy and Astrophysics, 306, 783.

Manfroid, J., & Renson, P. (1996). Nomenclature stellaire et catalogues astronomiques. Liège, Belgium: Société Astronomique de Liège.

Rauw, G., Vreux, J.-M., Gosset, E., Manfroid, J., & Niemela, V. S. (1996). A new orbital solution for the WNL binary system WR12. In Liege International Astrophysical Colloquia (pp. 303).

Sterken, C., & Manfroid, J. (01 January 1996). The enigmatic flarings of HR2517. Astronomy and Astrophysics, 305, 481.

Vreux, J.-M., Manfroid, J., & Royer, P. (1996). A photometric classification of Wolf-Rayet stars. In Liege International Astrophysical Colloquia (pp. 31).

Vreux, J.-M., Rauw, G., Bohannan, B., & Manfroid, J. (1996). Line-profile variability and mass-transfer in the early type binary BD+40° 4220. In Liege International Astrophysical Colloquia (pp. 337).

Manfroid, J. (01 November 1995). Stellar calibration of CCD flat fielding. Astronomy and Astrophysics. Supplement Series, 113, 587.

Manfroid, J., Sterken, C., Bruch, A., Burger, M., de Groot, M., Duerbeck, H. W., Duemmler, R., Figer, A., Hageman, T., Hensberge, H., Jorissen, A., Madejsky, R., Mandel, H., Ott, H. A., Reitermann, A., Schulte-Ladbeck, R. E., Stahl, O., Steenman, H., Vander Linden, D., & Zickgraf, F. J. (1995). Long-term photometry of Variables I. (Manfroid+ 1991).

Manfroid, J., Sterken, C., Cunow, B., de Groot, M., Jorissen, A., Kneer, R., Krenzin, R., Kruijswijk, M., Naumann, M., Niehues, M., Schoeneich, W., Sevenster, M., Vos, N., & Vogt, N. (1995). Long-term photometry of Variables III (Manfroid+, 1995).

Sterken, C., Manfroid, J., Beele, D., de Koff, S., Eggenkamp, I. M. M. G., Goecking, K., Jorissen, A., Kaufer, A., Kuss, C., Schoenmakers, A. P., Stil, J. M., van Loon, J., Vink, J., Vrielmann, S., & Waelde, E. (01 October 1995). Long-term photometry of variables at ESO. IV. The fourth data catalogue (1992-1994). Astronomy and Astrophysics. Supplement Series, 113, 31.

Manfroid, J., & Renson, P. (01 June 1995). Nomenclature stellaire et catalogues astronomiques - VIII. Ciel (Le), 57, 223-231.

Manfroid, J., & Renson, P. (01 May 1995). Nomenclature stellaire et catalogues astronomiques - VII. Ciel (Le), 57, p. 146-150.

Manfroid, J., & Renson, P. (01 April 1995). Nomenclature stellaire et catalogues astronomiques - VI. Ciel (Le), 57, p. 135-138.

Sterken, C., Manfroid, J., Beele, D., de Koff, S., Eggenkamp, I. M. M. G., Göcking, K., Jorissen, A., Kaufer, A., Kuss, C., Schoenmakers, A. P., Stil, J. M., van Loon, J., Vink, J., Vrielmann, S., & Walde. (1995). Fourth Catalogue of Stars Measured in the Long-Term Photometry of Variables Project (1992 - 1994). In Fourth Catalogue of Stars Measured in the Long-Term Photometry of Variables Project (1992 - 1994)., by Sterken, C.; Manfroid, J.; Beele, D.; de Koff, S.; Eggenkamp, I. M. M. G.; Göcking, K.; Jorissen, A.; Kaufer, A.; Kuss, C.; Schoenmakers, A. P.; Stil, J. M.; van Loon, J.; Vink, J.; Vrielmann, S.; Wälde, E.. European Southern Observatory, Garching (Germany), Apr 1995, 198 p. ESO.

Manfroid, J., & Renson, P. (01 March 1995). Nomenclature stellaire et catalogues astronomiques - V. Ciel (Le), 57, p. 86-91.

Manfroid, J., & Renson, P. (01 February 1995). Nomenclature stellaire et catalogues astronomiques - IV. Ciel (Le), 57, p. 42-48.

Manfroid, J., Sterken, C., Cunow, B., de Groot, M., Jorissen, A., Kneer, R., Krenzin, R., Kruijswijk, M., Naumann, M., Niehues, M., Schoeneich, W., Sevenster, M., Vos, N., & Vogt, N. (01 February 1995). Long-term photometry of variables at ESO. III. The third data catalogue (1990-1992). Astronomy and Astrophysics. Supplement Series, 109, 329-332.

Manfroid, J., & Renson, P. (01 January 1995). Nomenclature stellaire et catalogues astronomiques - III. Ciel (Le), 57, p. 11-17.

Rauw, G., Vreux, J.-M., Gosset, E., Hutsemekers, D., Magain, P., Manfroid, J., Remy, M., & Rochowicz, K. (1995). A seven year campaign on WR 22. In Wolf-Rayet Stars: Binaries; Colliding Winds; Evolution. International Astronomical Union. Symposium no. 163 (pp. 241-242).

Sterken, C., Manfroid, J., Beele, D., de Koff, S., Eggenkamp, I. M. M. G., Gocking, K., Jorissen, A., Kaufer, A., Kuss, C., Schoenmakers, A. P., Stil, J. M., van Loon, J., Vink, J., Vrielmann, S., & Walde, E. (1995). 1995, Fourth Catalogue of stars measured in the Long-Term Photometry of Variables project. ESO.

Manfroid, J., & Renson, P. (01 December 1994). Nomenclature stellaire et catalogues astronomiques - II. Ciel (Le), 56, p. 334-347.

Sterken, C., & Manfroid, J. (01 December 1994). A flare event on HR2517. Information Bulletin on Variable Stars, 4120, 1.

Manfroid, J., & Renson, P. (01 November 1994). Nomenclature stellaire et catalogues astronomiques - I. Ciel (Le), 56, p. 297-307.

Manfroid, J., & Renson, P. (01 July 1994). Variations of the Ap Stars in NGC2169. Information Bulletin on Variable Stars, 4044, 1.

Gosset, E., Rauw, G., Manfroid, J., Vreux, J.-M., & Sterken, C. (1994). Photometric monitoring of Wolf-Rayet stars: Strömgren uvby and narrow-band photometry. In NATO ASIC Proc. 436: The Impact of Long-Term Monitoring on Variable Star Research: Astrophysics (pp. 101).

Manfroid, J. (1994). Third catalogue of stars measured in the Long-Term Photometry of Variables project (1990-1992). In Third catalogue of stars measured in the Long-Term Photometry of Variables project (1990-1992) , by Manfroid, J. Garching bei München, Germany : European Southern Observatory, 1994. . European Southern Observatory. ESO.

Manfroid, J. (1994). Catalogue of stars measured in the Long-term Photometry of Variables Project (1990-1992) : 3 : 1994. In ESO Scientific Report, Garching: European Southern Observatory (ESO), |c1994, edited by Manfroid, Jean. ESO.

Manfroid, J., & Renson, P. (01 January 1994). Photometric variations of Ap stars. Astronomy and Astrophysics, 281, 73-89.

Manfroid, J., Sterken, C., Cunow, B., de Groot, M., Jorissen, A., Kneer, R., Krenzin, R., Kruijswijk, M., Naumann, M., Niehues, M., Schöneich, W., Sevenster, M., Vos, N., & Vogt, N. (1994). Third Catalogue of stars measured in the Long-Term Photometry of Variables project. European Southern Observatory Scientific Report, 14, 1.

