Transiting exoplanets from theCoRoTspace mission
Open Access
- 2 December 2010
- journal article
- research article
- Published by EDP Sciences in Astronomy & Astrophysics
- Vol. 525, A68
- https://doi.org/10.1051/0004-6361/201015276
Abstract
We report the discovery by the CoRoT space mission of a transiting brown dwarf orbiting a F7V star with an orbital period of 3.06 days. CoRoT-15b has a radius of 1.12 R Jup and a mass of 63.3 ± 4.1 M Jup, and is thus the second transiting companion lying in the theoretical mass domain of brown dwarfs. CoRoT-15b is either very young or inflated compared to standard evolution models, a situation similar to that of M-dwarf stars orbiting close to solar-typestars. Spectroscopic constraints and an analysis of the lightcurve imply a spin period in the range 2.9–3.1 days for the central star, which is compatible with a double-synchronisation of the system.Keywords
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