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Black hole to bulge mass correlation in Active Galactic Nuclei: a test for the simple unified formation scheme
Wang, YP; Biermann, PL; Wandel, A
2000-09-01
Source PublicationASTRONOMY & ASTROPHYSICS
ISSN0004-6361
Volume361Issue:2Pages:550-554
AbstractA mass correlation of central black holes and their spheroids similar to 0.002 (within a factor of three) is suggested by Hubble Space Telescope (HST) and various ground-based CCD photometries of early type galaxies. The near-IR images of quasar hosts and the emission line measurements of Broad Line Region for bright QSOs present a similar correlation, which supports the speculation of an evolutionary linkage between the early active QSO phase and the central black holes in normal galaxies. On the other hand, recent reverberation mapping of a sample of Seyferts shows a broad distribution of black hole to bulge mass ratio with a mean of similar to 10(-3.5), about one magnitude lower than the value in early type galaxies and bright QSOs. Adopting a simple unified formation scheme for QSOs and Seyferts, we will discuss in this letter the dependence of the black hole to bulge mass ratio in Active Galactic Nuclei (AGNs) on the environmental parameters of the host galaxies. We show a broad distribution of the mass correlation could be due to different velocity dispersion of the accreting gas from different Formation mechanism, and the mass ratio in normal galaxies and bright QSOs is probably a limit case of black hole evolution by merger enhanced accretion close to Eddington limit.
KeywordGalaxies : Interactions Galaxies : Seyfert Galaxies : Quasars : General Galaxies : Elliptical And Lenticular, Cd Galaxies : Formation
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordULTRALUMINOUS INFRARED GALAXIES ; SEYFERT-GALAXIES ; QUASARS ; MERGERS ; MECHANISM ; CENTERS ; NGC4258 ; ORIGIN ; DISKS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000089926000018
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8290
Collection期刊(老文献)
Affiliation1.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100864, Peoples R China
3.Max Planck Inst Radioastron, D-53121 Bonn, Germany
4.Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel
Recommended Citation
GB/T 7714
Wang, YP,Biermann, PL,Wandel, A. Black hole to bulge mass correlation in Active Galactic Nuclei: a test for the simple unified formation scheme[J]. ASTRONOMY & ASTROPHYSICS,2000,361(2):550-554.
APA Wang, YP,Biermann, PL,&Wandel, A.(2000).Black hole to bulge mass correlation in Active Galactic Nuclei: a test for the simple unified formation scheme.ASTRONOMY & ASTROPHYSICS,361(2),550-554.
MLA Wang, YP,et al."Black hole to bulge mass correlation in Active Galactic Nuclei: a test for the simple unified formation scheme".ASTRONOMY & ASTROPHYSICS 361.2(2000):550-554.
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