Sterken, C., Manfroid, J., Anton, K., Barzewski, A., Bibo, E., Bruch, A., Burger, M., Duerbeck, H. W., Duemmler, R., Heck, A., Hensberge, H., Hiesgen, M., Inklaar, F., Jorissen, A., Juettner, A., Kinkel, U., Zongli, L., Mekkaden, M. V., Ng, Y. K., ... Wanders, I. (01 November 1993). Longterm Photometry of Variables at ESO - Part Two - the Second Data Catalogue 1986-1990. Astronomy and Astrophysics. Supplement Series, 102, 79.

Manfroid, J. (01 April 1993). On the reduction of narrow-band photometry. Astronomy and Astrophysics, 271, 714.

Barsics, J., De Rop, Y., Lausberg, A., & Manfroid, J. (1993). Autour du pendule de Foucault. In Liege: Societe Astronomique de Liege (SAL), |c1993.

Sterken, C., Manfroid, J., Anton, K., Barzewski, A., Bibo, E., Bruch, A., Burger, M., Duerbeck, H. W., Duemmler, R., Heck, A., Hensberge, H., Hiesgen, M., Inklaar, F., Jorissen, A., Juettner, A., Kinkel, U., Liu, Z., Mekkaden, M. V., Ng, Y. K., ... Wanders, I. (1993). Long-Term Photometry of Variables at ESO. II. The Second Data Catalogue (1986-1990). European Southern Observatory Scientific Report, 12, 1.

Hensberge, H., Manfroid, J., & Sterken, C. (01 December 1992). Long-term stability of classical photometry. Messenger, 70, 35-37.

Sterken, C., & Manfroid, J. (01 December 1992). The evolution of atmospheric extinction at La Silla derived from measurements in the Stromgren photometric system. Astronomy and Astrophysics, 266, 619-627.

van der Bliek, N. S., Bouchet, P., Habing, H. J., Jourdain de Muizon, M., Blackwell, D. E., Gustafsson, B., Hammersley, P. L., Kesslerr, Lim, T. L., Manfroid, J., Metcalfe, L., & Salama, A. (01 December 1992). Standard stars for the Infrared Space Observatory, ISO. Messenger, 70, 28-30.

Manfroid, J., Sterken, C., & Gosset, E. (01 October 1992). Photometric accuracy - The impact of extrapolation in differing color-transformation schemes. Astronomy and Astrophysics, 264, 345-349.

Renson, P., & Manfroid, J. (01 September 1992). The outstanding photometric variations of the Ap star HD 7676 = VV Scl. Astronomy and Astrophysics, 263, 161-164.

Manfroid, J. (01 July 1992). Physical constraints on color transformations. Astronomy and Astrophysics, 260, 517-524.

Jorissen, A., Mayor, M., Manfroid, J., & Sterken, C. (01 May 1992). HD 35155: the First Eclipsing Binary S Star (P=642 Days). Information Bulletin on Variable Stars, 3730, 1-4.

Manfroid, J., & Sterken, C. (01 May 1992). Systematic color transformation effects in Stromgren photometry. Astronomy and Astrophysics, 258, 600-604.

Renson, P., & Manfroid, J. (01 March 1992). Light curve of the Ap star TW Columbae. Astronomy and Astrophysics, 256, 104-106.

Turon, C., Crézé, Egret, D., Gómez, A., Grenon, M., JahreiÃ, H., Réquième, Argue, A. N., Bec-Borsenberger, A., Dommanget, J., Mennessier, M. O., Arenou, F., Chareton, M., Crifo, F., Mermilliod, J. C., Morin, D., Nicolet, B., Nys, O., Prévot, L., ... Schrijver, H. (1992). The Hipparcos Input Catalogue. Volumes 1 - 7. In The Hipparcos Input Catalogue. Volumes 1 - 7., by Turon, C.; Crézé, M.; Egret, D.; Gomez, A.; Grenon, M.; Jahreià , H.; Réquième, Y.; Argue, A. N.; Bec-Borsenberger, A.; Dommanget, J.; Mennessier, M. O.; Arenou, F.; Chareton, M.; Crifo, F.; Mermilliod, J. C.; Morin, D.; Nicolet, B.; Nys, O.; Prévot, L.; Rousseau, M.; Perryman, M. A. C.; Arlot, J. E.; Baglin, A.; Barthès, D.; Baylac, M. O.; Brosche, P.; Burnet, M.; Delhaye, J.; Dettbarn, C.; Erbach, M.; Figueras, F.; Fricke, W.; Helmer, L.; Hemenway, P.; Jordi, C.; Lampens, P.; Lederle, T.; Lub, J.; Manfroid, J.; Mattei, J. A.; Mazurier, J. M.; Mermilliod, M.; Morisson, L. V.; Murray, C. A.; Oblak, E.; Périé, J. P.; Pernier, B.; Le Poole, R. S.; Quijano, L.; Rapaport, M.; Sellier, A.; Torra, J.; Tucholke, H.-J.; de Vegt, C.; Høg, E.; Kovalevsky, J.; van Leeuwen, F.; Lindegren, L.; Schütz, A.; Schrijver, H.. European Space Agency, Paris (France), Mar 1992, 3211 p., ISBN 92-9092-120, Price Dfl. 180.00. ESA.

Jorissen, A., Manfroid, J., & Sterken, C. (01 January 1992). Photometric variability of barium stars. Astronomy and Astrophysics, 253, 407-424.

Jorissen, A., Manfroid, J., & Sterken, C. (1992). HD46407 - the First Eclipsing Binary Barium Star. In Evolutionary Processes in Interacting Binary Stars (pp. 411-414).

Sterken, C., & Manfroid, J. (1992). On the Homogeneity of Visual Photometry. In Variable Star Research (pp. 75).

Sterken, C., & Manfroid, J. (1992). On the homogeneity of visual photometry. In International Cooperation and Coordination in Astronomical Research (pp. 75-87).

Sterken, C., & Manfroid, J. (1992). Astronomical Photometry, A Guide.

Bouchet, P., Schmider, F. X., & Manfroid, J. (01 December 1991). JHKLM standard stars in the ESO system. Astronomy and Astrophysics. Supplement Series, 91, 409-424.

Jorissen, A., Manfroid, J., & Sterken, C. (01 December 1991). Discovery of the first eclipsing binary barium star. Messenger, 66, 53-56.

Manfroid, J., Renson, P., Catalano, F. A., Leone, F., Vogt, N., & Faundez, M. (01 October 1991). The photometric variations of the Ap star HD34631. Astronomy and Astrophysics. Supplement Series, 90, 19-23.

Balona, L. A., Sterken, C., & Manfroid, J. (01 September 1991). The light curves of periodic Be stars in NGC 3766. Monthly Notices of the Royal Astronomical Society, 252, 93-101. doi:10.1093/mnras/252.1.93

Helt, B. E., Bibo, E. A., Cuypers, J., Debehogne, H., de Campos, J. A., Franco, G. A. P., Gimenez, A., Gray, R. O., Lindgren, H., Lundstrom, I., Manfroid, J., Ng, Y. K., Olsen, E. H., Pernier, B., Petersen, C. S., Vaz, L. P. R., & Verschueren, W. (01 August 1991). Stromgren six-colour photometry of SN 1987 A. I - Days 1 to 330. Astronomy and Astrophysics. Supplement Series, 89, 399-409.

Gosset, E., Remy, M., Manfroid, J., Vreux, J.-M., Balona, L. A., Sterken, C., & Franco, G. (01 March 1991). WR 22 is an Eclipsing Binary Star. Information Bulletin on Variable Stars, 3571, 1.

Manfroid, J., Sterken, C., Bruch, A., Burger, M., de Groot, M., Duerbeck, H. W., Duemmler, R., Figer, A., Hageman, T., Hensberge, H., Jorissen, A., Madejsky, R., Mandel, H., Ott, H.-A., Reitermann, A., Schulte-Ladbeck, R. E., Stahl, O., Steenman, H., Vander Linden, D., & Zickgraf, F. J. (01 March 1991). Long-term photometry of variables at ESO. I - The first data catalogue (1982-1986). Astronomy and Astrophysics. Supplement Series, 87, 481-498.

