Deep, low mass ratio overcontact binary systems. v. the lowest mass ratio binary V857 herculis

• Main Authors: Qian S.-B., Zhu L.-Y., Soonthornthum B., Yuan J.-Z., Yang Y.-G., He J.-J.
• Format: Article
• Language: English
• Published: 2014
• Online Access: http://www.scopus.com/inward/record.url?eid=2-s2.0-25844440067&partnerID=40&md5=93fa733eea6e121adf3f4a5db0912368; http://cmuir.cmu.ac.th/handle/6653943832/4948
• Institution: Chiang Mai University

Charge-coupled device (CCD) photometric light curves in the B, V, and R bands of the complete eclipsing binary star V857 Her are presented. It is shown that the light curves of the W UMa-type binary are symmetric and of A type according to Binnendijk's classification. Our four epochs of light m...