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Evaporation of extrasolar planets

Published online by Cambridge University Press:  06 January 2010

T. Montmerle ,
D. Ehrenreich ,
A.-M. Lagrange  and
D. Ehrenreich
D. Ehrenreich*
Affiliation:
Laboratoire d'Astrophysique de Grenoble, Université Joseph Fourier and CNRS (UMR 5571), BP. 53, 38041 Grenoble Cedex 9, France
*
david.ehrenreich@obs.ujf-grenoble.fr
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Abstract

Atomic hydrogen escaping from the extrasolar giant planet HD 209458b provides the largest observational signature ever detected for an extrasolar planet atmosphere. In fact, the upper atmosphere of this planet is evaporating. Observational evidences and interpretations coming from various models are reviewed. Implications for exoplanetology are discussed.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 41: Physics and Astrophysics of Planetary Systems , 2010 , pp. 429 - 440
Copyright
© EAS, EDP Sciences, 2010

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