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Understanding exoplanet formation, structure and evolution in 2010
G. Chabrier, J. Leconte, I. Baraffe
In this short review, we summarize our present understanding (and non-understanding) of exoplanet formation, structure and evolution, in the light of the most recent discoveries. R…
The radius anomaly in the planet/brown dwarf overlapping mass regime
Jérémy Leconte, Gilles Chabrier, Isabelle Baraffe +1
The recent detection of the transit of very massive substellar companions (CoRoT-3b, Deleuil et al. 2008; CoRoT-15b, Bouchy et al. 2010; WASP-30b, Anderson et al. 2010; Hat-P-20b,…
Effect of episodic accretion on the structure and the lithium depletion of low-mass stars and planet-hosting stars
Isabelle Baraffe, Gilles Chabrier
Following up our recent analysis devoted to the impact of non steady accretion on the location of young low-mass stars or brown dwarfs in the Herzsprung-Russell diagram, we perform…
The Lyot Project Direct Imaging Survey of Substellar Companions: Statistical Analysis and Information from Nondetections
Jérémy leconte, Rémi Soummer, Sasha Hinkley +14
The Lyot project used an optimized Lyot coronagraph with Extreme Adaptive Optics at the 3.63m Advanced Electro-Optical System telescope (AEOS) to observe 86 stars from 2004 to 2007…
The effect of magnetic activity on low-mass stars in eclipsing binaries
J. C. Morales, J. Gallardo, I. Ribas +3
In recent years, analyses of eclipsing binary systems have unveiled differences between the observed fundamental properties of low-mass stars and those predicted by stellar structu…
Is tidal heating sufficient to explain bloated exoplanets? Consistent calculations accounting for finite initial eccentricity
Jérémy Leconte, Gilles Chabrier, Isabelle Baraffe +1
In this paper, we present the consistent evolution of short-period exoplanets coupling the tidal and gravothermal evolution of the planet. Contrarily to previous similar studies, o…