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Metallicity

Published online by Cambridge University Press:  30 November 2012

X. Bonfils
X. Bonfils*
Affiliation:
UJF-Grenoble 1/CNRS-INSU, Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) UMR 5274, 38041 Grenoble, France
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Abstract

The metallicity measures the fraction of the star that is made of elements heavier than helium. It is intimately related to the stellar structure and composition and thus plays an important role in a broad range of astrophysical cases, from stellar populations to planet formation. This chapter aims to review the recent observational efforts to measure the metallicity of M dwarfs and to screen few astrophysical cases which have benefited from quantitative metallicity analysis.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 57: Low-Mass Stars and the Transition Stars/Brown Dwarfs - Evry Schatzman School on Stellar Physics XXIII , 2012 , pp. 193 - 207
Copyright
© EAS, EDP Sciences 2012

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