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Letawe Géraldine

Main Referenced Co-authors
Magain, Pierre  (26)
Courbin, F. (15)
Jahnke, K. (8)
Letawe, Yannick  (8)
Wisotzki, L. (8)
Main Referenced Keywords
quasar (7); galaxies: active (4); techniques: image processing (4); gravitational lensing (3); unification model (3);
Main Referenced Disciplines
Space science, astronomy & astrophysics (26)
Earth sciences & physical geography (4)
Computer science (1)

Publications (total 31)

The most downloaded
236 downloads
Magain, P., Courbin, F., Gillon, M., Sohy, S., Letawe, G., Chantry, V., & Letawe, Y. (01 January 2007). A deconvolution-based algorithm for crowded field photometry with unknown point spread function. Astronomy and Astrophysics, 461, 373-379. doi:10.1051/0004-6361:20042505 https://hdl.handle.net/2268/11837

The most cited

95 citations (OpenAlex)

Burud, I., Courbin, F., Magain, P., Lidman, C., Hutsemekers, D., Kneib, J. P., Hjorth, J., Brewer, J., Pompei, E., Germany, L., Pritchard, J., Jaunsen, A. O., Letawe, G., & Meylan, G. (February 2002). An optical time-delay for the lensed BAL quasar HE 2149-2745. Astronomy and Astrophysics, 383 (1), 71-81. doi:10.1051/0004-6361:20011731 https://hdl.handle.net/2268/32176

Schulze, S., & Letawe, G. (October 2012). Galaxy counterparts of intervening high-z sub-DLAs/DLAs and Mg ii absorbers towards gamma-ray bursts. Astronomy and Astrophysics, 546 (A20). doi:10.1051/0004-6361/201118647
Peer Reviewed verified by ORBi

Löhne, T., Augereau, J.-C., Ertel, S., Marshall, J. P., Eiroa, C., Mora, A., Absil, O., Stapelfeldt, K., Thébault, P., Bayo, A., Del Burgo, C., Danchi, W., Krivov, A. V., Lebreton, J., Letawe, G., Magain, P., Maldonado, J., Montesinos, B., Pilbratt, G. L., ... Wolf, S. (01 January 2012). Modelling the huge, Herschel-resolved debris ring around HD 207129. Astronomy and Astrophysics, 537, 110. doi:10.1051/0004-6361/201117731
Peer Reviewed verified by ORBi

Borguet, B., Hutsemekers, D., Letawe, G., Letawe, Y., & Magain, P. (2011). New Insights into the Quasar Type 1/Type 2 Dichotomy from Correlations between Quasar Host Orientation and Polarization. In P. Bastien (Ed.), Astronomical Polarimetry 2008: Science from Small to Large Telescopes. ASPC 449 (pp. 459-460).

Letawe, G., & Magain, P. (11 June 2010). Deep near-infrared imaging of the HE0450-2958 system. Astronomy and Astrophysics, 515, 84. doi:10.1051/0004-6361/201014175
Peer Reviewed verified by ORBi

Letawe, G., Letawe, Y., & Magain, P. (01 May 2010). The Power of Deconvolution for Study of QSO Host Galaxies. Proceedings of the International Astronomical Union, IAU Symposium, Vol 267, 117-117. doi:10.1017/S1743921310005788

Letawe, Y., Letawe, G., & Magain, P. (2010). Study of quasar host galaxies combining HST/ACS images and VLT Spectroscopy. In F. D. Macchetto (Ed.), The Impact of HST on European Astronomy (pp. 197-201). Springer. doi:10.1007/978-90-481-3400-7_35

Letawe, Y., Letawe, G., & Magain, P. (01 February 2010). Study of a homogeneous QSO sample: relations between the QSO and its host galaxy. Monthly Notices of the Royal Astronomical Society, 403 (4), 2088-2104. doi:10.1111/j.1365-2966.2010.16244.x
Peer Reviewed verified by ORBi

Elbaz, D., Jahnke, K., Pantin, E., Leborgne, D., & Letawe, G. (30 November 2009). Quasar induced galaxy formation: a new paradigm? Astronomy and Astrophysics, 507, 1359. doi:10.1051/0004-6361/200912848
Peer Reviewed verified by ORBi

