K-type overcontact binaries

Details K-type overcontact binaries K-type overcontact binaries

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apjs...58..413b&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 58, July 1985, p. 413-437. Research supported by Eastern College.

Astronomy and Astrophysics

Astrophysics

36

Eclipsing Binary Stars, K Stars, Light Curve, Stellar Activity, Stellar Spectrophotometry, Electrophotometry, Starspots, Stellar Color, Stellar Flares

Scientific paper

Photoelectric light curves were obtained of five K-type, very short period (no more than 0.3 days), contact binaries: CC Com, FG Sct, BI Vul, FS CrA, and VZ Psc. These were analyzed using the Wilson-Devinney code, and satisfactory results were obtained for all the systems except VZ Psc. Analysis revealed indications of subluminous regions, probably starspots, on the larger components of CC Com and BI Vul. These were modeled using a code by Binnendijk (1977) providing temperature and size estimates for the spots. Flarelike activity was seen on FS CrA.

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