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Low-Mass Eclipsing Binaries to Refine Barnes-Evans–Like Relations

Published online by Cambridge University Press:  09 August 2007

Pedro J. Amado
Pedro J. Amado*
Affiliation:
Dpto. de Física Teórica y del Cosmos, Facultad de Ciencias, Universidad de Granada, Spain; Instituto de Astrofsica de Andalucía-CSIC, Granada, Spain email: pja@iaa.es
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Abstract

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The relation of the surface brightness, a parameter related to the apparent magnitude and the angular diameter of a star, with a colour index is used to determine various stellar parameters. Eclipsing spectroscopic binaries can even be used as a distance indicator. In this work, we use a number of low-mass eclipsing binaries, whose parameters have been accurately determined, to refine the Barnes-Evans–like relation FV − (Ic − K) introduced by Amado et al. (1999), a relation more suitable for the low temperature of these cool stars.

Keywords

binaries: eclipsingstars: fundamental parametersstars: late-typestars: low-mass
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S240: Binary Stars as Critical Tools & Tests in Contemporary Astrophysics , August 2006 , pp. 634 - 637
Copyright
Copyright © International Astronomical Union 2007

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