Analysis and solution of the light and radial velocity curves of the contact binary TY Bootis

Details Analysis and solution of the light and radial velocity curves of the contact binary TY Bootis Analysis and solution of the light and radial velocity curves of the contact binary TY Bootis

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...370..677m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 370, April 1, 1991, p. 677-692. Research supported by NSERC.

Astronomy and Astrophysics

Astrophysics

20

Eclipsing Binary Stars, Light Curve, Radial Velocity, Astronomical Models, Astronomical Photometry, Astronomical Spectroscopy

Scientific paper

Observations and analyses of the binary TY Bootis are presented. Radial velocity data are used for the first time to establish the mass ratio without ambiguity, and an advanced version of the Wilson-Devinney synthetic light curve program is used to analyze and solve the system. A reasonably robust set of parameters is obtained. TY Boo is found to be a W-type W UMa system with a mass ratio near two and a contact parameter of 0.12 + or - 0.903, indicating only shallow contact.

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