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Optical spectroscopy of four young radio sources
Fan XL(范绪亮)1,2,4; Bai JM(白金明)1,2; Hu, Chen3; Wang JG(王建国)1,2
Source PublicationNEW ASTRONOMY
2017-01
Volume50Pages:78-81
DOI10.1016/j.newast.2016.07.009
Contribution Rank第1完成单位
Indexed BySCI
KeywordGalaxies: Jets Quasars: Emission Lines Quasars: Individual (Gb6 j0140+4024 Txs 0942+355 Iras 11119+3257 4c 12.50)
Abstract

We report the optical spectroscopy of four young radio sources which are observed with the Lijiang 2.4 m telescope. The Eddington ratios of these sources are similar with those of narrow-line Seyfert 1 galaxies (NLS1s). Their Fe II emission is strong while [O III] strength is weak. These results confirm the NLS1 features of young radio sources, except that the width of broad H beta of young radio sources is larger than that of NLS1s. We thus suggest that the young radio sources are the high black hole mass counterparts of steep-spectrum radio-loud NLS1s. In addition, the broad H beta component of 4C 12.50 is the blue wing of the narrow component, but not from the broad line region. (C) 2016 Elsevier B.V. All rights reserved.

Funding ProjectCAS ; People's Government of Yunnan Province ; Strategic Priority Research Program of the Chinese Academy of Sciences - The Emergence of Cosmological Structures[XDB09000000] ; Key Research Program of the Chinese Academy of Sciences[KJZD-EW-M06] ; NSFC[11361140347] ; NSFC[11361140347]
Funding OrganizationCAS ; People's Government of Yunnan Province ; Strategic Priority Research Program of the Chinese Academy of Sciences - The Emergence of Cosmological Structures[XDB09000000] ; Key Research Program of the Chinese Academy of Sciences[KJZD-EW-M06] ; NSFC[NSFC-11133006, 11361140347]
Language英语
Subject Area天文学 ; 天体物理学 ; 高能天体物理学 ; 星系与宇宙学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
Archive Date2016-11-16
WOS IDWOS:000384387500011
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordACTIVE GALACTIC NUCLEI ; SEYFERT 1 GALAXIES ; BLACK-HOLE MASSES ; LUMINOSITY COMPACT SOURCES ; EDDINGTON RATIO ; STEEP-SPECTRUM ; EMISSION-LINE ; LOUD ; EVOLUTION ; QUASARS
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9723
Collection丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
Corresponding AuthorFan XL(范绪亮)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road,Beijing 100049, China
4.University of Chinese Academy of Sciences, Beijing 100049, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Fan XL,Bai JM,Hu, Chen,et al. Optical spectroscopy of four young radio sources[J]. NEW ASTRONOMY,2017,50:78-81.
APA Fan XL,Bai JM,Hu, Chen,&Wang JG.(2017).Optical spectroscopy of four young radio sources.NEW ASTRONOMY,50,78-81.
MLA Fan XL,et al."Optical spectroscopy of four young radio sources".NEW ASTRONOMY 50(2017):78-81.
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