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Three-dimensional orbit and physical parameters of HD 6840
Wang, Xiao-Li1,2; Ren, Shu-Lin1; Fu, Yan-Ning1
2016-02-01
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
卷号16期号:2
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.
文章类型Article
关键词Binaries: Spectroscopic Astrometry Stars: Fundamental Parameters Stars: Individual (Hd 6840)
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/1674-4527/16/2/033
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
语种英语
项目资助者National Natural Science Foundation of China(11073059 ; 10833001 ; 11178006 ; 11273066 ; 11203086)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000369252500013
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/16123
专题历算和天文参考系研究团组
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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Wang, Xiao-Li,Ren, Shu-Lin,Fu, Yan-Ning. Three-dimensional orbit and physical parameters of HD 6840[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(2).
APA Wang, Xiao-Li,Ren, Shu-Lin,&Fu, Yan-Ning.(2016).Three-dimensional orbit and physical parameters of HD 6840.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(2).
MLA Wang, Xiao-Li,et al."Three-dimensional orbit and physical parameters of HD 6840".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.2(2016).
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