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The light elements in a helio- and asteroseismic perspective

Published online by Cambridge University Press:  23 April 2010

Sylvie Vauclair
Sylvie Vauclair*
Affiliation:
Laboratoire d'Astronomie de Toulouse-Tarbes, Université de Toulouse, 14 Avenue Edouard Belin, 31400 Toulouse, France email: [email protected]
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Abstract

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Asteroseismology is a powerful tool to derive stellar parameters, including the helium content and internal helium gradients, and the macroscopic motions which can lead to lithium, beryllium, and boron abundance variations. Precise determinations of these parameters need deep analyses for each individual stars. After a general introduction on helio and asteroseismology, I first discuss the solar case, the results which have been obtained in the past two decades, and the crisis induced by the new determination of the abundances of heavy elements. Then I discuss asteroseismology in relation with light element abundances, especially for the case of main sequence stars.

Keywords

Sun: abundancesheliosismology – stars: interiors
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S268: Light Elements in the Universe , November 2009 , pp. 387 - 394
Copyright
Copyright © International Astronomical Union 2010

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