Published January 1, 2012
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Physical parameters of some close binaries: ET Boo, V1123 Tau, V1191 Cyg, V1073 Cyg and V357 Peg
Creators
- 1. Ankara Univ, Fac Sci, Dept Astron & Space Sci, TR-06100 Ankara, Turkey
- 2. Nigde Univ, Fac Arts & Sci, Dept Phys, TR-51240 Nigde, Turkey
- 3. Ankara Univ Observ, TR-06837 Ankara, Turkey
Description
With the aim of providing new and up-to-date absolute parameters of some close binary systems, new BVR CCD photometry was carried out at the Ankara University Observatory (AUG) for five eclipsing binaries, ET Boo, V1123 Tau, V1191 Cyg, V1073 Cyg and V357 Peg between April, 2007 and October, 2008. In this paper, we present the orbital solutions for these systems obtained by simultaneous light and radial velocity curve analyses. Extensive orbital solution and absolute parameters for ET Boo system were given for the first time through this study. According to the analyses, ET Boo is a detached binary while the parameters of four remaining systems are consistent with the nature of contact binaries. The evolutionary status of the components of these systems are also discussed by referring to their absolute parameters found in this study. (C) 2012 Elsevier B.V. All rights reserved.
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