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题名: VLBI observation of the newly discovered z=5.18 quasar SDSS J0131-0321
作者: Gabanyi, K. E.1, 2; Cseh, D.3; Frey, S.1; Paragi, Z.4; Gurvits, L. I.4, 5; An, T.6, 7; Zhang, Y. K.6, 7
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2015-06-11
卷号: 450, 期号:1, 页码:L57-L60
关键词: techniques: interferometric ; galaxies: active ; galaxies: high-redshift ; quasars: individual: SDSS J013127-34-032100.1
DOI: 10.1093/mnrasl/slv046
文章类型: Article
英文摘要: Few high-redshift, radio-loud quasars are known to date. The extremely luminous, radio-bright quasar, SDSS J013127.34-032100.1 was recently discovered at a redshift of z = 5.18. We observed the source with high resolution very long baseline interferometry (VLBI) at 1.7 GHz with the European VLBI Network (EVN) and found a single compact radio component. We estimated a lower limit to the brightness temperature of the detected radio component, T-B similar to 10(11) K. Additionaly, when compared to archival radio data, the source showed significant flux density variation. These two findings are indicative of the blazar nature of the source.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: BLACK-HOLES ; SKY SURVEY ; REDSHIFT ; EVOLUTION ; GALAXIES ; SYSTEMS ; GROWTH ; IMAGES ; Z=6.12 ; VLA
收录类别: SCI
语种: 英语
WOS记录号: WOS:000355346000013
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15997
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.FOMI Satellite Geodet Observ, H-1592 Budapest, Hungary
2.Konkoly Observ Budapest, MTA Res Ctr Astron & Earth Sci, H-1525 Budapest, Hungary
3.Radboud Univ Nijmegen, Dept Astrophys, IMAPP, NL-6500 GL Nijmegen, Netherlands
4.Joint Inst VLBI Europe, NL-7990 AA Dwingeloo, Netherlands
5.Delft Univ Technol, Deptartment Astrodynam & Space Missions, NL-2629 HS Delft, Netherlands
6.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
7.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
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