Jehin, E., Hmiddouch, S., Aravind, K., Manfroid, J., Benkhaldoun, Z., & Jabiri, A. (2025). TRAPPIST first post-perihelion production rates of the Interstellar comet 3I/ATLAS. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/338586.

Jehin, E., Hmiddouch, S., Aravind, K., Manfroid, J., Benkhaldoun, Z., & Jabiri, A. (2025). TRAPPIST bright comets production rates: 3I/ATLAS, 24P/Schaumasse, C/2025 T1 (ATLAS), C/2025 K1 (ATLAS) and C/2025 R2 (SWAN). ORBi-University of Liège. https://orbi.uliege.be/handle/2268/338585.

Opitom, C., Snodgrass, C., Jehin, E., Bannister, M. T., Bufanda, E., Deam, S. E., Dorsey, R. C., Ferrais, M., Hmiddouch, S., Knight, M. M., Kokotanekova, R., Leicester, B., Marsset, M., Murphy, B., Okoth, V., Ridden-Harper, R., Vander Donckt, M., Ferellec, L., Hutsemekers, D., ... Benkhaldoun, Z. (01 November 2025). Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum. Monthly Notices of the Royal Astronomical Society, 544, 31-L36. doi:10.1093/mnrasl/slaf095

https://hdl.handle.net/2268/337222

Ahuja, G., Krishnakumar, A., Ganesh, S., Hmiddouch, S., Donckt, M. V., Jehin, E., Sahu, D., & Sivarani, T. (01 October 2025). Long-term monitoring of a dynamically new comet C/2020 V2 (ZTF). Monthly Notices of the Royal Astronomical Society, 543, 1178-1195. doi:10.1093/mnras/staf1528

https://hdl.handle.net/2268/336526

Hmiddouch, S., Jehin, E., Lippi, M., Vander Donckt, M., Aravind, K., Hutsemekers, D., Manfroid, J., Jabiri, A., Moulane, Y., & Benkhaldoun, Z. (01 September 2025). Variations in the volatile-driven activity of comet C/2017 K2 (PanSTARRS) revealed by long-term multiwavelength observations. Astronomy and Astrophysics, 701, 61. doi:10.1051/0004-6361/202555864

https://hdl.handle.net/2268/336604

Hmiddouch, S., Jehin, E., Lippi, M., Vander Donckt, M., Jabiri, A., Moulane, Y., Manfroid, J., Hutsemekers, D., & Benkhaldoun, Z. (01 September 2025). Long-Term Activity and Compositional Evolution of Comet C/2017 K2(PanSTARRS) from Photometric and High-Resolution Spectroscopic Observations [Paper presentation]. The Europlanet Science Congress (EPSC) and Division for Planetary Sciences (DPS) Joint Meeting 2025, Helsinki, Finland. doi:10.5194/epsc-dps2025-1785

https://hdl.handle.net/2268/337715

Krishnakumar, A., Vander Donckt, M., Moulane, Y., Hmiddouch, S., Jehin, E., Ahuja, G., Ganesh, S., Sahu, D., Abdelhadi, J., & Benkhaldoun, Z. (01 September 2025). Investigating the Molecular Activity and Composition of Comet C/2022 E3 via Photometry and Optical Spectroscopy [Paper presentation]. The Europlanet Science Congress (EPSC) and Division for Planetary Sciences (DPS) Joint Meeting 2025, Helsinki, Finland. doi:10.5194/epsc-dps2025-1066

https://hdl.handle.net/2268/337713

Vander Donckt, M., Jehin, E., Krishnakumar, A., Adami, C., Hmiddouch, S., Manfroid, J., Ganesh, S., Benkhaldoun, Z., Delsanti, A., & Jabiri, A. (01 September 2025). Photometric and spectroscopic monitoring of the outbursting Halley-type comet 12P/Pons-Brooks [Paper presentation]. The Europlanet Science Congress (EPSC) and Division for Planetary Sciences (DPS) Joint Meeting 2025, Helsinki, Finland. doi:10.5194/epsc-dps2025-1646

https://hdl.handle.net/2268/337714

Vander Donckt, M., Jehin, E., Krishnakumar, A., Adami, C., Hmiddouch, S., Ganesh, S., Benkhaldoun, Z., Delsanti, A., & Jabiri, A. (01 September 2024). Pre-perihelion TRAPPIST monitoring of the outbursting Halley-type comet 12P/Pons-Brooks [Paper presentation]. Europlanet Science Congress 2024, Berlin, Germany. doi:10.5194/epsc2024-951

https://hdl.handle.net/2268/323920

Jehin, E., Vander Donckt, M., Hmiddouch, S., & Manfroid, J. (01 July 2024). TRAPPIST bright comets production rates: 13P/Olbers, C/2023 A3 (Tsuchinshan - ATLAS) and C/2021 S3 (PanSTARRS). The Astronomer's Telegram, 16705, 1.

