Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005mnras.363.1272y&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 363, Issue 4, pp. 1272-1278.
Astronomy and Astrophysics
Astronomy
11
Techniques: Photometric, Binaries: Eclipsing, Stars: Fundamental Parameters, Stars: Individual: V781 Tau, Stars: Individual: V836 Cyg
Scientific paper
We present a detailed photometric study of the low-temperature contact binary V781 Tau, and the near-contact binary V836 Cyg. We have combined the parameters obtained from the light-curve analysis with those found by the spectral studies and we have determined the orbital and physical parameters of the stars. We have collected the times of the mid-eclipses obtained so far and combined with the times obtained in this study. By analysing all these data we determined the mass transfer rate from the massive star to the less massive one for V781 Tau, and from the less massive component to the massive one in the case of V836 Cyg. Finally, we have compared the results obtained for V781 Tau and for V836 Cyg with similar systems.
Gülmen Ömür
Kalomeni Belinda
Ulas Burak
Yakut Kadri
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