Photometric Investigation of the Total-Eclipsing Contact Binary V12 in the Intermediate-age Open Cluster NGC 7789

NGC 7789 is an intermediate-age open cluster with an age that is similar to the mean age of contact binary stars. V12 is a bright UMa-type binary star with an orbital period of 0.397 day. The first complete light curves of V12 in V, R, and I bands are presented and analyzed with the W-D (Wilson and...

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Veröffentlicht in:	arXiv.org 2014-02
Hauptverfasser:	S -B Qian, Essam, A, J -J Wang, Ali, G B, Liu, L, A -A Haroon
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Eclipsing binary stars Inclination Light curve Mass transfer Open clusters Orbits Photometry Physics - Solar and Stellar Astrophysics Stellar age Stellar evolution
Online-Zugang:	Volltext
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