Jahnke, K., Elbaz, D., Pantin, E., Böhm, A., Wisotzki, L., Letawe, G., Chantry, V., & Lagage, P.-O. (01 August 2009). The QSO HE0450-2958: Scantily dressed or heavily robed? A normal quasar as part of an unusual ULIRG. Astrophysical Journal, 700 (2), 1820-1830. doi:10.1088/0004-637X/700/2/1820
Peer Reviewed verified by ORBi

Letawe, G., Magain, P., Chantry, V., & Letawe, Y. (2009). Near-intrared observations of the HE 0450-2958 system: discovery of a second active galactic nucleus? Monthly Notices of the Royal Astronomical Society, 396 (1), 78-84. doi:10.1111/j.1365-2966.2009.14740.x
Peer Reviewed verified by ORBi

Borguet, B., Hutsemekers, D., Letawe, G., Letawe, Y., & Magain, P. (2008). Evidence of a type 1/type 2 dichotomy in the correlation between quasar optical polarization and host-galaxy/extended emission position angles. Astronomy and Astrophysics, 478, 321-333. doi:10.1051/0004-6361:20077986
Peer Reviewed verified by ORBi

Borguet, B., Hutsemekers, D., Letawe, G., Letawe, Y., & Magain, P. (2008). Quasar Host Orientation and Polarization: Insights into the Type 1/Type 2 Dichotomy. Revista Mexicana de Astronomía y Astrofísica, 32, 167-169.

Letawe, Y., Magain, P., Letawe, G., Courbin, F., & Hutsemekers, D. (2008). Understanding the relations between QSOs and their host galaxies from combined HST imaging and VLT spectroscopy. Astrophysical Journal, 679 (2), 967-983. doi:10.1086/587866
Peer Reviewed verified by ORBi

Letawe, G., Magain, P., & Courbin. (2008). Slit and integral-field optical spectroscopy of the enigmatic quasar HE 0450-2958. Astronomy and Astrophysics, 480, 69-77. doi:10.1051/0004-6361:20078725
Peer Reviewed verified by ORBi

Letawe, Y., Magain, P., Letawe, G., Courbin, F., & Hutsemekers, D. (2008). Study of the QSO HE0354-5500 with combined HST imaging and VLT spectroscopy . An example of a deconvolution-based method for probing the QSOs host galaxies characteristics. Memorie della Societa Astronomica Italiana, 79, 1251-1254.

Borguet, B., Hutsemekers, D., Letawe, G., Letawe, Y., & Magain, P. (2007). QSO Type1/Type2 dichotomy (Borguet+, 2008).

Gillon, M., Magain, P., Chantry, V., Letawe, G., Sohy, S., Courbin, F., Pont, F., & Moutou, C. (2007). DECPHOT: An Optimal Deconvolution-based Photometric Reduction Method. In Transiting Extrapolar Planets Workshop (pp. 113).

Jahnke, K., Wisotzki, L., Courbin, F., & Letawe, G. (11 June 2007). Spatial decomposition of on-nucleus spectra of quasar host galaxies. Monthly Notices of the Royal Astronomical Society, 378 (1), 23-40. doi:10.1111/j.1365-2966.2007.11623.x
Peer Reviewed verified by ORBi

Letawe, G., Magain, P., Courbin, F., Jablonka, P., Jahnke, K., Meylan, G., & Wisotzki, L. (11 June 2007). On-axis spectroscopy of the host galaxies of 20 optically luminous quasars at z similar to 0.3. Monthly Notices of the Royal Astronomical Society, 378 (1), 83-108. doi:10.1111/j.1365-2966.2007.11741.x
Peer Reviewed verified by ORBi

Magain, P., Courbin, F., Gillon, M., Sohy, S., Letawe, G., Chantry, V., & Letawe, Y. (01 January 2007). A deconvolution-based algorithm for crowded field photometry with unknown point spread function. Astronomy and Astrophysics, 461, 373-379. doi:10.1051/0004-6361:20042505
Peer Reviewed verified by ORBi

Courbin, F., Letawe, G., Meylan, G., Magain, P., Jablonka, P., Jahnke, K., Wisotzki, L., Letawe, Y., & North, P. (01 June 2006). The Host Galaxies of the Brightest Quasars: Gas-Rich Galaxies, Mergers, and Young Stars. The Messenger, 124, 32.

