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SÉMINAIRE DU LERMA
OBSERVATOIRE DE PARIS
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Vendredi 6 mars 2009 \`a 14H


77 avenue Denfert Rochereau, Paris 14



Salle de l'Atelier, Observatoire de Paris





Detecting and Characterizing hot-Jupiter Exoplanet Atmospheres.



David SING

IAP



Résumé : For nearly one decade, transit events have provided an extraordinary abundance of information for close in Jupiter size exoplanets. Most notably, transits permit a precise measurement of a planets mass, radius, and temperature which has led to knowledge of planetary bulk composition as well as atmospheric content and structure. Enough transiting hot-Jupiters and their characteristics are now known such that two different classes of these planets are now emerging, the beginnings of comparative exoplanetology.
In this talk I will discuss previous and ongoing space and ground based transit observations as well as the interpretations of such results, focusing primarily on planetary atmospheres. I will also detail secondary eclipse measurements of the very hot-Jupiter Ogle- Tr-56b recently made using ground-based telescopes. Finally, I will discuss the future prospects for transit science considering planned future space and ground based telescopes.