Simultaneous solutions for photometric and spectroscopic observations of TX UMa

Details Simultaneous solutions for photometric and spectroscopic observations of TX UMa Simultaneous solutions for photometric and spectroscopic observations of TX UMa

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.201..177k&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 201, no. 2, p. 177-189.

Astronomy and Astrophysics

Astrophysics

2

Binary Stars, Light Curve, Stellar Evolution, Stellar Spectrophotometry, Radial Velocity, Stellar Luminosity, Stellar Mass, Stellar Models, Stellar Rotation

Scientific paper

B and V light curves for one epoch and radial velocity curves of three different epochs were analyzed to revise the solution of TX UMa. The solution has been adjusted simultaneously in the light curves and radial velocity curves by the method of Wilson and Devinney's (1971) differential correction. The primary star's surface rotation rate to synchronous rate is determined as 1.768 from one of the radial velocity curves. The absolute dimension of the system was deduced based on the simultaneous solution. The primary star is well fitted to the evolutionary track for a single star, while the secondary star, while filling its Roche lobe, is fitted to the evolutionary track for a close binary system.

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