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TRIGONOMETRIC PARALLAXES OF STAR FORMING REGIONS IN THE PERSEUS SPIRAL ARM
Choi, Y. K.1,2; Hachisuka, K.3; Reid, M. J.4; Xu, Y.5; Brunthaler, A.1; Menten, K. M.1; Dame, T. M.4
2014-08-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume790Issue:2Pages:0
AbstractWe report trigonometric parallaxes and proper motions of water masers for 12 massive star forming regions in the Perseus spiral arm of the Milky Way as part of the Bar and Spiral Structure Legacy (BeSSel) Survey. Combining our results with 14 parallax measurements in the literature, we estimate a pitch angle of 9 degrees.9 +/- 1 degrees.5 for a section of the Perseus arm. The three-dimensional Galactic peculiar motions of these sources indicate that on average they are moving toward the Galactic center and slower than the Galactic rotation.
KeywordAstrometry Galaxy: Kinematics And Dynamics Galaxy: Structure Masers Stars: Formation
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/790/2/99
WOS KeywordBASE-LINE INTERFEROMETRY ; MILKY-WAY ; FUNDAMENTAL PARAMETERS ; DISTANCE ; GALAXY ; VERA ; ASTROMETRY ; KINEMATICS ; MOTIONS ; VLBA
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Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000339115800016
Citation statistics
Cited Times:70[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10714
Collection紫金山天文台青海观测站
Affiliation1.Max Planck Inst Radioastron, D-53121 Bonn, Germany
2.Korea Astron & Space Sci Inst, Taejon 305348, South Korea
3.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
4.Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
5.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Choi, Y. K.,Hachisuka, K.,Reid, M. J.,et al. TRIGONOMETRIC PARALLAXES OF STAR FORMING REGIONS IN THE PERSEUS SPIRAL ARM[J]. ASTROPHYSICAL JOURNAL,2014,790(2):0.
APA Choi, Y. K..,Hachisuka, K..,Reid, M. J..,Xu, Y..,Brunthaler, A..,...&Dame, T. M..(2014).TRIGONOMETRIC PARALLAXES OF STAR FORMING REGIONS IN THE PERSEUS SPIRAL ARM.ASTROPHYSICAL JOURNAL,790(2),0.
MLA Choi, Y. K.,et al."TRIGONOMETRIC PARALLAXES OF STAR FORMING REGIONS IN THE PERSEUS SPIRAL ARM".ASTROPHYSICAL JOURNAL 790.2(2014):0.
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