Sterken, C., & Manfroid, J. (01 March 1991). Automatic Photometry at La Silla. Messenger, 63, 80-82.

Manfroid, J. (1991). Webb Society Deep-Sky Observer's Handbook, Volume 8, Variable Stars -- John E. Isles. Ciel et Terre, 107, 29.

Manfroid, J. (1991). The Solar System -- T. Encrenaz, J. -P. Birbing et M. Blanc. Ciel et Terre, 107, 29.

Manfroid, J. (1991). Pour comprendre l'univers -- A. Delsemme, J. -C. Pecker et H. Reeves. Ciel et Terre, 107, 29.

Manfroid, J. (1991). Exercices in practical Astronomy using photographs: with solutions -- Mary Teresa Brück. Ciel et Terre, 107, 147.

Manfroid, J. (1991). Catalogue of stars measured in the Long-term Photometry of Variables Project (1982-1986) : 1 : 1991. In ESO Scientific Report, Garching: European Southern Observatory (ESO), 1991.

Manfroid, J. (1991). Beams and Jets in Astrophysics -- Philip A. Hughes. Ciel et Terre, 107, 147.

Manfroid, J., & Sterken, C. (1991). Systematic Color Transformation Effects in Stromgren Photometry. In Precision Photometry: Astrophysics of the Galaxy (pp. 139).

Manfroid, J., Sterken, C., Bruch, A., Burger, M., de Groot, M., Duerbeck, H. W., Duemmler, R., Figer, A., Hageman, T., Hensberge, H., Jorissen, A., Madejsky, R., Mandel, H., Ott, H. A., Reitermann, A., Schulte-Ladbeck, R. E., Stahl, O., Steenman, H., Vander Linden, D., & Zickgraf, F. J. (1991). Long-Term Photometry of Variables at ESO. I.

Pollacco, D. L., Hill, P. W., Houziaux, L., & Manfroid, J. (01 January 1991). Nebulae around R Coronae Borealis stars - Clues to their evolutionary status? Monthly Notices of the Royal Astronomical Society, 248, 1P-4.

Sterken, C., & Manfroid, J. (1991). Automatic Photometric Telescopes and Photometric Accuracy. In Precision Photometry: Astrophysics of the Galaxy (pp. 335).

Gosset, E., Vreux, J.-M., Manfroid, J., Remy, M., & Sterken, C. (01 August 1990). Analysis of the light variations of the Wolf-Rayet star WR16. Astronomy and Astrophysics. Supplement Series, 84, 377-396.

Manfroid, J., Bouchet, P., & Gouiffes, C. (01 March 1990). Photometry of comet Austin. Messenger, 59, 55-56.

Bouchet, P., West, R. M., Lebertre, T., Vega, R., & Manfroid, J. (01 February 1990). Comet Austin (1989c1). International Astronomical Union Circulars, 4962, 1.

Manfroid, J., Gouiffes, C., & Bouchet, P. (1990). Comet Austin (1989c1).

Arpigny, C., & Manfroid, J. (1990). Bilan annuel: Trois comètes remarquables en 1989. Ciel et Terre, 106, p. 5-10.

Manfroid, J. (1990). Premiers résultats de Magellan sur Vénus. Ciel et Terre, 106, p. 129-130.

Manfroid, J. (1990). Practical Ephemeris Calculations -- Oliver Montenbruck. Ciel et Terre, 106, 29-30.

Manfroid, J. (1990). On the glassy sea: An astronomer's journey -- Tom Gehrels. Ciel et Terre, 106, 87.

Manfroid, J. (1990). NGC 2000.0 The Complete New General Catalogue and Index of Nebulae and Star Clusters -- J. L. E. Dreyer. Ciel et Terre, 106, 88.

Manfroid, J. (1990). Les grandes inventions du monde moderne -- G. Messadié. Ciel et Terre, 106, 60.

Manfroid, J. (1990). Les comètes ont-elles tué les dinosaures? -- Isaac Asimov. Ciel et Terre, 106, 60.

Manfroid, J. (1990). Lecture Notes in Physics 332, Morphological Cosmology -- P. Flin et H. W. Duerbeck. Ciel et Terre, 106, 90.

Manfroid, J. (1990). Le centre mysterieux de la Voie Lactée enfin observé dans le domaine optique. Ciel et Terre, 106, p. 125.

Manfroid, J. (1990). La Lune -- P. Bianucci. Ciel et Terre, 106, 142.

Manfroid, J. (1990). Evolution of galaxies - Astronomical observations -- I. Appenzeller et al. Ciel et Terre, 106, 147.

Manfroid, J. (1990). Electronic and computer-aided astronomy: From eyes to electronic sensors -- I. S. McLean. Ciel et Terre, 106, 146.

Manfroid, J. (1990). Des hommes, des télescopes, des étoiles -- C. Fehrenbach. Ciel et Terre, 106, 141.

Manfroid, J. (1990). Derive, A mathematical assistant for your personal computer (3e édition). Ciel et Terre, 106, 88.

Manfroid, J. (1990). Deep-Sky Observing with Small Telescopes -- David J. Eicher. Ciel et Terre, 106, 30.

Manfroid, J. (1990). Data in astronomy -- Carlos Jaschek. Ciel et Terre, 106, 88.

Manfroid, J. (1990). Compte-rendus du 10th European Regional Astronomy Meeting of the IAU, Vol.5. Ciel et Terre, 106, 32.

Manfroid, J. (1990). Clusters of galaxies -- W. V. Oegerle et al. Ciel et Terre, 106, 147.

Manfroid, J. (1990). Astronomie CCD -- C. Buyl. Ciel et Terre, 106, 61.

Manfroid, J., & Arpigny, C. (1990). A propos de la réfraction atmosphérique. De curieuses images du ciel. Ciel et Terre, 106, p. 77-79.

Bouchet, P., Slezak, E., Le Bertre, T., Moneti, A., & Manfroid, J. (01 November 1989). Infrared photometry and spectrophotometry of SN 1987A. I - March to October 1987 observations. Astronomy and Astrophysics. Supplement Series, 80, 379-397.

Manfroid, J. (01 October 1989). Aux confins du système solaire. Ciel (Le), 51, p. 370-379.

Manfroid, J., & Renson, P. (01 October 1989). Photometric variations of 46 Eridani and 210 G. Eridani. Astronomy and Astrophysics, 223, 187-195.

Manfroid, J., & Houziaux, L. (01 September 1989). The May-July 1989 Crisis of V348 Sgr. Information Bulletin on Variable Stars, 3375, 1.

Gosset, E., Vreux, J.-M., Manfroid, J., Sterken, C., Walker, E. N., & Haefner, R. (01 May 1989). Analysis of the photometric variability of WR40. Monthly Notices of the Royal Astronomical Society, 238, 97-113. doi:10.1093/mnras/238.1.97

Manfroid, J. (01 March 1989). On the Light Curve of HD 27563. Information Bulletin on Variable Stars, 3297, 1-4.

Gosset, E., Vreux, J.-M., Manfroid, J., Sterken, C., & Remy, M. (1989). New results on the variability of some WN stars. In K. Davidson, A. F. J. Moffat, ... H. J. G. L. M. Lamers (Eds.), Physics of Luminous Blue Variables (pp. 307). Dordrecht, Netherlands: Kluwer Acad. Pub.

Manfroid, J. (1989). The Planetary system -- D. Morrison et T. Owen. Ciel et Terre, 105, 118.

Manfroid, J. (1989). The planet Neptune -- Patrick Moore. Ciel et Terre, 105, 85.

Manfroid, J. (1989). The Outer Galaxy -- L. Blitz et F. J. Lockman. Ciel et Terre, 105, 27.