Magain, P., Courbin, F., Gillon, M., Sohy, S., Letawe, G., Chantry, V., & Letawe, Y. (2006). High precision photometry in crowded stellar fields. SPIE Newsroom.
Peer reviewed

Magain, P., Letawe, G., Courbin, F., Jablonka, P., Jahnke, K., Meylan, G., & Wisotzki, L. (15 September 2005). Discovery of a bright quasar without a massive host galaxy [letter to the editor]. Nature, 437 (7057), 381-384. doi:10.1038/nature04013
Peer Reviewed verified by ORBi

Letawe, G., Magain, P., Courbin, F., Jablonka, P., Meylan, G., Jahnke, K., & Wisotzki, L. (August 2005). VLT on-axis spectroscopy of quasar host galaxies. New Astronomy Reviews, 50 (issue 9-10), 779. doi:10.1016/j.newar.2006.06.050

Jakobsson, P., Hjorth, J., Burud, I., Letawe, G., Lidman, C., & Courbin, F. (February 2005). An optical time delay for the double gravitational lens system FBQ 0951+2635. Astronomy and Astrophysics, 431 (1), 103-109. doi:10.1051/0004-6361:20041432
Peer Reviewed verified by ORBi

Letawe, G., Courbin, F., Magain, P., Hilker, M., Jablonka, P., Jahnke, K., & Wisotzki, L. (01 September 2004). On-axis spectroscopy of the z =0.144 radio-loud quasar HE 1434-1600: an elliptical host with a highly ionized ISM. Astronomy and Astrophysics, 424, 455-464. doi:10.1051/0004-6361:20040481
Peer Reviewed verified by ORBi

Courbin, F., Letawe, G., Magain, P., Wisotzki, L., Jablonka, P., Jahnke, K., Kuhlbrodt, B., Alloin, D., & Meylan, G. (2003). On-axis VLT spectroscopy of quasar host galaxies: HE 1503+0228, at z=0.135. In Active Galactic Nuclei: From Central Engine to Host Galaxy (pp. 491).

Courbin, F., Letawe, G., Magain, P., Wisotzki, L., Jablonka, P., Jahnke, K., Kuhlbrodt, B., Alloin, D., Meylan, G., Minniti, D., & Burud, I. (01 November 2002). On-axis spatially resolved spectroscopy of low redshift quasar host galaxies: HE 1503+0228, at z=0.135. Astronomy and Astrophysics, 394, 863-872. doi:10.1051/0004-6361:20021246
Peer Reviewed verified by ORBi

Burud, I., Hjorth, J., Courbin, F., Cohen, J. G., Magain, P., Jaunsen, A. O., Kaas, A. A., Faure, C., & Letawe, G. (01 August 2002). Time delay and lens redshift for the doubly imaged BAL quasar SBS 1520+530. Astronomy and Astrophysics, 391, 481-486. doi:10.1051/0004-6361:20020856
Peer Reviewed verified by ORBi

Courbin, F., Letawe, G., Magain, P., Wisotzki, L., Jablonka, P., Alloin, D., Jahnke, K., Kuhlbrodt, B., Meylan, G., & Minniti, D. (01 March 2002). Spectroscopy of quasar host galaxies at the VLT: stellar populations and dynamics down to the central kiloparsec. The Messenger, 107, 28-32.

Burud, I., Courbin, F., Magain, P., Lidman, C., Hutsemekers, D., Kneib, J. P., Hjorth, J., Brewer, J., Pompei, E., Germany, L., Pritchard, J., Jaunsen, A. O., Letawe, G., & Meylan, G. (February 2002). An optical time-delay for the lensed BAL quasar HE 2149-2745. Astronomy and Astrophysics, 383 (1), 71-81. doi:10.1051/0004-6361:20011731
Peer Reviewed verified by ORBi

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