Transiting exoplanets from the CoRoT space mission. XII. CoRoT-12b: a short-period low-density planet transiting a solar analog star

M. Gillon , A. Hatzes , Sz. Csizmadia , M. Fridlund , M. Deleuil , S. Aigrain , R. Alonso , M. Auvergne

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A. Baglin P. Barge S. I. Barnes A. S. Bonomo P. Bord\'e F. Bouchy H. Bruntt J. Cabrera L. Carone S. Carpano W. D. Cochran H. J. Deeg R. Dvorak M. Endl A. Erikson S. Ferraz-Mello D. Gandolfi J. C. Gazzano E. Guenther T. Guillot M. Havel G. H\'ebrard L. Jorda A. L\'eger A. Llebaria H. Lammer C. Lovis M. Mayor T. Mazeh J. Montalb\'an C. Moutou A. Ofir M. Ollivier M. P\"atzold F. Pepe D. Queloz H. Rauer D. Rouan B. Samuel A. Santerne J. Schneider B. Tingley S. Udry J. Weingrill G. Wuchterl

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classification 🌌 astro-ph.EP

keywords planettransitinganalogcorotcorot-12bsolarstardays

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We report the discovery by the CoRoT satellite of a new transiting giant planet in a 2.83 days orbit about a V=15.5 solar analog star (M_* = 1.08 +- 0.08 M_sun, R_* = 1.1 +- 0.1 R_sun, T_eff = 5675 +- 80 K). This new planet, CoRoT-12b, has a mass of 0.92 +- 0.07 M_Jup and a radius of 1.44 +- 0.13 R_Jup. Its low density can be explained by standard models for irradiated planets.

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Transiting exoplanets from the CoRoT space mission. XII. CoRoT-12b: a short-period low-density planet transiting a solar analog star

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