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题名: Three-dimensional orbit and physical parameters of HD 6840
作者: Wang, Xiao-Li1, 2; Ren ShuLin(任树林)1; Fu YanNing(傅燕宁)1
刊名: RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期: 2016-02-01
卷号: 16, 期号:2
关键词: binaries: spectroscopic ; astrometry ; stars: fundamental parameters ; stars: individual (HD 6840)
DOI: 10.1088/1674-4527/16/2/033
文章类型: Article
英文摘要: HD 6840 is a double-lined visual binary with an orbital period of similar to 7.5 years. By fitting the speckle interferometric measurements made by the 6 m BTA telescope and 3.5 m WIYN telescope, Balega et al. gave a preliminary astrometric orbital solution of the system in 2006. Recently, Griffin derived a precise spectroscopic orbital solution from radial velocities observed with OPH and Cambridge Coravel. However, due to the low precision of the determined orbital inclination, the derived component masses are not satisfying. By adding the newly collected astrometric data in the Fourth Catalog of Interferometric Measurements of Binary Stars, we give a three-dimensional orbit solution with high precision and derive the preliminary physical parameters of HD 6840 via a simultaneous fit including both astrometric and radial velocity measurements.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: GALACTIC CHEMICAL EVOLUTION ; NEARBY MULTIPLE STARS ; BINARY STARS ; SPECKLE INTERFEROMETRY ; ACCURATE MASSES ; WIYN TELESCOPE ; ABUNDANCES ; CATALOG ; DWARF ; RADII
收录类别: SCI
项目资助者: National Natural Science Foundation of China(11073059 ; 10833001 ; 11178006 ; 11273066 ; 11203086)
语种: 英语
WOS记录号: WOS:000369252500013
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16123
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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