Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.104..225t&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 104, no. 2, Sept. 1984, p. 225-244.
Astronomy and Astrophysics
Astrophysics
4
Astronomical Catalogs, Eclipsing Binary Stars, Light Curve, Stellar Evolution, Main Sequence Stars, Radial Velocity, Spectrum Analysis, Stellar Models, Stellar Temperature
Scientific paper
Blue and yellow light curves of the RS CVn-type eclipsing binary star Z Her were analyzed using a convergence model developed by Wood (1971), and a similar model developed by Nelson, Davis, and Eztel (1972). The analytical results offered by each method are compared, and are found to be in reasonable agreement. The results clearly imply that the cooler star of the Z Her system has separated from the main sequence star or has been departing from it in a manner similar to that of the cooler components of other RS CVn-type binaries.
Evren Serdar
Ibanoglu Cafer
Tuemer O.
Tunca Zeynel
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