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The nearby spiral density-wave structure of the Galaxy
Griv, Evgeny1; Jiang, Ing-Guey2; Hou, Li-Gang3
2017-07-01
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号468期号:3页码:3361-3367
摘要Accurate 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.
文章类型Article
关键词Galaxy: Kinematics And Dynamics Galaxy: Structure Galaxies: Spiral
WOS标题词Science & Technology ; Physical Sciences
资助者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) ; 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
关键词[WOS]STAR-FORMING REGIONS ; MILKY-WAY ; DISK GALAXIES ; GALACTIC DISK ; TRIGONOMETRIC PARALLAXES ; RADIAL MIGRATION ; OWN GALAXY ; ARMS ; APOGEE ; MODES
收录类别SCI
语种英语
资助者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) ; 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研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000402808700067
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8807
专题射电天文研究部
作者单位1.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
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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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