Other
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991baicz..42..230m&link_type=abstract
Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 42, no. 4, July 1991, p. 230-240.
Other
8
Eclipsing Binary Stars, Light Curve, Stellar Orbits, Radial Velocity, Stellar Mass, Stellar Rotation, Stellar Spectrophotometry
Scientific paper
Photometric and spectroscopic data on the eclipsing binary are set forth, and a combined orbital and photometric solution is developed based on the available information. The radial velocity data are analyzed with the SPEL and FOTEL programs, and the possibility of apsidal motion is examined with two subsets of the velocities. The photometric data are reduced by the standard Johnson system and linear transformation equations, and the preferred solutions are discussed. The resulting parameters include the mass and radius of the primary and secondary, the eccentricity, and other physical information. The apsidal motion identified by Mayer and Chochol (1981) is confirmed, and the distance to the system is given as 1.7-1.8 kpc. The stars' rotation rate is approximately the pseudosynchronous rotation rate, and the primary approaches its limit of stability at each periastron passage.
Chochol Drahomir
Hadrava Petr
Harmanec Petr
Mayer Peter
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