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Supermassive black hole masses in type II active galactic nuclei with polarimetric broad emission lines
Zhang, SY; Bian WH(卞维豪); Bian, WH; Huang, KL
2008
发表期刊ASTRONOMY & ASTROPHYSICS
卷号488期号:1页码:#REF!
通讯作者Zhang, SY (reprint author), Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China.
文章类型Article
摘要Aims. Type II active galactic nuclei (AGNs) with polarimetric broad emission lines provided strong evidence for the orientation-based unified model for AGNs. We want to investigate whether the polarimetric broad emission lines in type II AGNs can be used to calculate their central supermassive black hole (SMBH) masses, like that for type I AGNs. Methods. We collected 12 type II AGNs with polarimetric broad emission line widths from the literature, and calculated their central black hole masses from the polarimetric broad line widths and the isotropic [O III] luminosity. We also calculate the mass from stellar velocity dispersion, sigma(*), with the M(BH) - sigma(*) relation. Results. We find that: (1) the black hole masses derived from the polarimetric broad line width is on average larger than that from the MBH - sigma(*) relation by about 0.6 dex; (2) if these type II AGNs follow a MBH - sigma(*) relation, we find that the random velocity cannot be omitted and is comparable to the broad-line regions (BLRs) Keplerian velocity. It is consistent with the scenery of large outflow from the accretion disk suggested by Yong et al.
关键词galaxies : quasars : emission lines galaxies : nuclei black hole physics
学科领域Astronomy & Astrophysics
DOI10.1051/0004-6361:200810141
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000258652200015
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226248
专题粒子天体物理中心
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Zhang, SY,Bian WH,Bian, WH,et al. Supermassive black hole masses in type II active galactic nuclei with polarimetric broad emission lines[J]. ASTRONOMY & ASTROPHYSICS,2008,488(1):#REF!.
APA Zhang, SY,卞维豪,Bian, WH,&Huang, KL.(2008).Supermassive black hole masses in type II active galactic nuclei with polarimetric broad emission lines.ASTRONOMY & ASTROPHYSICS,488(1),#REF!.
MLA Zhang, SY,et al."Supermassive black hole masses in type II active galactic nuclei with polarimetric broad emission lines".ASTRONOMY & ASTROPHYSICS 488.1(2008):#REF!.
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