https://hdl.handle.net/2268/321313

Ahuja, G., KRISHNAKUMAR , A., Sahu, D., Jehin, E., Vander Donckt, M., Hmiddouch, S., Ganesh, S., & Sivarani, T. (2024). Molecular gas production rates of Comet C/2023 A3 (Tsuchinshan - ATLAS). ORBi-University of Liège. https://orbi.uliege.be/handle/2268/320213.

https://hdl.handle.net/2268/320213

Jehin, E., Vander Donckt, M., 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.

https://hdl.handle.net/2268/314258

Jehin, E., Vander Donckt, M., Hmiddouch, S., Manfroid, J., Yoshimoto, K., Hasubick, W., Gonzalez, J. J., Gonano, V., Yoshida, S., O'Meara, S. J., Morris, C. S., & Nakano, S. (01 March 2024). Comet 12P/PONS-BROOKS. Central Bureau Electronic Telegrams, 5369, 1.

https://hdl.handle.net/2268/338921

Jehin, E., Vander Donckt, 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.

https://hdl.handle.net/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.

https://hdl.handle.net/2268/310155

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.

https://hdl.handle.net/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.

https://hdl.handle.net/2268/308344

Hmiddouch, S. (05 September 2023). Monitoring the activity and the composition of comet C/2017 K2 (PANSTARRS) [Paper presentation]. ACTIVE SMALL BODIES IN THE SOLAR SYSTEM OVER A WIDE RANGE OF HELIOCENTRIC DISTANCES.

https://hdl.handle.net/2268/313819

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.

https://hdl.handle.net/2268/307776

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.

https://hdl.handle.net/2268/313821

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.

https://hdl.handle.net/2268/313924

Moulane, Y., Bodewits, D., Hmiddouch, S., Vander Donckt, M., Lister, T., & Jehin, E. (01 August 2023). Morphology and Rotation Period of Comet C/2022 E3 (ZTF) [Poster presentation]. Asteroids, Comets, Meteors Conference, Flagstaff, United States.

https://hdl.handle.net/2268/313921

Vander Donckt, M., Krishnakumar, A., Jehin, E., Ganesh, S., Hmiddouch, S., Moulane, Y., Benkhaldoun, Z., Jabiri, A., Sahu, Z. D., & Sivarani, T. (01 August 2023). The Carbon-Chain Depletion of Recently Observed Jupiter Family Comets from Photometry and Spectroscopy [Paper presentation]. Asteroids, Comets, Meteors Conference, Flagstaff, United States.

https://hdl.handle.net/2268/313922

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.

https://hdl.handle.net/2268/302576

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

https://hdl.handle.net/2268/300441

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.

https://hdl.handle.net/2268/298255

Hmiddouch, S., Jehin, E., Moulane, Y., Jabiri, A., Vander Donckt, M., & Benkhaldoun, Z. (01 September 2022). Monitoring the activity and composition of comet C/2017K2 (PanSTARRS) with TRAPPIST telescopes [Poster presentation]. 16th Europlanet Science Congress 2022, Granada, Spain. doi:10.5194/epsc2022-593

https://hdl.handle.net/2268/297143

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.

https://hdl.handle.net/2268/296068

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.

https://hdl.handle.net/2268/293768

Hmiddouch, S., Moulane, Y., Vander Donckt, M., Jehin, E., Jabiri, A., Benkhaldoun, Z., & Sriba, H. (14 March 2022). Composition and activity of comet C/2020 M3 (ATLAS) with the TRAPPIST-North telescope [Paper presentation]. The second annual conference of the African Astronomical Society.

https://hdl.handle.net/2268/313822

Publications and communications of Said Hmiddouch