Manfroid, J. (1989). The Guide to Amateur Astronomy -- Jack Newton et Philip Teece. Ciel et Terre, 105, 20.

Manfroid, J. (1989). Ordinateur et cosmos, par les rédacteurs des Editions Time-Life. Ciel et Terre, 105, 115.

Manfroid, J. (1989). Observational Astrophysics -- Pierre Léna. Ciel et Terre, 105, 26.

Manfroid, J. (1989). Numerical Recipes in C - The Art of Scientific Computing -- William H. Press, Brian P. Flannery, Saul A. Teukolsky, William T. Vetterling. Ciel et Terre, 105, 22.

Manfroid, J. (1989). Night sky photography -- H. J. P. Arnold. Ciel et Terre, 105, 85.

Manfroid, J. (1989). Neptune: l'apothéose de la mission Voyager. Ciel et Terre, 105, p. 125-130.

Manfroid, J. (1989). Le ciel et les étoiles -- J. W. Ekrutt. Ciel et Terre, 105, 84.

Manfroid, J. (1989). L'astronomie au quotidien -- G. Leblanc et J. Lomont. Ciel et Terre, 105, 56.

Manfroid, J. (1989). L'année de la science - 1986 -- R. Caratini. Ciel et Terre, 105, 115.

Manfroid, J. (1989). Knowledge-based systems in astronomy - Lecture Notes in Physics 329, édité -- A. Heck et F. Murtagh. Ciel et Terre, 105, 120.

Manfroid, J. (1989). High Speed Astronomical Photometry -- Brian Warner. Ciel et Terre, 105, 21.

Manfroid, J. (1989). Guide du ciel pour astronomes amateurs - Guide d'identification -- M. R. Chartrand III et H. K. Wimmer. Ciel et Terre, 105, 114.

Manfroid, J. (1989). Getting the measure of the stars -- W. A. Cooper et E. N. Walker. Ciel et Terre, 105, 117.

Manfroid, J. (1989). Fundamental Astronomy -- H. Karttunen, P. Kröger, H. Oja, M. Poutanen et K. J. Donner. Ciel et Terre, 105, 22.

Manfroid, J. (1989). Etoile par étoìle - Guide Touristique de l'Univers -- P. Bianucci. Ciel et Terre, 105, 56.

Manfroid, J. (1989). Eclipse -- D. Allen et C. Allen. Ciel et Terre, 105, 116.

Manfroid, J. (1989). Dark matter, édité -- J. Audouze et J. Tran Thanh Van. Ciel et Terre, 105, 120.

Manfroid, J. (1989). Bibliographie: Knowledge-based systems in astronomy - Lecture Notes in Physics 329, édité -- A. Heck et F. Murtagh. Ciel et Terre, 105, 120.

Manfroid, J. (1989). Astrophysical Concepts, seconde édition -- Martin Harwit. Ciel et Terre, 105, 59.

Manfroid, J. (1989). A manual of advanced celestial photography -- Brad D. Wallis et Robert W. Provin. Ciel et Terre, 105, 21.

Robe, H., & Manfroid, J. (1989). Quelques commentaires sur la quadrichromie de couverture: La galaxie M51 des Chiens de Chasse. Ciel et Terre, 105, p. 62.

van Hamme, W., & Manfroid, J. (01 August 1988). The eclipsing binary system HD208496. Astronomy and Astrophysics. Supplement Series, 74, 247-250.

Arpigny, C., Dossin, F., Manfroid, J., Magain, P., & Haefner, R. (01 March 1988). Pre- and post-perihelion spectrographic and photometric observations of Comet Wilson (1986 l). Messenger, 51, 27-31.

Heck, A., & Manfroid, J. (1988). A few considerations on photometric databases. In European Southern Observatory Astrophysics Symposia (pp. 329-333).

Manfroid, J. (1988). The study of variable stars using small telescopes -- J. Percy. Ciel et Terre, 104, 28.

Manfroid, J. (1988). Statistical analysis of spherical data -- N. I. Fisher et al. Ciel et Terre, 104, 151.

Manfroid, J. (1988). SS433, un étrange objet galactique. Ciel et Terre, 104, p. 5-12.

Manfroid, J. (1988). SS433, un étrange objet galactique. Ciel et Terre, 104, p. 3.

Manfroid, J. (1988). Spectroscopy of astrophysical plasmas -- A. Dalgarno et D. Layzer. Ciel et Terre, 104, 62.

Manfroid, J. (1988). Physics of the Stars -- A. Slettebak et T. P. Snow. Ciel et Terre, 104, 29.

Manfroid, J. (1988). Physics of the Galaxy and Interstellar Matter -- H. Scheffler et H. Elsässer. Ciel et Terre, 104, 149.

Manfroid, J. (1988). Organic Geo- and Cosmochemistry, Topics in Current Chemistry, Vol. 139. Ciel et Terre, 104, 150.

Manfroid, J. (1988). Nearby galaxies Catalog -- R. B. Tully. Ciel et Terre, 104, 149.

Manfroid, J. (1988). Nearby Galaxies Atlas -- R. B. Tully et J. R. Fisher. Ciel et Terre, 104, 93.

Manfroid, J. (1988). La comète de Halley, CNRS. Ciel et Terre, 104, 91.

Manfroid, J. (1988). Interstellar Magnetic Fields-Observation and Theory -- R. Beck et R. Gräve. Ciel et Terre, 104, 95.

Manfroid, J. (1988). Exploring the southern sky -- S. Lautsen et al. Ciel et Terre, 104, 91.

Manfroid, J. (1988). Comets to Cosmology -- Results from the IRAS satellite -- A. Lawrence. Ciel et Terre, 104, 148.

Manfroid, J. (1988). Astronomical Optics -- D. J. Schroeder. Ciel et Terre, 104, 147.

Page, A. A., Nielsen, G. E., Jones, K. L., Carter, B. D., Manfroid, J., & Sterken, C. (1988). Photoelectric photometry of Comet Halley from Mt Tamborine observatory. Vistas in Astronomy, 31, 165-166. doi:10.1016/0083-6656(88)90197-3

Sterken, C., & Manfroid, J. (1988). Service Observing at ESO - Photometry of Variable Stars. In Coordination of Observational Projects in Astronomy (pp. 127).

Manfroid, J., & Sterken, C. (01 December 1987). Instrumental effects and the Stroemgren photometric system. Astronomy and Astrophysics. Supplement Series, 71, 539-555.

Arpigny, C., Magain, P., Manfroid, J., Dossin, F., Danks, A. C., & Lambert, D. L. (01 November 1987). Resolution of the OI + NH2 Blend in Comet p/ Halley. Astronomy and Astrophysics, 187, 485.

Heck, A., & Manfroid, J. (01 November 1987). CDS Special Publication no 10. IDAAS 1988. Bulletin d'Information du Centre de Données Stellaires, 33, 183.

Sterken, C., Manfroid, J., & Arpigny, C. (01 November 1987). Photometry of p/ Halley 1982I. Astronomy and Astrophysics, 187, 523.

Manfroid, J., Gosset, E., & Vreux, J.-M. (01 October 1987). Which photometric period for WR 16? Astronomy and Astrophysics, 185, 7-L9.

Arpigny, C., Manfroid, J., Magain, P., & Haefner, R. (1987). On the forbidden red lines of oxygen in comets. In Diversity and Similarity of Comets (pp. 571-576).

Houziaux, L., Bouchet, P., Heck, A., & Manfroid, J. (01 September 1987). Hot carbon stars - More about V348 SGR. Quarterly Journal of the Royal Astronomical Society, 28, 231-238.

Sterken, C., & Manfroid, J. (1987). Narrow-band photometry of Comet P/Giacobini-Zinner at the time of ICE encounter. In Diversity and Similarity of Comets (pp. 191-194). ESA.

Sterken, C., Manfroid, J., Hutsemekers, D., & Arpigny, C. (1987). Photoelectric scans of comet Halley. In Diversity and Similarity of Comets (pp. 211-215).

