Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...319..325m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 319, Aug. 1, 1987, p. 325-333. Research supported by the University of Flor
Astronomy and Astrophysics
Astrophysics
28
Eclipsing Binary Stars, Light Curve, Star Clusters, Stellar Luminosity, Ubv Spectra, Radial Velocity, Stellar Mass
Scientific paper
UBV light curves of the W-type W UMa system RW Com have been modeled with the Wilson-Devinney synthetic light curve program and solution elements have been recovered. A sine-rectified light curve analysis and a spotted light curve analysis are presented. The smaller and less massive component is the hotter one. The masses are 0.20 + or - 0.03 and 0.56 + or - 0.06 solar masses and the bolometric magnitudes are 6.76 + or - 0.24 and 5.97 + or - 0.26 for the hotter and cooler components, respectively. The separation of centers is 1.48 + or - 0.01 solar radius and the ratio of radii is about 0.6. The components are shown to be in shallow contact with a contact parameter of 0.17 + or - 0.02. If the system does not suffer from circumstellar absorption, its distance is 115 + or - 13 pc. On kinematic grounds, RW Com is not a member of the Coma star cluster.
Hrivnak Bruce J.
Milone Eugene F.
Wilson Robert E.
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