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A possible mechanism for the mass ratio limitation in early type galaxies
Wang, YP; Biermann, PL
1998-06-01
Source PublicationASTRONOMY & ASTROPHYSICS
ISSN0004-6361
Volume334Issue:1Pages:87-95
AbstractThere is an interesting correlation between the central objects and their host galaxies in recent high resolution HST photometry of early type galaxies and Near-IR images of nearby quasar hosts. It has been shown that a) the hosts of these very luminous quasars are likely to be early type galaxies and that b) the mass ratio of central black holes (BHs) and their host spheroidal components (M-bh/M-spheroid) is similar to 0.002 within a factor of three. Using the hierarchical galaxy evolution scheme for the formation of early-type galaxies, we present here a general viscous accretion disk model to trace the star formation and central engine evolution before and after mergers. In our model, starbursts and AGN coexist; these two activities compete for the gas supply, interact with each other, probably feed back on each other and lock into a final status. They thus constrain the ratio of central black hole mass and its host spheroidal mass to a universal value of order 10(-3).
KeywordGalaxies : Nuclei Galaxies : Evolution Galaxies : Formation Galaxies : Starburst Galaxies : Elliptical And Lenticular, Cd
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordACTIVE GALACTIC NUCLEI ; QUASAR HOST GALAXIES ; SPIRAL GALAXIES ; STAR-FORMATION ; DISK GALAXIES ; BLACK-HOLES ; ELLIPTICAL GALAXIES ; CHEMICAL EVOLUTION ; MERGING GALAXIES ; MERGER MODEL
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000074072100017
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8369
Collection期刊(老文献)
Affiliation1.Max Planck Inst Radioastron, D-53121 Bonn, Germany
2.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Wang, YP,Biermann, PL. A possible mechanism for the mass ratio limitation in early type galaxies[J]. ASTRONOMY & ASTROPHYSICS,1998,334(1):87-95.
APA Wang, YP,&Biermann, PL.(1998).A possible mechanism for the mass ratio limitation in early type galaxies.ASTRONOMY & ASTROPHYSICS,334(1),87-95.
MLA Wang, YP,et al."A possible mechanism for the mass ratio limitation in early type galaxies".ASTRONOMY & ASTROPHYSICS 334.1(1998):87-95.
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