Synthetic parameters of five W-type contact binaries

Details Synthetic parameters of five W-type contact binaries Synthetic parameters of five W-type contact binaries

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..646b&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, Aug. 1984, p. 646-656.

Astronomy and Astrophysics

Astronomy

20

Astronomical Photometry, Binary Stars, Light Curve, Electrophotometry, Mass Ratios, Radial Velocity

Scientific paper

Synthetic parameters have been determined from observations defining symmetrical light curves of the five W-type contact binary systems SW Lac, U Peg, RZ Com, AM Leo, and AH Vir. In addition, a second observed light curve of each system was studied. The difference in the shape of the light curves for a given system can be explained by one or two subluminuous regions on the larger component. Such a region may be caused by circumstellar material or by a starspot area. The position in longitude is well determined. In every case the absolute value of the latitude can be found but only for SW Lac can the sign of the latitude be obtained without ambiguity.

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