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Accurate fundamental parameters of eclipsing binary stars

Published online by Cambridge University Press:  02 March 2005

J. Southworth ,
B. Smalley ,
P.F.L. Maxted  and
P.B. Etzel
J. Southworth
Affiliation:
Department of Physics and Chemistry, Keele University, Staffordshire, ST5 5BG, UK email: [email protected] (JS), [email protected] (PFLM), [email protected] (BS)
B. Smalley
Affiliation:
Department of Physics and Chemistry, Keele University, Staffordshire, ST5 5BG, UK email: [email protected] (JS), [email protected] (PFLM), [email protected] (BS)
P.F.L. Maxted
Affiliation:
Department of Physics and Chemistry, Keele University, Staffordshire, ST5 5BG, UK email: [email protected] (JS), [email protected] (PFLM), [email protected] (BS)
P.B. Etzel
Affiliation:
Department of Astronomy, San Diego State University, San Diego, CA 92182, USA email: [email protected]
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Abstract

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The study of detached eclipsing binaries is one of the most powerful ways to investigate the properties of individual stars and stellar systems. We present preliminary masses, radii and effective temperatures for the eclipsing binary WW Aurigae, which is composed of two metallic-lined A-type stars. We also reanalyse the data on HD 23642, an A-type eclipsing binary member of the Pleiades open cluster with a metallic-lined component, and determine its distance to be $139 \pm 4$ pc. This is in agreement with the traditional Pleiades distance, but in disagreement with distance to the Pleiades, and to HD 23642 itself, derived from Hipparcos trigonometrical parallaxes.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Stars: binaries: closestars: binaries: eclipsingstars: binaries: spectroscopicstars: chemically peculiarstars: distancesstars: evolutionstars: fundamental parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 548 - 561
Copyright
© 2004 International Astronomical Union