Protostars and Planets VI, Heidelberg, July 15-20, 2013

Poster 2G009

Towards a Transmission Spectrum of the Hot Saturn WASP-49b

Lendl, Monika (Observatoire Astronomique de l\'Université de Genève)
Delrez, Laetitia (Institut d\'Astrophysique, Université de Liège)
Gillon, Michael (Institut d\'Astrophysique, Université de Liège)
Jehin, Emmanuel (Institut d\'Astrophysique, Université de Liège)
Queloz, Didier (Observatoire Astronomique de l\'Université de Genève)

Abstract:
Transiting extrasolar planets are so far the only planets for which atmospheres can be studied in detail. The spectro-photometric observation of transits allows to search for wavelength dependencies in the effective planetary radius that are sensitive to signatures of chemical elements in the planetary atmosphere. We present first results from an observing campaign carried out using the FORS2 instrument to obtain spectro-photometric observations of transits of the low-density hot Saturn WASP-49b.

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