Absolute Parameters and Mass-Radius-Luminosity Relations for the Sub-Types of W UMa Binaries

Details Absolute Parameters and Mass-Radius-Luminosity Relations for the Sub-Types of W UMa Binaries Absolute Parameters and Mass-Radius-Luminosity Relations for the Sub-Types of W UMa Binaries

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jkas...38...43a&link_type=abstract

Journal of the Korean Astronomical Society, vol. 38, no. 2, pp. 43-57

Astronomy and Astrophysics

Astronomy

8

Contact Binaries, W Uma Type, Parameters, Catalogue, Mass-Radius-Luminosity Relation, Angular Momentum

Scientific paper

The authors have assembled a sample of 80 W UMa binary systems (42 W--subtype and 38 A--subtype) whose light curves have all been solved by means of the recent W--D code and combined with up-to-date radial velocity solutions. The absolute parameters (masses, radii and luminosities) have been derived (without any constraint on the physical parameters). The main results of this paper are: (1) the mass--luminosity relations for both W&A--subtypes as well as for all W UMa contact binaries have been shown, (2) the mass--radius relations have been found for both subtypes, (3) some remarks on the evolution status have been presented.

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