Observations and interpretation of the close binary system CG CYG

Details Observations and interpretation of the close binary system CG CYG Observations and interpretation of the close binary system CG CYG

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ap%26ss..67...19j&link_type=abstract

Astrophysics and Space Science, vol. 67, no. 1, Jan. 1980, p. 19-30, Research supported by the University of Tabriz.

Astronomy and Astrophysics

Astrophysics

24

Astronomical Photometry, Eclipsing Binary Stars, Variable Stars, Color, Fourier Series, Light Curve, Main Sequence Stars, Periodic Variations, Stellar Temperature

Scientific paper

Photometric observations of the short-period (RS CVn-type) eclipsing binary system CG Cyg have been presented. Two sets of results, obtained from an analysis of the B, V and R light curves, represent 'occultation' and 'transit' solutions. The occultation solution is preferred as it gives a better fit to the color curve. This hypothesis may also offer a more promising explanation of the observed peculiarities such as period changes and the light variation outside eclipses.

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