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Lithium abundances in exoplanet host stars as a test for planetary formation scenarii

Published online by Cambridge University Press:  23 December 2005

M. Castro ,
O. Richard  and
S. Vauclair
M. Castro
Affiliation:
Laboratoire d'Astrophysique de Toulouse et Tarbes, email: mcastro@ast.obs-mip.fr, svcr@ast.obs-mip.fr
O. Richard
Affiliation:
Groupe de Recherche en Astronomie et Astrophysique du Languedoc, email: richard@graal.univ-montp2.fr
S. Vauclair
Affiliation:
Laboratoire d'Astrophysique de Toulouse et Tarbes, email: mcastro@ast.obs-mip.fr, svcr@ast.obs-mip.fr
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Abstract

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The observations of Israelian et al. (2004) show that, in an effective temperature range between 5600, 5850 K, the planet host stars present a significant lithium underabundance compared to the stars without planets. We have studied this phenomena in order to discriminate the different planetary formation scenarii.

Keywords

Stars: abundancesstars: planetary systemsturbulence
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S228: From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution , May 2005 , pp. 85 - 86
Copyright
© 2005 International Astronomical Union