Period changes and the distortion of the light curve of the eclipsing variable CQ CEP with a WR component

Details Period changes and the distortion of the light curve of the eclipsing variable CQ CEP with a WR component Period changes and the distortion of the light curve of the eclipsing variable CQ CEP with a WR component

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983baicz..34..341k&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 34, Sept. 1983, p. 341-348.

Astronomy and Astrophysics

Astronomy

4

Eclipsing Binary Stars, Light Curve, Variable Stars, Wolf-Rayet Stars, Electrophotometry, Minima, Stellar Mass Ejection, Ubv Spectra

Scientific paper

The changes of period of the eclipsing binary CQ Cep, one component of which is a WR-type star, are analysed using new photo-electric observations. The shortening of the period stopped at approximately J.D. 2430000. The effect of distortion of the light curve on the determination of the time of the minimum and on the behaviour of O-C deviations is discussed. The changes of period are explained by means of a mass-loss mechanism and mass transfer between the components of the binary.

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