YNAO OpenIR  > 双星与变星研究组
Two twin binaries with nearly identical components: KIC 4826439 and KIC 6045264
Zhang J(张嘉)1,2; Qian SB(钱声帮)1,2; Wang, SM3; Wu, Y4; Jiang, LQ5; Jiang, LQ, Email: jianglinqiao11@163.com
2017-06-01
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
ISSN0004-6264
卷号69期号:3页码:1-11
产权排序第1完成单位
摘要Two twin binaries, KIC 4826439 and KIC 6045264, with very similar component stars were found photometrically based on Kepler eclipsing binary light curves. The absolute parameters of the massive components are 1.156(0.03) M-circle dot, 1.881(0.02) R-circle dot, 6065 K for KIC 4826439, and 0.874(0.3) M-circle dot, 1.206(0.02) R-circle dot, 6169(30) K for KIC 6045264. The differences between the components are less than two percent for all the parameters. A very low proportion of twin binaries (2/1592 approximate to 0.13%) was found, which does not support the previous findings of excesses of twins on binary mass ratio distribution, but supports a deficiently low proportion of twins. A new method is used to work out the absolute parameters of the two twins without the radial velocities. This method requires the solution of the light curves, the spectra, and the evolutionary isochrones covering the complete stellar parameter space, simultaneously. We also studied their evolution tracks: KIC 4826439 will experience an unstable mass transfer stage followed by an unclear ending, and KIC 6045264 will become a single star via an over-contact phase. It seems highly unlikely that the two twin binaries will produce twin degenerate binaries, although they have quite similar components.
关键词Binaries: Eclipsing Stars: Evolution Stars: Fundamental Parameters Techniques: Photometric
学科领域天文学
DOI10.1093/pasj/psx023
项目资助者NASA(NAS5-26555) ; NASA Office of Space Science(NNX09AF08G) ; NASA Science Mission directorate ; West Light Foundation of The Chinese Academy of Sciences ; Yunnan Natural Science Foundation(Y5XB071001) ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Sichuan University of Science and Engineering(2015RC42) ; Chinese Natural Science Foundation(11133007, 11325315, 11403056, 11573061, 11390374, 11373063, U1631108) ; Key Research Program of the Chinese Academy of Sciences(KGZD-EW-603) ; Science Foundation of Yunnan Province(2012HC011) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09010202)
URL查看原文
收录类别SCI
语种英语
文章类型Article
WOS研究方向Astronomy & Astrophysics
归档日期2017-11-02
WOS标题词Science & Technology ; Physical Sciences
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000430860300001
关键词[WOS]MASSIVE PROTOSTELLAR CORES ; PARSEC EVOLUTIONARY TRACKS ; STELLAR EVOLUTION ; SPECTROSCOPIC BINARIES ; VELOCITY CURVES ; KEPLER FIELD ; LIGHT CURVES ; STAR LIGHT ; SYSTEMS ; FRAGMENTATION
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/11906
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Jiang, LQ, Email: jianglinqiao11@163.com
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 & Engineering, Zigong 643000, China
推荐引用方式
GB/T 7714
Zhang J,Qian SB,Wang, SM,et al. Two twin binaries with nearly identical components: KIC 4826439 and KIC 6045264[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2017,69(3):1-11.
APA Zhang J,Qian SB,Wang, SM,Wu, Y,Jiang, LQ,&Jiang, LQ, Email: jianglinqiao11@163.com.(2017).Two twin binaries with nearly identical components: KIC 4826439 and KIC 6045264.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,69(3),1-11.
MLA Zhang J,et al."Two twin binaries with nearly identical components: KIC 4826439 and KIC 6045264".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 69.3(2017):1-11.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Two twin binaries wi(1084KB)期刊论文出版稿开放获取CC BY-NC-SA请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Zhang J(张嘉)]的文章
[Qian SB(钱声帮)]的文章
[Wang, SM]的文章
百度学术
百度学术中相似的文章
[Zhang J(张嘉)]的文章
[Qian SB(钱声帮)]的文章
[Wang, SM]的文章
必应学术
必应学术中相似的文章
[Zhang J(张嘉)]的文章
[Qian SB(钱声帮)]的文章
[Wang, SM]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。