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20 April 2024

» arxiv » 1106.4393

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Transiting exoplanets from the CoRoT space mission XVII. The hot Jupiter CoRoT-17b: a very old planet
Sz. Csizmadia ; C. Moutou ; M. Deleuil ; J. Cabrera ; M. Fridlund ; D. Gandolfi ; S. Aigrain ; R. Alonso ; J. M. Almenara ; M. Auvergne ; A. Baglin ; P. Barge ; A. S. Bonomo ; P. Borde ; F. Bouchy ; H. Bruntt ; L. Carone ; S. Carpano ; C. Cavarroc ; W. Cochran ; H. J. Deeg ; R. F. Diaz ; R. Dvorak ; M. Endl ; A. Erikson ; S. Ferraz-Mello ; Th. Fruth ; J. C. Gazzano ; M. Gillon ; E. W. Guenther ; T. Guillot ; A. Hatzes ; M. Havel ; G. Hebrard ; E. Jehin ; L. Jorda ; A. Leger ; A. Llebaria ; H. Lammer ; C. Lovis ; P. J. MacQueen ; T. Mazeh ; M. Ollivier ; M. Paetzold ; D. Queloz ; H. Rauer ; D. Rouan ; A. Santerne ; J. Schneider ; B. Tingley ; R. Titz-Weider ; G. Wuchterl ;
Date:	22 Jun 2011
Abstract:	We report on the discovery of a hot Jupiter-type exoplanet, CoRoT-17b, detected by the CoRoT satellite. It has a mass of $2.43pm0.30$Mjup and a radius of $1.02pm0.07$Rjup, while its mean density is $2.82pm0.38$ g/cm$^3$. CoRoT-17b is in a circular orbit with a period of $3.7681pm0.0003$ days. The host star is an old ($10.7pm1.0$ Gyr) main-sequence star, which makes it an intriguing object for planetary evolution studies. The planet’s internal composition is not well constrained and can range from pure H/He to one that can contain $sim$380 earth masses of heavier elements.
Source:	arXiv, 1106.4393
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