A radial-velocity study of V523 Cassiopeiae

Details A radial-velocity study of V523 Cassiopeiae A radial-velocity study of V523 Cassiopeiae

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90..354m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 90, Feb. 1985, p. 354-357. Research supported by the Natural Sciences and Engineerin

Astronomy and Astrophysics

Astronomy

25

Eclipsing Binary Stars, Radial Velocity, Stellar Spectra, Calcium, Emission Spectra, Light Curve, Mass Ratios, Stellar Mass

Scientific paper

Spectra of the short-period contact system V523 Cas have been obtained beginning in August 1981. The spectral type of the system is about K5. Velocities of the two components were obtained by cross correlating the spectra of V523 Cas with those of velocity standards of similar spectral type. A mass ratio of 0.42±0.02 and velocity semiamplitudes of 96±5 and 231±4 km s-1 were derived, neglecting tidal and eclipse effects. Ca II H and K emission was observed in the system. It is associated with the more massive component.

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