Light Curve Asymmetry in W Corvi

Details Light Curve Asymmetry in W Corvi Light Curve Asymmetry in W Corvi

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.0401c&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #04.01; Bulletin of the American Astronomical Society, Vol. 34, p.1095

Astronomy and Astrophysics

Astronomy

Scientific paper

We solve light and radial velocity curves of the double-lined eclipsing binary W Corvi. Using the Wilson-Devinney program, we derive a unique set of physical parameters consistent with observations obtained over the past 40 years at different epochs. Light curve asymmetries, which change over time, are modeled using starspots. We find W Corvi to be marginally overcontact. Because of parameter uncertainties, however, we cannot rule out a broken-contact configuration. We discuss our results in light of the thermal relaxation oscillation model for W Ursae Majoris binaries.

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