A photometric study of early-type contact binary CT Tauri

Details A photometric study of early-type contact binary CT Tauri A photometric study of early-type contact binary CT Tauri

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aca....43..249p&link_type=abstract

Acta Astronomica, vol. 43, no. 3, p. 249-257

Astronomy and Astrophysics

Astronomy

2

Eclipsing Binary Stars, Photometry, Stellar Evolution, Astronomical Models, Hot Stars, Minima

Scientific paper

We present a photometric analysis of a short period binary system CT Tau. New times of minima indicate no period changes over the last 30 years. CT Tau is in a quiet evolutionary phase without any trace of mass exchange between components. The photometric solution is also presented. We found a dumbbell-shaped configuration of the system with the fill-out factor close to unity and mass ratio q = 1. The masses, radii, and temperatures of two components are identical (log M= 0.60, log R = 0.51, and log T = 4.26) and the system is located at the distance d approximately equals 1.5 kpc.

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