The Contact Binary System Ty-Booti

Details The Contact Binary System Ty-Booti The Contact Binary System Ty-Booti

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.246...42r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 246, NO. 1/SEP1, P. 42, 1990

Astronomy and Astrophysics

Astronomy

8

Scientific paper

Radial velocities of the contact binary system TY Boo are presented for the first time. Orbital solutions for both components are combined with an analysis of the B lightcurve data published by Samec & Bookmyer to yield masses and absolute dimensions for the components. It is shown that the system is a normal W-type shallow-contact binary, with the primary as a main-sequence star and the secondary ≃ 1.4 times larger than expected for its ZAMS mass. A survey of published times of minima confirms that the system has undergone significant changes in orbital period during this century, but that currently it is in a stable state.

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