The orbital and physical parameters of the eclipsing binary OW Gemiorum

Details The orbital and physical parameters of the eclipsing binary OW Gemiorum The orbital and physical parameters of the eclipsing binary OW Gemiorum

2008-04-14

arxiv.org/abs/0804.2151v2

Obs.. 128 (2008) 298-317

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present our multicolour photometric data of the primary and secondary eclipses of OW Gem that took place in 1995, 2002, and 2006, as well as the new radial-velocity data collected since 1993 by R. F. Griffin and A. Duquennoy. The Wilson-Devinney code was used for the simultaneous solution of both photometric and spectroscopic data. A complete set of orbital and physical parameters of the components was obtained. The pair of values, eccentricity e=0.5286 and argument of periastron omega=140.73 degree, give better compatibility of the moment of the secondary minimum with the observations compared to previous estimates.

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