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The extraneous eclipses on binary light curves: KIC 5255552, KIC 10091110, and KIC 11495766
Zhang J(张嘉)1,2; Qian SB(钱声帮)1,2; Wang, S.M.3; Sun LL(孙磊磊)1,2; Y. Wu4; L. Q. Jiang5
发表期刊ASTRONOMY & ASTROPHYSICS
2018-03-05
卷号610
DOI10.1051/0004-6361/201630072
产权排序第1完成单位
收录类别SCI ; EI
关键词Binaries: Eclipsing Techniques: Photometric Methods: Observational
摘要

Aims. We aim to find more eclipsing multiple systems and obtain their parameters, thus increasing our understanding of multiple systems. 

Methods. The extraneous eclipses on the Kepler binary light curves indicating extraneous bodies were searched. The binary light curves were analyzed using the binary model, and the extraneous eclipses were studied on their periodicity and shape changes. 

Results. Three binaries with extraneous eclipses on the binary light curves were found and studied based on the Kepler observations. The object KIC 5255552 is an eclipsing triple system with a fast changing inner binary and an outer companion uncovered by three groups of extraneous eclipses of 862.1(+/- 0.1) d period. The KIC 10091110 is suggested to be a double eclipsing binary system with several possible extraordinary coincidences: the two binaries share similar extremely small mass ratios (0.060(13) and 0.0564(18)), similar mean primary densities (0.3264(42) rho(circle dot) and 0.3019(28) rho(circle dot)), and, most notably, the ratio of the two binaries' periods is very close to integer 2 (8.5303353/4.2185174 = 2.022). The KIC 11495766 is a probable triple system with a similar to 120.73 d period binary and (at least) one non-eclipse companion. Furthermore, very close to it in the celestial sphere, there is a blended background stellar binary of 8.3404432 d period. A first list of 25 eclipsing multiple candidates is presented, with the hope that it will be beneficial for study of eclipsing multiples.

资助项目NASA Science Mission directorate ; Chinese Natural Science Foundation[11703082] ; Chinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[11325315] ; Chinese Natural Science Foundation[11403056] ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation[Y5XB071001] ; Guangdong Provincial Engineering Technology Research Center for Data Science ; National Natural Science Foundation of China (NSFC)[U1631108] ; Chinese Academy of Sciences (CAS)[U1631108] ; Sichuan University of Science and Engineering[2015RC42] ; Chinese Academy of Sciences[KGZD-EW-603] ; Chinese Academy of Sciences[XDB09010202] ; Science Foundation of Yunnan Province[2012HC011]
项目资助者NASA Science Mission directorate ; Chinese Natural Science Foundation[11703082, 11133007, 11325315, 11403056] ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation[Y5XB071001] ; Guangdong Provincial Engineering Technology Research Center for Data Science ; National Natural Science Foundation of China (NSFC)[U1631108] ; Chinese Academy of Sciences (CAS)[U1631108] ; Sichuan University of Science and Engineering[2015RC42] ; Chinese Academy of Sciences[KGZD-EW-603, XDB09010202] ; Science Foundation of Yunnan Province[2012HC011]
语种英语
学科领域天文学 ; 恒星与银河系
学科门类理学 ; 理学::天文学
文章类型Article
出版者EDP SCIENCES S A
出版地17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE
ISSN1432-0746
URL查看原文
WOS记录号WOS:000427142500004
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Hierarchical Triple ; Velocity Curves ; Stars ; Planets ; System ; Giant
EI入藏号20181104888682
EI主题词Astrophysics
EI分类号657.2extraterrestrial Physics And Stellar Phenomena
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12117
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Zhang J(张嘉)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming; 650216, China
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming; 650216, China
3.School of Mathematics and Physics, Handan University, Handan; 056005, China
4.Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing; 100012, China
5.School of Physics and Electronic Engineering, Sichuan University of Science and Engineering, Zigong; 643000, China
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Zhang J,Qian SB,Wang, S.M.,et al. The extraneous eclipses on binary light curves: KIC 5255552, KIC 10091110, and KIC 11495766[J]. ASTRONOMY & ASTROPHYSICS,2018,610.
APA Zhang J,Qian SB,Wang, S.M.,Sun LL,Y. Wu,&L. Q. Jiang.(2018).The extraneous eclipses on binary light curves: KIC 5255552, KIC 10091110, and KIC 11495766.ASTRONOMY & ASTROPHYSICS,610.
MLA Zhang J,et al."The extraneous eclipses on binary light curves: KIC 5255552, KIC 10091110, and KIC 11495766".ASTRONOMY & ASTROPHYSICS 610(2018).
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