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THE FUNDAMENTAL PLANE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI
Du, Pu1; Wang, Jian-Min1,2; Hu, Chen1; Ho, Luis C.3,4; Li, Yan-Rong1; Bai JM(白金明)5
Source PublicationASTROPHYSICAL JOURNAL LETTERS
2016-02-10
Volume818Issue:1
DOI10.3847/2041-8205/818/1/L14
Contribution Rank第5完成单位
Indexed BySCI
Keywordaccretion, accretion disks galaxies: active galaxies: nuclei quasars: general quasars: supermassive black holes
Abstract

Broad emission lines in active galactic nuclei (AGNs) mainly arise from gas photoionized by continuum radiation from an accretion disk around a central black hole. The shape of the broad-line profile, described by D-H beta = FWHM/sigma(H beta), the ratio of full width at half maximum to the dispersion of broad H beta, reflects the dynamics of the broad-line region (BLR) and correlates with the dimensionless accretion rate (M)over dot or Eddington ratio (L-bol/L-Edd). At the same time, Mover dot and L-bol/L-Edd correlate with R-Fe, the ratio of optical Fe II to H beta line flux emission. Assembling all AGNs with reverberation mapping measurements of broad H beta, both from the literature and from new observations reported here, we find a strong bivariate correlation of the form log(Mover dot, Lbol/LEdd) = alpha + beta D-H beta + gamma R-Fe, where alpha = (2.47, 0.31), beta = (1.59, 0.82), and gamma = (1.34, 0.80). We refer to this as the fundamental plane of the BLR. We apply the plane to a sample of z < 0.8 quasars to demonstrate the prevalence of super-Eddington accreting AGNs are quite common at low redshifts.

Funding ProjectStrategic Priority Research Program-The Emergence of Cosmological Structures of the Chinese Academy of Sciences[XDB09000000] ; NSFC [NSFC-11173023] ; NSFC [-11133006] ; NSFC [-11373024] ; NSFC [-11233003] ; NSFC [-11473002] ; NSFC-CAS[U1431228] ; CAS Key Research Program[KJZD-EW-M06] ; China-Israel project[NSFC-11361140347]
Funding OrganizationStrategic Priority Research Program-The Emergence of Cosmological Structures of the Chinese Academy of Sciences[XDB09000000] ; NSFC [NSFC-11173023, -11133006, -11373024, -11233003, -11473002] ; NSFC-CAS[U1431228] ; CAS Key Research Program[KJZD-EW-M06] ; China-Israel project[NSFC-11361140347]
Language英语
Subject Area天文学 ; 天体物理学 ; 高能天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN2041-8205
URL查看原文
WOS IDWOS:000369605600014
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSUPERMASSIVE BLACK-HOLES ; HIGH ACCRETION RATES ; SEYFERT 1 GALAXIES ; FE II REVERBERATION ; RAY SPECTRAL SLOPE ; X-RAY ; NARROW-LINE ; EDDINGTON RATIO ; EMISSION ; QUASARS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9335
Collection丽江天文观测站(南方基地)
Corresponding AuthorWang, Jian-Min
Affiliation1.Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
2.National Astronomical Observatories of China, Chinese Academy of Sciences, 20A Datun Road, Beijing 100020, China
3.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, China
4.Department of Astronomy, School of Physics, Peking University, Beijing 100871, China
5.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
Recommended Citation
GB/T 7714
Du, Pu,Wang, Jian-Min,Hu, Chen,et al. THE FUNDAMENTAL PLANE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI[J]. ASTROPHYSICAL JOURNAL LETTERS,2016,818(1).
APA Du, Pu,Wang, Jian-Min,Hu, Chen,Ho, Luis C.,Li, Yan-Rong,&Bai JM.(2016).THE FUNDAMENTAL PLANE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI.ASTROPHYSICAL JOURNAL LETTERS,818(1).
MLA Du, Pu,et al."THE FUNDAMENTAL PLANE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI".ASTROPHYSICAL JOURNAL LETTERS 818.1(2016).
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