An analysis of the eclipsing binary RS Cephei

Details An analysis of the eclipsing binary RS Cephei An analysis of the eclipsing binary RS Cephei

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89..562s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, April 1984, p. 562-567.

Astronomy and Astrophysics

Astronomy

8

Eclipsing Binary Stars, Light Curve, Spectrum Analysis, Stellar Spectrophotometry, Ubv Spectra, Astrometry, Radii, Roche Limit, Stellar Envelopes, Stellar Luminosity, Stellar Models, Stellar Temperature

Scientific paper

Complete UBV light curves of this totally eclipsing long-period Algol-type binary are corrected for the photometric effects of circumstellar material and then solved with the Wilson-Devinney model allowing for third light. Light from the disk surrounding the hotter star is surprisingly bright, amounting to almost 18 percent of the light of the hotter star in U. Properties of both stars are determined: A5 III, 2.69 solar radii, 2.68 solar masses, and G8 IV-III, 7.08 solar radii, 0.38 solar masses. The cooler star fills its Roche lobe, and the radius of the disk is about 9.5 solar radii.

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