The eclipsing binary U Cephei - New observations and solutions

Details The eclipsing binary U Cephei - New observations and solutions The eclipsing binary U Cephei - New observations and solutions

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.187..699m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 187, June 1979, p. 699-709.

Astronomy and Astrophysics

Astronomy

11

Cepheid Variables, Eclipsing Binary Stars, Stellar Spectrophotometry, Ubv Spectra, Eclipses, Light Curve, Mass Ratios, Stellar Rotation, Ultraviolet Spectra

Scientific paper

Observations of the interacting eclipsing binary system U Cephei in the standard UBV system were obtained at the Rosemary Hill Observatory of the University of Florida during the most recent period of activity (October 1974 until May 1976). Double coverage of more than 95 per cent of the light curve was obtained. Since analysis of the irregularities in the light curve depends greatly on an accurate geometrical model, three solutions by different techniques were attempted. The D. B. Wood solution failed, since asynchronous rotation of the primary star is not included in the model. Reasonable agreement between the Russell-Merrill and Wilson-Devinney solutions was achieved.

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