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题名: The radio structure of 3C 316, a galaxy with double-peaked narrow optical emission lines
作者: An, T.1, 2, 3; Paragi, Z.4; Frey, S.5; Xiao, T.1, 6; Baan, W. A.1, 2; Komossa, S.7; Gabanyi, K. E.8; Xu, Y. -H.9; Hong, X. -Y.1, 3
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2013-08-01
卷号: 433, 期号:2, 页码:1161-1171
关键词: galaxies: active ; galaxies: individual: 3C 316 ; galaxies: ISM ; galaxies: jets ; radio continuum: galaxies
DOI: 10.1093/mnras/stt801
文章类型: Article
英文摘要: The galaxy 3C 316 is the brightest in the radio band among the optically selected candidates exhibiting double-peaked narrow optical emission lines. Observations with the Very Large Array, Multi-Element Remotely Linked Interferometer Network (e-MERLIN), and the European Very Long Baseline Interferometry Network (EVN) at 5 GHz have been used to study the radio structure of the source in order to determine the nature of the nuclear components and to determine the presence of radio cores. The e-MERLIN image of 3C 316 reveals a collimated coherent east-west emission structure with a total extent of about 3 kpc. The EVN image shows seven discrete compact knots on an S-shaped line. However, none of these knots could be unambiguously identified as an active galactic nucleus (AGN) core. The observations suggest that the majority of the radio structure belongs to a powerful radio AGN, whose physical size and radio spectrum classify it as a compact steep-spectrum source. Given the complex radio structure with radio blobs and knots, the possibility of a kpc-separation dual AGN cannot be excluded if the secondary is either a naked core or radio quiet.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: ACTIVE GALACTIC NUCLEI ; DIGITAL SKY SURVEY ; BLACK-HOLE MASS ; VELOCITY DISPERSION ; HOST GALAXY ; INTERSTELLAR EXTINCTION ; LUMINOSITY FUNCTION ; SEYFERT-1 GALAXIES ; REGION KINEMATICS ; WARM OUTFLOW
收录类别: SCI
语种: 英语
WOS记录号: WOS:000321462300020
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15530
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Netherlands Inst Radio Astron ASTRON, NL-7990 AA Dwingeloo, Netherlands
3.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100864, Peoples R China
4.Joint Inst VLBI Europe, NL-7990 AA Dwingeloo, Netherlands
5.FOMI Satellite Geodet Observ, H-1592 Budapest, Hungary
6.Key Lab Res Galaxies & Cosmol, Shanghai 200030, Peoples R China
7.Max Planck Inst Radioastron, D-53121 Bonn, Germany
8.MTA Res Ctr Astron & Earth Sci, Konkoly Observ, H-1525 Budapest, Hungary
9.Chinese Acad Sci, Yunnan Astron Observ, Kunming, Peoples R China
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