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题名: A first-order dynamical model of hierarchical triple stars and its application
作者: Xu, Xing-Bo1, 2; Xia Fang(夏芳)1; Fu YanNing(傅燕宁)1
刊名: RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期: 2015-11-01
卷号: 15, 期号:11, 页码:1857-1866
关键词: celestial mechanics ; binaries: general ; stars: kinematics and dynamics ; methods: analytical
DOI: 10.1088/1674-4527/15/11/008
文章类型: Article
英文摘要: For most hierarchical triple stars, the classical double two-body model of zeroth-order cannot describe the motions of the components under the current observational accuracy. In this paper, Marchal's first-order analytical solution is implemented and a more efficient simplified version is applied to real triple stars. The results show that, for most triple stars, the proposed first-order model is preferable to the zeroth-order model both in fitting observational data and in predicting component positions.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: MULTIPLE STARS ; 3-BODY PROBLEM ; CD-ROM ; CATALOG ; STABILITY ; ORBITS ; SYSTEM
收录类别: SCI
项目资助者: National Natural Science Foundation of China(11178006 ; 11203086)
语种: 英语
WOS记录号: WOS:000365467400008
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16076
Appears in Collections:历算和天文参考系研究团组_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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