An Eccentric Eclipsing Binary: CGAur
Esin Sipahi, Hasan Ali Dal
TL;DR
This paper presents multi-color photometric observations and analysis of the Algol-type binary CG Aur, revealing its detached configuration, temperature difference, and main sequence status of its components.
Contribution
First multi-color light curves and detailed analysis of CG Aur, providing new insights into its physical parameters and evolutionary status.
Findings
CG Aur is a detached Algol binary.
The system's components have a temperature difference of about 1000 K.
The primary star is slightly evolved from the ZAMS.
Abstract
In this study, we present CG Aur's photometric observations obtained in the observing seasons 2011 and 2012, the first available multi-colour light curves. Their shape indicates that the system is an Algol binary. The light curve analyses reveal that CG Aur is a detached binary system with an effective temperature difference between the components, approximately 1000 K. The first estimate of the absolute dimensions of the components indicated that the system locates on the main sequence in the HR diagram. The primary component is slightly evolved from the ZAMS.
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