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Lithium and beryllium in Population I dwarf stars

Published online by Cambridge University Press:  23 April 2010

Sofia Randich
Sofia Randich*
Affiliation:
INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi, 5, I-50125, Firenze, Italy email: randich@arcetri.astro.it
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Abstract

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In the last few years a variety of lithium and beryllium surveys have been carried out among Pop. I stars in the field and open clusters, with the goal to trace the dependence of these element abundances on stellar mass, age, metallicity, and to understand the physical processes that lead to their depletion. I summarize here the most recent results, focusing on stars with temperatures similar to the Sun. In particular, I will discuss Li measurements in solar-type members of old open clusters, which definitively show that the low solar lithium is not the standard for a star of that age and mass.

Keywords

Stars: abundancesinteriors – open clusters and associations: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S268: Light Elements in the Universe , November 2009 , pp. 275 - 283
Copyright
Copyright © International Astronomical Union 2010

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