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The nearby spiral density-wave structure of the Galaxy
Griv, Evgeny1; Jiang, Ing-Guey2; Hou, Li-Gang3
2017-07-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume468Issue:3Pages:3361-3367
AbstractAccurate measurements of distances and line-of-sight velocities of 19291 intermediate-old giant stars in the near-infrared with typical uncertainties in the distances and velocities of 5 per cent and 0.1 km s(-1) have recently been carried out to examine the Galactic disc with the APOGEE survey. In the framework of the Lin-Shu density-wave proposal for the galactic spiral structure, we use the APOGEE-RC DR13 data to investigate coherent non-axisymmetric flows within a few kiloparsecs from the Sun which are superimposed on a circular motion in the disc. Systematic wave-like departures of velocities from circular motion for stars are really detected. These systematic non-circular velocities are used to recover the parameters of the spiral arm segments of density waves of the Galaxy in the solar vicinity. The results of the work can be tested with the large amount of data from the Gaia satellite mission in the near future.
SubtypeArticle
KeywordGalaxy: Kinematics And Dynamics Galaxy: Structure Galaxies: Spiral
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationBinational U.S.-Israel Science Foundation ; Binational U.S.-Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israeli Ministry of Immigrant Absorption ; Israeli Ministry of Immigrant Absorption ; National Science Council in Taiwan ; National Science Council in Taiwan ; National Natural Science Foundation of China(11503033) ; National Natural Science Foundation of China(11503033) ; Binational U.S.-Israel Science Foundation ; Binational U.S.-Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israeli Ministry of Immigrant Absorption ; Israeli Ministry of Immigrant Absorption ; National Science Council in Taiwan ; National Science Council in Taiwan ; National Natural Science Foundation of China(11503033) ; National Natural Science Foundation of China(11503033)
DOI10.1093/mnras/stx610
WOS KeywordSTAR-FORMING REGIONS ; MILKY-WAY ; DISK GALAXIES ; GALACTIC DISK ; TRIGONOMETRIC PARALLAXES ; RADIAL MIGRATION ; OWN GALAXY ; ARMS ; APOGEE ; MODES
Indexed BySCI
Language英语
Funding OrganizationBinational U.S.-Israel Science Foundation ; Binational U.S.-Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israeli Ministry of Immigrant Absorption ; Israeli Ministry of Immigrant Absorption ; National Science Council in Taiwan ; National Science Council in Taiwan ; National Natural Science Foundation of China(11503033) ; National Natural Science Foundation of China(11503033) ; Binational U.S.-Israel Science Foundation ; Binational U.S.-Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israeli Ministry of Immigrant Absorption ; Israeli Ministry of Immigrant Absorption ; National Science Council in Taiwan ; National Science Council in Taiwan ; National Natural Science Foundation of China(11503033) ; National Natural Science Foundation of China(11503033)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000402808700067
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8807
Collection射电天文研究部
Affiliation1.Ben Gurion Univ Negev, Dept Phys, POB 653, IL-84105 Beer Sheva, Israel
2.Natl Tsing Hua Univ, Dept Phys, Kuang Fu Rd 101, Hsinchu 300, Taiwan
3.Chinese Acad Sci, Natl Astron Observ, 20A Da Tun Rd, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Griv, Evgeny,Jiang, Ing-Guey,Hou, Li-Gang. The nearby spiral density-wave structure of the Galaxy[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,468(3):3361-3367.
APA Griv, Evgeny,Jiang, Ing-Guey,&Hou, Li-Gang.(2017).The nearby spiral density-wave structure of the Galaxy.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,468(3),3361-3367.
MLA Griv, Evgeny,et al."The nearby spiral density-wave structure of the Galaxy".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 468.3(2017):3361-3367.
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