FIRST PHOTOMETRIC SOLUTION OF A VERY SHORT PERIOD CONTACT BINARY BELOW THE PERIOD LIMIT

doi:10.1088/0004-6256/149/3/111

YNAO OpenIR > 双星与变星研究组

	FIRST PHOTOMETRIC SOLUTION OF A VERY SHORT PERIOD CONTACT BINARY BELOW THE PERIOD LIMIT
	Liu L(刘亮)1,2,3 ; Chen, WP 4,5; Qian SB(钱声帮)1,2,3 ; Chuang, RJ 6; Jiang LQ(江林巧)1,2,3 ; Lin, CS 7; Hsiao, HY 7
发表期刊	ASTRONOMICAL JOURNAL
	2015-03
卷号	149 期号:3
DOI	10.1088/0004-6256/149/3/111
产权排序	第1完成单位
收录类别	SCI
关键词	Binaries: Close Binaries: Eclipsing Stars: Evolution Stars: Individual (2mass 02272637+1156494)
摘要	The star 1SWASP J022727.03+115641.7 was reported as a contact binary with a period shorter than the empirical limit of such systems. Our study shows the star not to be variable. Instead, it is the nearby star, 2MASS 02272637 +1156494, that exhibits variability. The BRI CCD light curves of 2MASS 02272637+1156494 show the system to be a moderate mass ratio (2.154(-0.008)(+0.074)), and shallow contact (10.4(-1.9)(+1.4)%) W-type contact binary. The masses, radii, and luminosities of the binary components are, respectively, M-1 = 0.25(-0.01)(+0.05), M-circle dot, M-2 = 0.54(-0.04)(+0.11) M-circle dot, R-1 = 0.45(-0.01)(+0.02) R-circle dot, R-2 = 0.063(-0.02)(+0.04) R-circle dot, L-1 = 0.038(-0.005)(+0.018) L-circle dot, and L-2 = 0.071(-0.010)(+0.037) L-circle dot, with an estimated distance 326(-46)(+127) pc. These uncertainties mainly come from the errors of the colors used to estimate the temperature of the primary star. A dark spot was introduced on the massive component in the final solution.
资助项目	Chinese Natural Science Foundation[11103074] ; Chinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[11325315] ; Science Foundation of Yunnan Province[2012HC011] ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of sciences[XDB09010202] ; West Light Foundation of the Chinese Academy of Sciences
项目资助者	Chinese Natural Science Foundation[11103074, 11133007, 11325315] ; Science Foundation of Yunnan Province[2012HC011] ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of sciences[XDB09010202] ; West Light Foundation of the Chinese Academy of Sciences
语种	英语
学科领域	天文学 ; 恒星与银河系 ; 恒星天文学 ; 恒星形成与演化
文章类型	Article
出版者	IOP PUBLISHING LTD
出版地	TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN	0004-6256
URL	查看原文
归档日期	2015-07-20
WOS记录号	WOS:000352304000022
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	MASS ; STARS ; EVOLUTION ; SYSTEMS ; CURVES ; LIGHT ; FIELD
引用统计	被引频次：16[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/114a53/5921
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(刘亮)
作者单位	1.Yunnan Observatories, Chinese Academy of Sciences (CAS), P.O. Box 110, 650011 Kunming, China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, China 3.University of the Chinese Academy of Sciences, Yuquan Road 19#, Sijingshang Block, 100049 Beijing, China 4.Graduate Institute of Astronomy, National Central University, Taiwan 5.Department of Physics, National Central University, Taiwan 6.Department of Statistics & Information, Fu-Jen University, Taiwan, ROC. 7.Lulin Observatory, National Central University, Taiwan
第一作者单位	中国科学院云南天文台
通讯作者单位	中国科学院云南天文台
推荐引用方式 GB/T 7714	Liu L,Chen, WP,Qian SB,et al. FIRST PHOTOMETRIC SOLUTION OF A VERY SHORT PERIOD CONTACT BINARY BELOW THE PERIOD LIMIT[J]. ASTRONOMICAL JOURNAL,2015,149(3).
APA	Liu L.,Chen, WP.,Qian SB.,Chuang, RJ.,Jiang LQ.,...&Hsiao, HY.(2015).FIRST PHOTOMETRIC SOLUTION OF A VERY SHORT PERIOD CONTACT BINARY BELOW THE PERIOD LIMIT.ASTRONOMICAL JOURNAL,149(3).
MLA	Liu L,et al."FIRST PHOTOMETRIC SOLUTION OF A VERY SHORT PERIOD CONTACT BINARY BELOW THE PERIOD LIMIT".ASTRONOMICAL JOURNAL 149.3(2015).

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