Heck, A., Mathys, G., & Manfroid, J. (01 July 1987). Photometric variability of some CP stars. Astronomy and Astrophysics. Supplement Series, 70, 33-48.

Manfroid, J., Oblak, E., & Pernier, B. (01 June 1987). UVBY observations of A, F, G and K field stars. Astronomy and Astrophysics. Supplement Series, 69, 505-517.

Vreux, J.-M., Manfroid, J., Scuflaire, R., & Magain, P. (01 June 1987). HD 151932 variability revisited [letter to the editor]. Astronomy and Astrophysics, 180, 17-L19.

Magain, P., Vreux, J.-M., & Manfroid, J. (01 May 1987). Photometric Observations of WR78 = HD 151932. Information Bulletin on Variable Stars, 3022, 1-2.

Manfroid, J., Heck, A., Lunel, M., & Bergeat, J. (01 April 1987). Evolution of the periodicity of the W UMa system Epsilon CrA. Astronomy and Astrophysics, 176, 180-182.

Wolf, B., Sterken, C., Stahl, O., & Manfroid, J. (01 March 1987). Long-term photometric campaign at ESO and the new eclipsing P Cygni star R 81 in the LMC. Messenger, 47, 10-13.

Arpigny, C., Magain, P., Manfroid, J., Dossin, F., & Haefner, R. (1987). Resolution of the [O I]+NH[SUB]2[/SUB] blend in comets. In Liege International Astrophysical Colloquia (pp. 315).

Bouchet, P., Le Bertre, T., Manfroid, J., Stanga, R., & Moneti, A. (1987). Low and intermediate resolution IR spectroscopy. In European Southern Observatory Astrophysics Symposia (pp. 159-165).

Bouchet, P., Le Bertre, T., Manfroid, J., Stanga, R., & Moneti, A. (1987). Infrared photometry of SN 1987A - The first four months. In European Southern Observatory Astrophysics Symposia (pp. 79-85).

Heck, A., & Manfroid, J. (1987). Litterae Uraniae: Dates de fondation des sociétés astronomiques. Ciel et Terre, 103, p. 11.

Heck, A., & Manfroid, J. (01 January 1987). L'énigme de Sirius. Ciel et espace, 215, p. 30-33.

Heck, A., & Manfroid, J. (1987). International Directory of Astronomical Associations and Societies. I.D.A.A.S. 1988. In International Directory of Astronomical Associations and Societies. I.D.A.A.S 1988 (pp. 1-516).

Heck, A., & Manfroid, J. (1987). International Directory of Astronomical Associations and Societies, 1988. In International Directory of Astronomical Associations and Societies - IDAAS 1988 (pp. 516).

Heck, A., & Manfroid, J. (1987). International Directory of Astronomical Associations and Societies 1986. Bulletin d'Information du Centre de Données Stellaires, 32, 132.

Heck, A., & Manfroid, J. (1987). International Directory of Astronomical Associations and Societies 1986. Bulletin d'Information du Centre de Données Stellaires, 33, 188.

Houziaux, L., & Manfroid, J. (1987). Spectral energy distribution and interstellar reddening. In IAU Colloq. 92: Physics of Be Stars (pp. 172-190).

Kleczek, J., Minnaert, M. G. J., Allen, D. A., Ceplechka, Z., Ferraz Mello, S., Gordon, K. J., Houziaux, L., Jaschek, C., Kopal, Z., Manfroid, J., Palouš, J., Podolský, J., Quast, G. R., Surdej, J., Underhill, A. B., Vreux, J.-M., & Wentzel, D. G. (1987). Exercises in astronomy. In Exercises in astronomy.. J. Kleczek (Editor).Revised and extended edition of "Practical work in elementary astronomy" by M. G. J. Minnaert. D. ReidelPublishing Co., Dordrecht, The Netherlands. 24+339 pp. Price Dfl. 140.00, US 64.00, £ 49.50 cloth; Dfl. 59.00, US 19.50, £ 18.00 paper (1987). ISBN 90-277-2409-1 cloth, ISBN 90-277-2423-7 paper.

Manfroid, J. (1987). The quest for SS433 -- D. H. Clark. Ciel et Terre, 103, 64.

Manfroid, J. (1987). The Galaxy and the solar system -- R. Smoluchowski. Ciel et Terre, 103, 128.

Manfroid, J. (1987). The Cambridge Astronomy Guide - A practical introduction to astronomy -- B. Liller et B. Mayer. Ciel et Terre, 103, 65.

Manfroid, J. (1987). The analysis of Starlight -- J. B. Hearnshaw. Ciel et Terre, 103, 125.

Manfroid, J. (1987). Stellar Populations -- O. A. Norman et al. Ciel et Terre, 103, 166.

Manfroid, J. (1987). Planètes et satellites -- R. Dejaiffe. Ciel et Terre, 103, 61.

Manfroid, J. (1987). Numerical Recipes - The Art of Scientific Computing -- W. H. Press et al. Ciel et Terre, 103, 164.

Manfroid, J. (1987). Notre article de synthèse: Que nous a appris la comète de Halley? Ciel et Terre, 103, p. 135.

Manfroid, J. (1987). L'astronomie dans le monde. Ciel (Le), 49, p. 300-302.

Manfroid, J. (1987). Instabilities in Space and Laboratory Plasmas -- D. Melrose. Ciel et Terre, 103, 96.

Manfroid, J. (1987). Halley, premier bilan. Ciel (Le), 49, p. 356-361.

Manfroid, J. (1987). Guide de l'astronomie d'amateur -- Ph. de la Cotardière. Ciel et Terre, 103, 123.

Manfroid, J. (1987). Exploring the night sky with binoculars -- P. Moore. Ciel et Terre, 103, 94.

Manfroid, J. (1987). Découvrir le ciel; Le guide de l'astronomie facile -- J. L. Halbwachs. Ciel et Terre, 103, 162.

Manfroid, J. (1987). De l'autre côté du Soleil -- J. -L. Bertaux. Ciel et Terre, 103, 162.

Manfroid, J. (1987). D'une planète à l'autre -- A. Ducrocq. Ciel et Terre, 103, 24.

Manfroid, J. (1987). Cosmic magnetism -- P. Seymour. Ciel et Terre, 103, 127.

Manfroid, J. (1987). Astronomy with your personal computer -- P. Duffet-Smith. Ciel et Terre, 103, 164.

Sterken, C., & Manfroid, J. (1987). Quasi-consistent filter passbands and the homogeneity of photometric indices. In Liege International Astrophysical Colloquia (pp. 55-74).

Sterken, C., & Manfroid, J. (1987). Photometry of comets. In Proceedings International Halley Seminar, p. 103, 1987 (pp. 103).

Arpigny, C., Dossin, F., Zucconi, J. M., Andrillat, Y., Manfroid, J., & Hutsemekers, D. (1986). Long-slit pre and postperihelion spectrography of Comet P/Halley. In ESLAB Symposium on the Exploration of Halley's Comet (pp. 471-474).

Arpigny, C., Magain, P., Manfroid, J., Dossin, F., Danks, A. C., & Lambert, D. (1986). Resolution of the (OI) + NH2 blend in Comet P/Halley. In ESLAB Symposium on the Exploration of Halley's Comet (pp. 81-86).

Heck, A., & Manfroid, J. (01 December 1986). International Directory of Astronomical Associations and Societies - I.D.A.A.S. 1986. Sky and Telescope, 72, p. 595.

Sterken, C., Manfroid, J., & Arpigny, C. (1986). Pre- and postperihelion photometry of Comet Halley from several observatories. In ESLAB Symposium on the Exploration of Halley's Comet (pp. 445-450). ESA.

