A preliminary photometric study of the early-type binary system SU Cephei

Details A preliminary photometric study of the early-type binary system SU Cephei A preliminary photometric study of the early-type binary system SU Cephei

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..884l&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 680, p. 884-887.

Physics

2

Binary Stars, Cepheid Variables, Early Stars, Stellar Physics, Stellar Spectrophotometry, Light Curve, Stellar Systems

Scientific paper

Photometric observations of SU Cephei were obtained with the 0.5-m telescope at the Climenhaga Observatory of the University of Victoria; a total of 152, well distributed over the light curve, were obtained in each of the B and V bands. In addition to yielding new light elements, the light curves provide information on the physical parameters of the system, by means of an analysis performed with Hill's (1979) LIGHT2 program. Although it does not permit us to constrain the mass ratio tightly, this preliminary photometric solution suggests that its value lies between 1.0 and 1.5, and that SU Cep is a contact binary.

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