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HIPPARCOS PHOTOCENTRIC ORBITS OF 72 SINGLE-LINED SPECTROSCOPIC BINARIES
Ren, Shulin; Fu, Yanning
2013-03-01
Source PublicationASTRONOMICAL JOURNAL
ISSN0004-6256
Volume145Issue:3Pages:81(7PP)
Corresponding AuthorRen, SL (reprint author), Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China. Email: rensl@pmo.ac.cn ; fyn@pmo.ac.cn
AbstractBy fitting the Hipparcos Intermediate Astrometric Data (HIAD), photocentric orbits can be obtained for the single-lined spectroscopic binaries (SB1s). In previous work, a simplifying approximation used in the fitting process was that the photocenter coincides with the primary, but simple arguments based on a mass-luminosity relation show that this approximation will introduce non-negligible deviation into photocentric orbits of a few SB1s. By fitting the revised HIAD without the approximation, the present paper tries to provide reliable photocentric orbits for those SB1s in the 9th Catalogue of Orbits of Spectroscopic Binaries having a reliable spectroscopic orbit of period between 50 days and 3.2 years. After a stringent assessment and screening process, we finally accept the photocentric orbits of 72 systems. Among these results, 37 orbits are obtained here for the first time. So far, only three of these systems are resolved with a known relative orbit. For each of them, the paired photocentric and relative orbits are in reasonably good agreement. For the 25 systems with a main-sequence primary, the masses of component stars and the semimajor axes of relative orbits are estimated for the purpose of planning ground-based observations.
KeywordBinaries: Spectroscopic Methods: Data Analysis Stars: Fundamental Parameters
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-6256/145/3/81
WOS KeywordPHOTOELECTRIC RADIAL-VELOCITIES ; INTERMEDIATE ASTROMETRIC DATA ; PROPER-MOTION STARS ; REVISED ORBIT ; URSAE MINORIS ; CHARA ARRAY ; SYSTEM ; INTERFEROMETER ; XI ; COMPANIONS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000314944100029
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9902
Collection历算和天文参考系研究团组
AffiliationChinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Ren, Shulin,Fu, Yanning. HIPPARCOS PHOTOCENTRIC ORBITS OF 72 SINGLE-LINED SPECTROSCOPIC BINARIES[J]. ASTRONOMICAL JOURNAL,2013,145(3):81(7PP).
APA Ren, Shulin,&Fu, Yanning.(2013).HIPPARCOS PHOTOCENTRIC ORBITS OF 72 SINGLE-LINED SPECTROSCOPIC BINARIES.ASTRONOMICAL JOURNAL,145(3),81(7PP).
MLA Ren, Shulin,et al."HIPPARCOS PHOTOCENTRIC ORBITS OF 72 SINGLE-LINED SPECTROSCOPIC BINARIES".ASTRONOMICAL JOURNAL 145.3(2013):81(7PP).
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