UW CVn -- an Eclipsing Binary System of W UMa Type

Details UW CVn -- an Eclipsing Binary System of W UMa Type UW CVn -- an Eclipsing Binary System of W UMa Type

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aca....45..753k&link_type=abstract

Acta Astronomica, v.45, pp.753-761, (1995).

Astronomy and Astrophysics

Astronomy

13

Stars: Binaries: Eclipsing, Stars: Individual: Uw Cvn

Scientific paper

Using new CCD observations of UW CVn we show that this star -- previously classified as a delta Scuti variable -- is in fact a W UMa type eclipsing binary. From the photometric point of view it belongs to the subclass W. The solution of the light curve indicates over-contact geometry, total eclipse, and quite small -- for a W type binary -- mass ratio (0.245). The smaller secondary is considerably hotter than the primary, the temperature difference amounting to about 400K. Moreover, analysis of all available data leads us to the conclusion that the orbital period has changed.

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