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Galaxy group around giant radio galaxy NGC 315
Chen, R.1,2; Peng, B.1,2,3; Strom, R. G.1,4,5,6; Wei, J.1
2012-03-01
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号420期号:3页码:2715-2726
摘要We have investigated the environment of the giant radio galaxy NGC 315 with its associated group of galaxies selected by their spectroscopic redshifts. Observations were made with the 2.16-m optical telescope at Xinglong Station of the National Astronomical Observatories of China. In addition to 25 galaxies near NGC 315 with published redshifts, we have successfully determined 21 new redshifts of candidates, five of which are previously unknown members of the NGC 315 galaxy group. We examine and discuss the spatial structure and kinematics of this group (which is part of the PerseusPisces filament). Nearly 40 per cent of its members are concentrated near NGC 315, close to the emission from its brighter radio jet. The X-ray luminosity implied by the optical velocity dispersion is higher than that derived empirically from observations of other groups, suggesting that X-ray-emitting gas within the NGC 315 group has a low density. This may be one reason for the size of the radio source.
文章类型Article
关键词Techniques: Spectroscopic Ism: Jets And Outflows Galaxies: Active Galaxies: Distances And Redshifts Galaxies: Individual: Ngc 315 Galaxies: Ism
WOS标题词Science & Technology ; Physical Sciences
DOI10.1111/j.1365-2966.2011.20245.x
关键词[WOS]PISCES-PERSEUS SUPERCLUSTER ; X-RAY ; MULTIFREQUENCY OBSERVATIONS ; GROUP MEMBERSHIP ; SCALE STRUCTURE ; REDSHIFT SURVEY ; NGC-315 ; JETS ; SAMPLE ; CLUSTERS
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000300702200068
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15561
专题暗物质和空间天文实验室
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
3.Joint Lab Radio Astron Technol, Beijing 100012, Peoples R China
4.Netherlands Inst Radio Astron ASTRON, NL-7990 AA Dwingeloo, Netherlands
5.Univ Amsterdam, Fac Sci, Astron Inst Anton Pannekoek, NL-1012 WX Amsterdam, Netherlands
6.James Cook Univ, Ctr Astron, Townsville, Qld 4811, Australia
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Chen, R.,Peng, B.,Strom, R. G.,et al. Galaxy group around giant radio galaxy NGC 315[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2012,420(3):2715-2726.
APA Chen, R.,Peng, B.,Strom, R. G.,&Wei, J..(2012).Galaxy group around giant radio galaxy NGC 315.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,420(3),2715-2726.
MLA Chen, R.,et al."Galaxy group around giant radio galaxy NGC 315".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 420.3(2012):2715-2726.
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