Other
Scientific paper
Mar 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....93..672p&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 93, March 1987, p. 672-677. NSF-supported research.
Other
29
Cassiopeia Constellation, Cepheid Variables, Early Stars, Eclipsing Binary Stars, Astronomical Photometry, Circular Orbits, Radial Velocity, Radii, Spectrographs, Stellar Mass
Scientific paper
The available spectrographic and photometric material for PV Cas (B9.5) and WX Cep (A3) is analyzed to obtain the properties of the stars. This study completes the presentation of Lick coudé material on detached binaries in the range late B-A. The nearly equal components of PV Cas are cooler than predicted by evolutionary models with helium abundance "primordial" or greater, an effect noted also for other A type binaries. WX Cep appears to be in a short-lived evolutionary state. The slightly more massive star has completed core hydrogen burning, while the less massive has not.
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