Photometry of the contact binary system V471 CAS

Details Photometry of the contact binary system V471 CAS Photometry of the contact binary system V471 CAS

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.183..237l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 183, no. 2, Sept. 1991, p. 237-244.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Photometry, Eclipsing Binary Stars, Electrophotometry, Stellar Color, Ubv Spectra, Electrophotometers, Light Curve, Orbital Elements

Scientific paper

UBV photoelectric observations of the W UMa-type binary V471 Cas were made from September to November 1984. Its color indices were found to be (B-V) = 0.771 +/-0.02 mag and (U-B) = 0.196 +/-0.02 mag. The U, B, and V light curves of V471 Cas show some photometric fluctuations. Its orbital period is not 0.335998 days, which was given by GCVS (1986), but 0.405356 days. Photometric orbital elements of V471 Cas were found using the Wilson-Devinney method. V471 Cas is a contact system, in which the overcontact factor is 0.19, its mass ratio of two components is 0.5947, and orbital minclination is in 83.29 degrees.

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