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Photometric and period analysis of contact binary V608 Cassiopeiae
Liu L(刘亮)1,2,3; Qian SB(钱声帮)1,2,3; He JJ(何家佳)1,2; Li LJ(李临甲)1,2,3; Zhao EG(赵二刚)1,2; Jiang LQ(江林巧)1,2,3; Han ZT(韩忠涛)1,2,3; Liu, L (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊NEW ASTRONOMY
2016-02
卷号43页码:1-5
DOI10.1016/j.newast.2015.07.005
产权排序第1完成单位
收录类别SCI
关键词Stars: Binaries: Close Stars: Binaries: Eclipsing Stars: Binaries: Evolution Stars: Individual: V608 Cassiopeiae
摘要The first complete VRcIc light curves of V608 Cas are presented and analyzed by using the 2010 version of the W-D code. The photometric results show that V608 Cas is a moderate mass-ratio (q = 0.373 +/- 0.005), shallow contact (f = 19.7 +/- 4.9%) binary. A cool spot is present on the massive component. The orbital period of V608 Cas may increase continuously according to the (0 - C) diagram, with a rate of dP/dt = +6.49 x 10(-7) days/year. The fundamental parameters of V608 Cas are estimated as: M-1 = 0.95 +/- 0.15M(circle dot), M-2 = 035 +/- 0.08M(circle dot), R-1 = 0.78 +/- 0.12R(circle dot), R-2 = 0.50 +/- 0.10R(circle dot), L-1 = 0.563 +/- 0.112L(circle dot), L-2 = 0.233 +/- 0.086L(circle dot), where the uncertainties mainly come from the uncertainty of the primary's effective temperature. (C) 2015 Elsevier B.V. All rights reserved.
项目资助者Chinese Natural Science Foundation(11133007,11325315) ; West Light Foundation of the Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1384-1076
URL查看原文
归档日期2015-11-23
WOS记录号WOS:000362606800001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]THERMAL RELAXATION OSCILLATION ; URSAE MAJORIS SYSTEMS ; OVERCONTACT BINARIES ; VELOCITY CURVES ; STARS ; LIGHT
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9381
专题双星与变星研究组
中国科学院天体结构与演化重点实验室
通讯作者Liu, L (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences (CAS), P.O. Box 110, 650011 Kunming, PR China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, PR China
3.University of the Chinese Academy of Sciences, Yuquan Road 19#, Sijingshang Block, 100049 Beijing, PR China
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GB/T 7714
Liu L,Qian SB,He JJ,et al. Photometric and period analysis of contact binary V608 Cassiopeiae[J]. NEW ASTRONOMY,2016,43:1-5.
APA Liu L.,Qian SB.,He JJ.,Li LJ.,Zhao EG.,...&Liu, L .(2016).Photometric and period analysis of contact binary V608 Cassiopeiae.NEW ASTRONOMY,43,1-5.
MLA Liu L,et al."Photometric and period analysis of contact binary V608 Cassiopeiae".NEW ASTRONOMY 43(2016):1-5.
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