Heck, A., & Manfroid, J. (01 November 1986). CDS Special Publication n° 9: International Directory of Professional Astronomical Institutions 1987. Bulletin d'Information du Centre de Données Stellaires, 31, 235.

Sterken, C., Jerzykiewicz, M., & Manfroid, J. (01 November 1986). The variability of SPICA. Astronomy and Astrophysics, 169, 166-170.

Sterken, C., Snowden, M., Africano, J., Antonelli, P., Catalano, F. A., Chahbenderien, M., Chavarria, C., Crinklaw, G., Cohen, H. L., Costa, V., de Lara, E., Delgado, A. J., Ducatel, D., Fried, R., Fu, H.-H., Garrido, R., Gilles, K., Gonzalez, S. S., Goodrich, B., ... van der Linden, D. (01 October 1986). BW Vulpeculae - A coordinated campaign of photoelectric photometry from thirteen observatories. Astronomy and Astrophysics. Supplement Series, 66, 11-35.

Arpigny, C., Dossin, F., Manfroid, J., Danks, A. C., & Lambert, D. L. (01 September 1986). Spectroscopy, photometry and direct filter imagery of Comet P/Halley. Messenger, 45, 8-13.

Heck, A., & Manfroid, J. (01 September 1986). L'énigme de Sirius. Ciel (Le), 48, p. 310-313.

Manfroid, J., & Mathys, G. (01 April 1986). Photometric variability of southern CP stars. Astronomy and Astrophysics. Supplement Series, 64, 9-19.

Heck, A., & Manfroid, J. (01 March 1986). International Directory of Professional Astronomical Institutions. Bulletin d'Information du Centre de Données Stellaires, 30, 209.

Heck, A., & Manfroid, J. (01 March 1986). International Directory of Astronomical Associations and Societies 1986 (IDAAS). Bulletin d'Information du Centre de Données Stellaires, 30, 214.

Manfroid, J., Haefner, R., & Bouchet, P. (01 March 1986). New evidence for a ring around Neptune. Astronomy and Astrophysics, 157, 3-L5.

Mathys, G., Manfroid, J., & Renson, P. (01 March 1986). Photometric variability of some early-type stars. Astronomy and Astrophysics. Supplement Series, 63, 403-416.

Heck, A., & Manfroid, J. (1986). Titres des périodiques astronomiques. Ciel et Terre, 102, p. 121.

Heck, A., & Manfroid, J. (1986). International Directory of Professional Astronomical Institutions - IDPAI 1987. In International Directory of Professional Astronomical Institutions - IDPAI 1987, Publ. Spec. CDS 9 (1986), iv + 276pp (pp. 1-276).

Heck, A., & Manfroid, J. (1986). International Directory of Astronomical Associations and Societies 1986 (IDAAS).

Manfroid, J. (1986). Uranus. Une autre planète bleue. Ciel (Le), 48, p. 164-171.

Manfroid, J. (1986). The wonderful apparitions - The story of Halley's comet -- R. B. Peterson. Ciel et Terre, 102, 176.

Manfroid, J. (1986). Le grand rendez-vous du 24 janvier 1986...: Voyager 2 à  la découverte d'Uranus. Ciel et Terre, 102, p. 39.

Manfroid, J. (1986). Halley, le roman des comètes -- A. C. Levasseur-Regourd, P. de la Cotardière. Ciel et Terre, 102, 174.

Manfroid, J. (1986). Astronomy for the under tens -- P. Moore. Ciel et Terre, 102, 172.

Manfroid, J., Haefner, R., & Bouchet, P. (1986). Qu'y a-t-il autour de Neptune? Ciel (Le), 48, p. 212-214.

Manfroid, J., & Heck, A. (1986). A propos de la couleur de Sirius. Ciel et Terre, 102, p. 151.

Haefner, R., Manfroid, J., & Bouchet, P. (01 December 1985). Discovery of Neptune's ring at La Silla. Messenger, 42, 10-12.

Heck, A., & Manfroid, J. (01 November 1985). International Directory of Astronomical Associations and Societies 1986 (IDAAS). Bulletin d'Information du Centre de Données Stellaires, 29, 113-114.

Hubbard, W. B., Brahic, A., Bouchet, P., Elicer, L. R., Haefner, R., Manfroid, J., Roques, F., Sicardy, B., & Vilas, F. (01 November 1985). Occultation detection of a Neptune ring segment. Journal of Geophysical Research. Supplement, 90, 35-37.

Vreux, J.-M., & Manfroid, J. (01 November 1985). Photometry of the Wolf-Rayet Star HD 191765. Information Bulletin on Variable Stars, 2821, 1-4.

Vreux, J.-M., & Manfroid, J. (01 November 1985). Photometry of the G8V Star HD 192020. Information Bulletin on Variable Stars, 2822, 1-2.

Heck, A., Houziaux, L., Manfroid, J., Jones, D. H. P., & Andrews, P. J. (01 September 1985). Photometric variations of the irregular variable V348 SGR. Astronomy and Astrophysics. Supplement Series, 61, 375-385.

Haefner, R., & Manfroid, J. (01 July 1985). Discovery of a ring around Neptune. Sterne und Weltraum, 24, p. 382-384.

Heck, A., & Manfroid, J. (01 June 1985). Catch the Minima: A Real Challenge on V348 Sgr. International Amateur-Professional Photoelectric Photometry Communications, 20, 31.

Mathys, G., Manfroid, J., & Heck, A. (01 May 1985). Is HD 23878 A Mild CP Star? Information Bulletin on Variable Stars, 2738, 1.

Mathys, G., & Manfroid, J. (01 April 1985). On the shape of the UVBY lightcurves of CP stars. Astronomy and Astrophysics. Supplement Series, 60, 17-42.

Sterken, C., Hensberge, H., Vander Linden, D., Duerbeck, H. W., Manfroid, J., & Stahl, O. (01 April 1985). The eclipsing variable HR 2800. Astronomy and Astrophysics. Supplement Series, 60, 1-4.

Hubbard, W. B., Brahic, A., Bouchet, P., Elicer, L.-R., Haefner, R., Manfroid, J., Roques, F., Sicardy, B., & Vilas, F. (1985). Occultation Detection of a Neptune Ring Segment. In Lunar and Planetary Institute Science Conference Abstracts (pp. 368-369).

Manfroid, J., & Mathys, G. (01 March 1985). New period determinations for variable CP stars. Astronomy and Astrophysics. Supplement Series, 59, 429-432.

Manfroid, J., Mathys, G., & Heck, A. (01 March 1985). Photometric variations of HD 25267. Astronomy and Astrophysics, 144, 251-253.

Heck, A., & Manfroid, J. (01 January 1985). Variations in the variability of RR Tel. Astronomy and Astrophysics, 142, 341-345.

Heck, A., & Manfroid, J. (1985). On the Homogenization of Photometric Data. In Calibration of Fundamental Stellar Quantities, Eds. D.S. Hayes, L.E. Pasinetti & A.G.D. Philip, D. Reidel Publ. Co., Dordrecht (1985) p. 565-567 (pp. 565-567).

Heck, A., & Manfroid, J. (1985). Mira's role in RR Tel revisited. In Cool Stars with Excesses of Heavy Elements (pp. 349-352).

Heck, A., & Manfroid, J. (1985). International Directory of Astronomical Associations and Societies - IDAAS 1986. In International Directory of Astronomical Associations and Societies - IDAAS 1986, Publ. Spec. CDS 8 (1985), iv + 266pp (pp. 1-266).

Heck, A., & Manfroid, J. (1985). Catch the Minima - a Real Challenge on V348-SAGITTARII. International Amateur-Professional Photoelectric Photometric Communications, 20.

Heck, A., & Manfroid, J. (1985). A Real Challenge: The minimums of V348 Sgr. Bulletin de l'Association Francaise d'Observateurs d'Etoiles Variables, 33, 11-15.

