Photometric Study of the Binary System V397 Cephei

Details Photometric Study of the Binary System V397 Cephei Photometric Study of the Binary System V397 Cephei

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005pasj...57..335b&link_type=abstract

Publications of the Astronomical Society of Japan, Vol.57, No.2, pp. 335-339

Astronomy and Astrophysics

Astronomy

3

Stars: Binaries: Eclipsing, Stars: Individual (V397 Cep)

Scientific paper

The first ground-based UBV observations (2001, Inf. Bull. Variable Stars, 5129) of V397 Cep were analyzed by using the Wilson-Devinney method, and the results were compared with others in the literature. A consistent geometry with a photometric mass-ratio close to unity and an eccentric orbit of e ≃ 0.13 was found. The longitude of the periastron (ω) was found significantly different for two different light curves, which is strongly suggestive of an apsidal motion with a period of about 300 yr. This makes V397 Cep an important candidate for studies of apsidal motion.

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