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Unbiased Distribution of Binary Parameters from LAMOST and Kepler Observations
Zhang J(张嘉)1,2; Qian SB(钱声帮)1,2; Wu, Yue3; Zhou X(周肖)1,4
发表期刊ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2019-10-01
卷号244期号:2页码:19
DOI10.3847/1538-4365/ab442b
产权排序第1完成单位
收录类别SCI
关键词binaries: eclipsing binaries: general
摘要

The parameter distribution of binaries is a fundamental knowledge of the stellar systems. A statistical study on the binary stars is carried out based on the LAMOST spectral and Kepler photometric database. We presented a catalog of 1320 binary stars with plentiful parameters, including period, binary subtype, atmosphere parameters (T-eff, [Fe/H], and log g), and the physical properties, such as mass, radius, and age, for the primary component stars. Based on this catalog, the unbiased distribution, rather than the observed distribution, was obtained after the correction of selection biases by the Monte Carlo method considering comprehensive affecting factors. For the first time, the orbital eccentricity distribution of the detached binaries is presented. The distribution differences between the three subtypes of binaries (detached, semidetached, and contact) are demonstrated, which can be explained by the generally accepted evolutional scenarios. Many characteristics of the binary stars, such as huge mass transfer on semidetached binaries, period cutoff on contact binaries, period-temperature relationship of contact binaries, and the evolved binaries, are reviewed by the new database. This work supports a common evolutionary scenario for all subtypes of binary stars.

资助项目National Development and Reform Commission ; NASA Science Mission directorate ; Chinese Natural Science Foundation[11703082] ; Chinese Natural Science Foundation[11703080] ; Chinese Natural Science Foundation[11933008] ; Chinese Natural Science Foundation[11403056] ; Yunnan Natural Science Foundation[2018FB006]
项目资助者National Development and Reform Commission ; NASA Science Mission directorate ; Chinese Natural Science Foundation[11703082, 11703080, 11933008, 11403056] ; Yunnan Natural Science Foundation[2018FB006]
语种英语
学科领域天文学 ; 恒星与银河系 ; 恒星天文学
学科门类理学 ; 理学::天文学
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0067-0049
URL查看原文
WOS记录号WOS:000502057800017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]PARSEC EVOLUTIONARY TRACKS ; ECLIPSING BINARY ; STELLAR EVOLUTION ; MASSIVE STARS ; IDENTIFICATION ; MODELS ; I.
引用统计
被引频次:28[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/114a53/21448
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
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, People's Republic of China
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, People's Republic of China
3.Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, People's Republic of China
4.National Astronomical Research Institute of Thailand, 260 Moo 4, T. Donkaew, A. Maerim, Chiangmai, 50180, Thailand
第一作者单位中国科学院云南天文台
推荐引用方式
GB/T 7714
Zhang J,Qian SB,Wu, Yue,et al. Unbiased Distribution of Binary Parameters from LAMOST and Kepler Observations[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2019,244(2):19.
APA Zhang J,Qian SB,Wu, Yue,&Zhou X.(2019).Unbiased Distribution of Binary Parameters from LAMOST and Kepler Observations.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,244(2),19.
MLA Zhang J,et al."Unbiased Distribution of Binary Parameters from LAMOST and Kepler Observations".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 244.2(2019):19.
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