Heck, A., Manfroid, J., & Mersch, G. (01 January 1985). On period determination methods. Astronomy and Astrophysics. Supplement Series, 59, 63-72.

Hubbard, W. B., Brahic, A., Bouchet, P., Elicer, L.-R., Haefner, R., Manfroid, J., Roques, F., Sicardy, B., & Vilas, F. (1985). Occultation detection of a Neptune ring segment. LPI Contributions, 559, 35.

Manfroid, J. (1985). The stability and accuracy of the uvby system. In Calibration of Fundamental Stellar Quantities (pp. 505-507).

Manfroid, J. (1985). On photometric standards and color transformation. In Calibration of Fundamental Stellar Quantities (pp. 495-498).

Manfroid, J. (1985). Comètes particulières et fragmentation des noyaux. Ciel et Terre, 101, p. 199.

Manfroid, J., & Heck, A. (1985). On the homogenization of photometric data. In Calibration of Fundamental Stellar Quantities (pp. 565-567).

Manfroid, J. (01 December 1984). Stability and accuracy of the UVBY system. Astronomy and Astrophysics, 141, 101-104.

Manfroid, J., Mathys, G., & Cousins, A. W. J. (01 November 1984). On the He Weak Variable HD 28843. Information Bulletin on Variable Stars, 2625, 1-2.

Manfroid, J., & Mathys, G. (01 October 1984). The Bright Eclipsing Binary HD 208496. Information Bulletin on Variable Stars, 2616, 1-2.

Roques, F., Sicardy, B., Bouchet, P., Brahic, A., Hâfner, R., Lecacheux, J., & Manfroid, J. (1984). Possible detection of a 10-kilometer sized object around Neptune. In Bulletin of the American Astronomical Society (pp. 1027-1028).

Hafner, R., & Manfroid, J. (01 August 1984). 1984 N1. International Astronomical Union Circulars, 3968, 2.

Heber, U., Heck, A., Houziaux, L., Manfroid, J., & Schoenberner, D. (1984). An estimate of V348 SGR effective temperature. In Fourth European IUE Conference (pp. 367-370).

Heck, A., & Manfroid, J. (01 July 1984). Cyclic RR Telescopii. Sky and Telescope, 68, p. 4.

Manfroid, J., Gutierrez, F., Hafner, R., & Vega, R. (01 July 1984). Appulse of SAO 186001 to Neptune. International Astronomical Union Circulars, 3962, 1.

Manfroid, J., & Mathys, G. (01 July 1984). On the Photometric Variations of HD 28843 and HD 29009. Information Bulletin on Variable Stars, 2551, 1.

Heck, A., Manfroid, J., & Percy, J. R. (01 April 1984). HD 172256 Revisited. Information Bulletin on Variable Stars, 2501, 1-4.

Heck, A., & Manfroid, J. (01 March 1984). Fifth Edition of the International Directory of Amateur Astronomical Societies. Bulletin d'Information du Centre de Données Stellaires, 26, 129.

Hensberge, H., Manfroid, J., Renson, P., Schneider, H., Catalano, F. A., Weiss, W. W., Floquet, M., & Maitzen, H. M. (01 March 1984). The frequency of Ap-stars with long rotation periods. Astronomy and Astrophysics, 132, 291-295.

Manfroid, J., & Heck, A. (01 March 1984). On the accuracy of the reduction of UVBY photometry. Astronomy and Astrophysics, 132, 110-114.

Manfroid, J., Lunel, M., Bergeat, J., & Bouchet, P. (01 February 1984). On the Period of the W UMa System epsilon CrA. Information Bulletin on Variable Stars, 2479, 1-2.

Renson, P., Manfroid, J., Heck, A., & Mathys, G. (01 February 1984). Période photométriqe de l'étoile Ap HR 3831. Astronomy and Astrophysics, 131, 63-66.

Heck, A., & Manfroid, J. (1984). International directory of amateur astronomical societies. - IDAAS 1984. In International directory of amateur astronomical societies. - IDAAS 1984 (pp. 1-278).

Heck, A., & Manfroid, J. (1984). International Directory of Amateur Astronomical Societies. In International Directory of Amateur Astronomical Societies - IDAAS 1984 (pp. 1-278).

Mathys, G., & Manfroid, J. (1984). L'Observatoire de Haute-Provence. Ciel et Terre, 100, p. 87.

Sterken, C., Snowden, M., Young, A., Margrave, T., Alvarez, M., Antonelli, P., Catalano, F., Chahbenderian, M., Chavarria, C., Cohen, H. L., Costa, V., de Lara, E., Delgado, A. J., Ducatel, D., Fried, R., Fu, H. H., Garrido, R., Gonzalez, S., Hensberge, H., ... Vander Linden, D. (1984). The international photometric observing campaign on BW Vul: first results. In Theoretical Problems in Stellar Stability and Oscillations (pp. 103-107).

Sterken, C., Snowden, M., Young, A., Margrave, T., Alvarez, M., Antonelli, P., Catalano, F., Chahbenderian, M., Chavarria, C., Cohen, H. L., Costa, V., de Lara, E., Delgado, A. J., Ducatel, D., Fried, R., Fu, H. H., Garrido, R., Gonzalez, S., Hensberge, H., ... Vander Linden, D. (1984). The International Photometric Observing Campaign on BW VUL : First Results. In Liege International Astrophysical Colloquia (pp. 103-107).

Manfroid, J., & Heck, A. (1983). Statistical determination of the precision obtained by a photometric reduction algorithm. In Statistical Methods in Astronomy (pp. 123-124).

Manfroid, J., Heck, A., & Mersch, G. (1983). Comparative study of period determination methods. In Statistical Methods in Astronomy (pp. 117-121).

Manfroid, J., & Heck, A. (01 April 1983). A generalized algorithm for efficient photometric reductions. Astronomy and Astrophysics, 120, 302-306.

Manfroid, J., & Renson, P. (01 April 1983). Nouvelle recherche de periodes d'etoiles Ap observees a ESO-VII. Information Bulletin on Variable Stars, 2311, 1.

Penston, M. V., Benvenuti, P., Cassatella, A., Heck, A., Selvelli, P., Macchetto, F., Ponz, D., Jordan, C., Cramer, N., Rufener, F., & Manfroid, J. (01 March 1983). IUE and other new observations of the slow nova RR Tel. Monthly Notices of the Royal Astronomical Society, 202, 833-857.

Manfroid, J., & Renson, P. (01 February 1983). A photometric study of southern Ap stars having right ascensions on the order of 12 h. Astronomy and Astrophysics. Supplement Series, 51, 267-276.

Heck, A., & Manfroid, J. (01 December 1982). The variability of RR Tel. Messenger, 30, 6-9.

Heck, A., & Manfroid, J. (01 September 1982). Is HD 90994 a "Reduction Variable"? Information Bulletin on Variable Stars, 2199, 1-4.

Heck, A., & Manfroid, J. (01 September 1982). A Note on Two Be Stars. Information Bulletin on Variable Stars, 2198, 1-7.

Heck, A., Houziaux, L., & Manfroid, J. (01 August 1982). August 1981 Crisis of V348 Sgr. Information Bulletin on Variable Stars, 2184, 1-4.

Heck, A., & Manfroid, J. (1982). International Directory of Amateur Astronomical Societies. - IDAAS. In International Directory of Amateur Astronomical Societies. - IDAAS (pp. 1-308).

Heck, A., & Manfroid, J. (1982). A New Light on V348 Sgr. Bulletin de l'Association Francaise d'Observateurs d'Etoiles Variables, 21, 106-108.

Manfroid, J., & Schneider, H. (1982). Observational Material / Ap-Stars. A Peculiar Newsletter, 8, 10.

Heck, A., & Manfroid, J. (1981). International Directory of Amateur Astronomical Societies - IDAAS 1982. In International Directory of Amateur Astronomical Societies - IDAAS 1982 (1981), iv + 304pp (pp. 1-304).

