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KIC 6464285: A Solar-type Eclipsing Binary in a Hierarchical Triple System with Quasiperiodic Out-of-eclipse Modulations

文献类型：期刊论文

作者Meng FB(孟芳斌)1,2; Zhu LY(朱俐颖)1,2; Qian, Sheng-Bang3; Asfandiyarov, Ildar4; Matekova, Zizbek1,2,4; Baltamuratov, Jaqsiliq4; Liao WP(廖文萍)1,2; Luo, A-Li5,6,7; Hou, Wen5; Li P(李平)1,2
刊名ASTROPHYSICAL JOURNAL
出版日期2026-06-01
卷号1003期号:2
ISSN号0004-637X
DOI10.3847/1538-4357/ae677e
产权排序第1完成单位
文献子类Article
英文摘要We present the first detailed analysis of the solar-type triple system KIC 6464285. Combining long-term, high-precision photometry from Kepler, the Transiting Exoplanet Survey Satellite, and the Zwicky Transient Facility with low-resolution spectra from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope and near-infrared high-resolution spectra from the Apache Point Observatory Galactic Evolution Experiment of the Sloan Digital Sky Survey, we performed a joint analysis of the light curves (LCs), eclipse timing variations (ETVs), and radial velocities. Spectroscopic analysis reveals the system to be triple-lined, with the inner binary's primary being a G-type main-sequence star and a mass ratio of 0.627(7). LC modeling indicates that the inner binary is detached, with filling factors of approximately 26% and 11% for the primary and secondary, respectively, and a tertiary light contribution of about 27%. ETV analysis shows a significant light-travel-time effect (LTTE), consistent with the presence of the tertiary companion, whose minimum mass is estimated as M3,min=0.74(1)M circle dot . The LC exhibits a pronounced O'Connell effect and quasiperiodic variations, indicative of starspot activity modulating the photometry on a similar to 131 day timescale. Kepler observations further reveal 30 superflares, each with total energies exceeding 1034 erg. This study presents detailed observational constraints on the orbital configuration, stellar properties, and magnetic activity of KIC 6464285, providing a benchmark for studies of hierarchical triple systems.
学科主题天文学 ; 恒星与银河系
URL标识查看原文
出版地No.2 The Distillery, Glassfields, Avon Street, Bristol, ENGLAND
WOS关键词STELLAR ; COMPANIONS ; EVOLUTION ; CATALOG ; II.
资助项目National Natural Science Foundation of Chian[12573038]; International Cooperation Projects of the National Key RD Program[2022YFE0127300]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001770262000001
出版者IOP Publishing Ltd
资助机构National Natural Science Foundation of Chian[12573038] ; International Cooperation Projects of the National Key RD Program[2022YFE0127300]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/29233]  
专题云南天文台_双星与变星研究组
通讯作者Zhu LY(朱俐颖)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences (CAS), Kunming 650216, People’s Republic of China; zhuly@ynao.ac.cn;
2.University of Chinese Academy of Sciences, No.1 Yanqihu East Rd, Huairou District, Beijing 101408, People’s Republic of China;
3.Department of Astronomy, School of Physics and Astronomy, Yunnan University, Kunming 650091, People’s Republic of China;
4.Ulugh Beg Astronomical Institute, Uzbekistan Academy of Sciences, 33, Astronomicheskaya, Tashkent 100052, Uzbekistan;
5.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, People’s Republic of China;
6.School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China;
7.University of Chinese Academy of Sciences, Nanjing 211135, People’s Republic of China
推荐引用方式
GB/T 7714		 Meng FB,Zhu LY,Qian, Sheng-Bang,et al. KIC 6464285: A Solar-type Eclipsing Binary in a Hierarchical Triple System with Quasiperiodic Out-of-eclipse Modulations[J]. ASTROPHYSICAL JOURNAL,2026,1003(2).
APA 孟芳斌.,朱俐颖.,Qian, Sheng-Bang.,Asfandiyarov, Ildar.,Matekova, Zizbek.,...&何家佳.(2026).KIC 6464285: A Solar-type Eclipsing Binary in a Hierarchical Triple System with Quasiperiodic Out-of-eclipse Modulations.ASTROPHYSICAL JOURNAL,1003(2).
MLA 孟芳斌,et al."KIC 6464285: A Solar-type Eclipsing Binary in a Hierarchical Triple System with Quasiperiodic Out-of-eclipse Modulations".ASTROPHYSICAL JOURNAL 1003.2(2026).

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来源：云南天文台

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