Fundamental parameters for the W Serpentis stars. I - SX Cassiopeiae revisited

Details Fundamental parameters for the W Serpentis stars. I - SX Cassiopeiae revisited Fundamental parameters for the W Serpentis stars. I - SX Cassiopeiae revisited

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...207...37a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 207, no. 1, Dec. 1988, p. 37-45. Research supported by the Statens Naturvidens

Astronomy and Astrophysics

Astrophysics

15

Eclipsing Binary Stars, Light Curve, Radial Velocity, Stellar Models, Symbiotic Stars, A Stars, Cassiopeia Constellation, Stellar Envelopes, Subgiant Stars, Three Body Problem

Scientific paper

The geometry of SX Cas has been reinvestigated. The authors have redetermined the radial velocity curve of the secondary component from photoelectric observations, modelled the distortions of the radial velocity curve of the primary component, and reanalysed Shao's (1967) B and V light curves with a binary model appropriate for a presumed semi-detached system. Finally, observations of the visual companion have been used to estimate the reddening and distance of SX Cas. From these data, improved values for the masses and radii of the components are computed. The result is a semi-detached model of SX Cas, which is in substantial agreement with all available data.

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