Manfroid, J., & Renson, P. (01 October 1981). Variations Photometriques et Periode de HR 2971 (note Rectificative a l'IBVS no 2004). Information Bulletin on Variable Stars, 2032, 1-2.

Manfroid, J., & Renson, P. (01 August 1981). Nouvelle recherche de periodes d'etoiles Ap observees a l'ESO-VI. Information Bulletin on Variable Stars, 2004, 1-3.

Renson, P., & Manfroid, J. (01 April 1981). Photometric variations in Ap stars observable at La Silla in November and December. Astronomy and Astrophysics. Supplement Series, 44, 23-32.

Heck, A., & Manfroid, J. (1981). International Directory of Amateur Astronomical Societies - IDAAS 1981. In International Directory of Amateur Astronomical Societies - IDAAS 1981 (1981), iv + 300pp (pp. 1-300).

Penston, M. V., Benvenuti, P., Cassatella, A., Heck, A., Selvelli, P., Ponz, D., Macchetto, F., Jordan, C., Cramer, N., Rufener, F., & Manfroid, J. (1981). IUE and other new observations of the slow nova RR Tel. In NASA Conference Publication (pp. 469-470).

Heck, A., & Manfroid, J. (01 December 1980). Uvby-Beta Photometry of Equatorial and Southern Bright Stars - Part Two. Astronomy and Astrophysics. Supplement Series, 42, 311-318.

Manfroid, J., & Renson, P. (01 July 1980). Nouvelle Recherche de Periodes d'etoiles Ap Observées a l'ESO-V. Information Bulletin on Variable Stars, 1824, 1-3.

Renson, P., & Manfroid, J. (01 March 1980). Nouvelle Recherche de Periodes d'etoiles Ap Observees a l'ESO-IV. Information Bulletin on Variable Stars, 1755, 1.

Manfroid, J. (1980). Photometry of southern stars in the uvby system. Bulletin de la Société Royale des Sciences de Liège, 49, 425-432.

Heck, A., & Manfroid, J. (1979). International Directory of Amateur Astronomical Societies - IDAAS 1979. In International Directory of Amateur Astronomical Societies - IDAAS 1979 (1979), ii + 288pp (pp. 1-288).

Renson, P., & Manfroid, J. (01 August 1979). New Research for Periods of Ap Stars Observed at the ESO - III. Information Bulletin on Variable Stars, 1658, 1.

Manfroid, J. (1979). On the spectrum of H II regions. Bulletin de l'Academie Royale de Belgique, 65, 16-30.

Manfroid, J. (1979). Les grands anniversaires en sciences: Bernhard Schmidt (1879 - 1935). Ciel et Terre, 95, p. 139-141.

Renson, P., & Manfroid, J. (01 December 1978). Photometric variations of southern Ap stars. Astronomy and Astrophysics. Supplement Series, 34, 445-452.

Renson, P., & Manfroid, J. (01 July 1978). Nouvelles Recherches de Periodes d'etoiles Ap Observées a l'ESO. - II. Information Bulletin on Variable Stars, 1451, 1-2.

Heck, A., & Manfroid, J. (1978). International Directory of Amateur Astronomical Societies - IDAAS 1978. In International Directory of Amateur Astronomical Societies - IDAAS 1978 (1978), ii + 110pp (pp. 110).

Manfroid, J. (01 February 1978). On the effects of inhomogeneities in high excitation H II regions. Astrophysics and Space Science, 53, 479-487. doi:10.1007/BF00645035

Heck, A., & Manfroid, J. (1978). International directory of amateur astronomical societies.

Renson, P., Heck, A., & Manfroid, J. (01 January 1978). Photometric variations and period of the spectrum variable HR 3413. Astronomy and Astrophysics. Supplement Series, 31, 199-203.

Manfroid, J. (01 November 1977). On the evolution of an H II region and the structure of its ionization fronts. Astronomy and Astrophysics, 61, 437-442.

Manfroid, J. (01 June 1977). Some effects of shocks in H II regions. Astronomy and Astrophysics, 58, 437-438.

Manfroid, J. (01 June 1977). Evolution of a low density H II region. Astronomy and Astrophysics, 58, 295-296.

Manfroid, J. (01 May 1977). The forbidden line spectrum in the edges of H II regions. Astrophysics and Space Science, 48, 293-296. doi:10.1007/BF00648117

Manfroid, J. (01 May 1977). On the Emission Spectrum of Orion. Astronomy and Astrophysics, 57, 303.

Danks, A. C., & Manfroid, J. (01 April 1977). Ionization fronts in RCW 107 (NGC 6164/5). Astronomy and Astrophysics, 56, 443-446.

Heck, A., & Manfroid, J. (1977). Astronomical photographic atlas. Belgium: Desoer.

Feinstein, A., Garnier, R., Vogt, N., Swings, J.-P., Heck, A., & Manfroid, J. (01 September 1976). Variations in the U, B, V and u, v, b, Y magnitudes of the peculiar Be star HD 45677. Astronomy and Astrophysics, 51, 269-273.

Manfroid, J. (01 September 1976). On the spectrum of recombining H II regions. Astronomy and Astrophysics, 51, 219-221.

Manfroid, J. (01 September 1976). A model for the bright rim in RCW 62. Astronomy and Astrophysics, 51, 235-237.

Heck, A., Manfroid, J., & Renson, P. (01 July 1976). uvby photometry of some Ap stars. Astronomy and Astrophysics. Supplement Series, 25, 143-149.

Manfroid, J. (01 May 1976). On the evolution of ionized gas around hot stars. Astrophysics and Space Science, 41, 39-56. doi:10.1007/BF00684571

Danks, A. C., & Manfroid, J. (01 April 1976). A bright rim in RCW 62. Astronomy and Astrophysics, 48, 213-217.

Danks, A. C., Houziaux, L., & Manfroid, J. (01 February 1976). Observations of southern nebulae. Astrophysics and Space Science, 39, 307-311. doi:10.1007/BF00648331

Danks, A. C., & Manfroid, J. (1976). The Bright Rim IC2948. In Southwest Regional Conference for Astronomy and Astrophysics (pp. 157).

Manfroid, J. (01 January 1976). Decay of Forbidden Lines in a Recombining H N Region. Astronomy and Astrophysics, 46, 31.

Renson, P., Manfroid, J., & Heck, A. (01 January 1976). Photometric variations of some Ap stars. Astronomy and Astrophysics. Supplement Series, 23, 413-417.

Heck, A., & Manfroid, J. (01 December 1975). ubvy photometry of some southern field stars. Astronomy and Astrophysics. Supplement Series, 22, 323-325.

Manfroid, J. (01 September 1975). Forbidden lines in a newly formed H II region. Astronomy and Astrophysics, 43, 149-152.

Manfroid, J. (1975). Sur les nébuleuses limitées en densité. Bulletin de la Société Royale des Sciences de Liège, 44, 608-612.

Manfroid, J. (1975). Numerical solution of the transfer of diffuse radiation in spherically symmetric emission nebulas. Bulletin de la Société Royale des Sciences de Liège, 44, 419-424.

Heck, A., & Manfroid, J. (01 June 1974). A simple model of stellar atmosphere. Orion: Zeitschrift für Amateur-Astronomie, 32, 95-98.

Dossin, P., Heck, A., Klutz, M., Manfroid, J., Sause, G., Swings, J.-P., & Vreux, J.-M. (1974). Observations photographiques de la comète Kohoutek (1973 f) au grand télescope de Schmidt franco-liégeois. Ciel et Terre, 90, 384-387.

Heck, A., & Manfroid, J. (1974). Les grand télescopes du Max-Planck-Institut für Astronomie. Ciel et Terre, 90, p. 284-288.

Manfroid, J. (1971). Thermal instability and Jeans criterion. Bulletin de la Société Royale des Sciences de Liège, 40, 24-36.