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Spitzer Infrared Observations and Independent Validation of the Transiting Super-Earth CoRoT-7b
Francois Fressin, Guillermo Torres, Frederic Pont +8
The detection and characterization of the first transiting super-Earth, CoRoT-7 b, has required an unprecedented effort in terms of telescope time and analysis. Although the star d…
Planetary transit candidates in the CoRoT LRa01 field
L. Carone, D. Gandolfi, J. Cabrera +70
Context: CoRoT is a pioneering space mission whose primary goals are stellar seismology and extrasolar planets search. Its surveys of large stellar fields generate numerous planeta…
A simple method to estimate radial velocity variations due to stellar activity using photometry
S. Aigrain, F. Pont, S. Zucker
We present a new, simple method to predict activity-induced radial velocity variations using high-precision time-series photometry. It is based on insights from a simple spot model…
On the effects of clouds and hazes in the atmospheres of hot Jupiters: semi-analytical temperature-pressure profiles
Kevin Heng, Wolfgang Hayek, Frédéric Pont +1
Motivated by the work of Guillot (2010), we present a semi-analytical formalism for calculating the temperature-pressure profiles in hot Jovian atmospheres which includes the effec…
Determining Eccentricities of Transiting Planets: A Divide in the Mass-Period Plane
Frederic Pont, Nawal Husnoo, Tsevi Mazeh +1
The two dominant features in the distribution of orbital parameters for close-in exoplanets are the prevalence of circular orbits for very short periods, and the observation that p…
Hubble Space Telescope Transmission Spectroscopy of the Exoplanet HD 189733b: High-altitude atmospheric haze in the optical and near-UV with STIS
D. K. Sing, F. Pont, S. Aigrain +10
We present Hubble Space Telescope optical and near-ultraviolet transmission spectra of the transiting hot-Jupiter HD189733b, taken with the repaired Space Telescope Imaging Spectro…