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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
发表期刊ASTROPHYSICAL JOURNAL LETTERS
2016-02-10
卷号818期号:1
DOI10.3847/2041-8205/818/1/L14
产权排序第5完成单位
收录类别SCI
关键词Galaxies: Active Accretion Galaxies: Nuclei Accretion Disks Quasars: General Quasars: Supermassive Black Holes
摘要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.
项目资助者Strategic 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)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN2041-8205
URL查看原文
WOS记录号WOS:000369605600014
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SUPERMASSIVE BLACK-HOLES ; HIGH ACCRETION RATES ; SEYFERT 1 GALAXIES ; FE II REVERBERATION ; RAY SPECTRAL SLOPE ; X-RAY ; NARROW-LINE ; EDDINGTON RATIO ; EMISSION ; QUASARS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9335
专题丽江天文观测站(南方基地)
作者单位1.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
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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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