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http://dx.doi.org/10.5140/JASS.2012.29.2.131

The Evolutionary Statuses of Solar Type Detached Eclipsing Binary Stars  

Kanjanascul, Chanisa (Department of Astronomy and Space Science, Sejong University)
Bach, Kie-Huon (Department of Astronomy, Yonsei University)
Hong, Kyeong-Soo (Department of Astronomy and Space Science, Sejong University)
Kim, Sung-Eun (Department of Astronomy and Space Science, Sejong University)
Lee, Jae-Woo (Department of Astronomy and Space Science, Sejong University)
Kang, Young-Woon (Department of Astronomy and Space Science, Sejong University)
Publication Information
Journal of Astronomy and Space Sciences / v.29, no.2, 2012 , pp. 131-140 More about this Journal
Abstract
We presented fundamental stellar parameters and evolutionary statuses of six solar type detached eclipsing binaries whose masses are in the range of 0.97-1.43 $M_{\odot}$. EK Cep and FL Lyr belong to the zero age main sequence. HS Hya, IT Cas and CD Tau are on the main sequence. Their ages are 1.3, 1.9 and 2.2 Gyr, respectively. Both component stars of AI Phe evolved to sub giants and its age is 4.0 Gyr. Those ages of the detached binary systems show good agreement with the time scale for synchronization and circularization of the binary systems.
Keywords
stars; eclipsing binary stars; stellar evolution;
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