2020
DOI: 10.48550/arxiv.2005.13966
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The first photometric investigation of the contact binary OQ Cam

Ya-Ni Guo,
Kai Li,
Qi-Qi Xia
et al.

Abstract: The first charge-coupled device photometric light curves in B, V, R c , and I c bands of the short-period contact binary star OQ Cam are presented. Through analyzing the light curves with the Wilson-Devinney code, it is found that OQ Cam is a W-type shallow contact binary star with a contact degree of f =20.2%. Based on the O-C analyzing, the orbit period displays a long term increasing with a rate of dP/dt = 4.40×10 −7 day •year −1 . The increasing in orbit period can be interpreted by mass transfer from the … Show more

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