Photometric investigation of two contact binaries in the young open cluster NGC 957

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• 作者：ChangQing Luo ; ^a ; ^{changqingluo@bao.ac.cn} ; XiaoBin Zhang^a ; Licai Deng^a ; Kun Wang^b ; Yangping Luo^b ; Xiangsong Fang^a
• 关键词：Binaries ; close - binaries ; eclipsing ; Evolution - stars ; Individual (V4 and V5 in NGC 957)
• 刊名：New Astronomy
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：52
• 期：Complete
• 页码：29-34
• 全文大小：3470 K
• 卷排序：52

文摘

The multi-color CCD photometry of the open cluster NGC 957 are presented. Two contact binaries V4 and V5 were discovered and analyzed using the W-D method. V4 and V5 are A-subtype system and V5 presents the O’Connell effect. The member of the two contact binaries V4 and V5 are discussed.