V649 Cassiopeiae - A multiple star system?

Details V649 Cassiopeiae - A multiple star system? V649 Cassiopeiae - A multiple star system?

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..242v&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 674, April 1992, p. 242-245.

Astronomy and Astrophysics

Astronomy

3

Eclipsing Binary Stars, Light Curve, Radial Velocity, Stellar Color, Astronomical Photometry, Astronomical Spectroscopy

Scientific paper

Previously published light and radial-velocity curves of the eclipsing and spectroscopic binary V649 Cassiopeiae are reexamined using the Wilson-Devinney program. Two solutions are presented, both leading to typical B-type masses and radii for the two components. One of the solutions calls for large amounts of third light (42 percent of the total light in V, 46 percent in B). The possible nature of this source of third light is discussed, and new photometric and spectroscopic observations of this bright (V = 6.53) system are urged.

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