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The first orbital parameters and period variation of the short-period eclipsing binary AQ Boo
Wang, Shuai1,2; Zhang, Liyun1,2; Pi, Qingfeng1,2; Han, Xianming L.3; Zhang XL(张西亮)4; Lu, Hongpeng1,2; Wang, Daimei1,2; Li, TongAn1,2; Zhang, LY
发表期刊NEW ASTRONOMY
2016-10-01
卷号48页码:42-48
DOI10.1016/j.newast.2016.04.005
产权排序第4完成单位
收录类别SCI
关键词Stars Binaries Eclipsing - Stars Period Variation - Stars Individual Aq Boo
摘要We obtained the first VRI CCD light curves of the short-period contact eclipsing binary AQ Boo, which was observed on March 22 and April 19 in 2014 at Xinglong station of National Astronomical Observatories, and on January 20, 21 and February 28 in 2015 at Kunming station of Yunnan Observatories of Chinese Academy of Sciences, China. Using our six newly obtained minima and the minima that other authors obtained previously, we revised the ephemeris of AQ Boo. By fitting the O-C (observed minus calculated) values of the minima, the orbital period of AQ Boo shows a decreasing tendency P = -1.47(0.17) x 10(-7) days/year. We interpret the phenomenon by mass transfer from the secondary (more massive) component to the primary (less massive) one. By using the updated Wilson & Devinney program, we also derived the photometric orbital parameters of AQ Boo for the first time. We conclude that AQ Boo is a near contact binary with a low contact factor of 14.43%, and will become an over-contact system as the mass transfer continues. (C) 2016 Elsevier B.V. All rights reserved.
项目资助者Chinese Academy of Sciences (CAS)(11263001, 10978010, U1431114) ; Joint Fund of Astronomy of the National Natural Science Foundation of China (NSFC) ; Joint Fund of Department of Science and Technology of Guizhou Province ; Guizou University([2014]7642)
语种英语
文章类型Article
ISSN1384-1076
URL查看原文
WOS记录号WOS:000377819100008
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CONTACT BINARY ; SHALLOW CONTACT ; LIGHT CURVES ; STAR LIGHT ; CASSIOPEIAE ; CATALOG ; SYSTEMS
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9611
专题丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
通讯作者Zhang, LY
作者单位1.College of Science/Department of Physics & NAOC-GZU-Sponsored Center for Astronomy Research, Guizhou University, Guiyang 550025, P.R. China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, P.R. China
3.Dept. of Physics and Astronomy, Butler University, Indianapolis, IN 46208, USA
4.Butler Univ, Dept Phys & Astron, Indianapolis, IN 46208 USA
5.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, 65 0011, P.R. China
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Wang, Shuai,Zhang, Liyun,Pi, Qingfeng,et al. The first orbital parameters and period variation of the short-period eclipsing binary AQ Boo[J]. NEW ASTRONOMY,2016,48:42-48.
APA Wang, Shuai.,Zhang, Liyun.,Pi, Qingfeng.,Han, Xianming L..,Zhang XL.,...&Zhang, LY.(2016).The first orbital parameters and period variation of the short-period eclipsing binary AQ Boo.NEW ASTRONOMY,48,42-48.
MLA Wang, Shuai,et al."The first orbital parameters and period variation of the short-period eclipsing binary AQ Boo".NEW ASTRONOMY 48(2016):42-48.
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