NAOC Open IR  > 射电天文研究部
Estimating Black Hole Masses of Blazars
Wu, Xue-Bing1; Liu, F. K.1; Kong, M. Z.2; Wang, R.3; Han, J. L.4
AbstractEstimating black hole masses of blazars is still a big challenge. Because of the contamination of jets, using the previously suggested size-continuum luminosity relation can overestimate the broad line region (BLR) size and black hole mass for radio-loud AGNs, including blazars. We propose a new relation between the BLR size and H(beta) emission line luminosity and present evidences for using it to get more accurate black hole masses of radio-loud AGNs. For extremely radio-loud AGNs such as blazars with weak/absent emission lines, we suggest the use of fundamental plane relation of their elliptical host galaxies to estimate the central velocity dispersions and black hole masses, if their velocity dispersions are not known but the host galaxies can be mapped. The black hole masses of some well-known blazars, such as OJ 287, AO 0235+164 and 3C 66B are obtained using these two methods and the M-sigma relation. The implications of their black hole masses on other related studies are also discussed.
KeywordBlack Holes Galaxies: Active Blazars Jets
Indexed BySCI ; ISTP
WOS IDWOS:000294539300043
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Peking Univ, Dept Astron, Beijing 100871, Peoples R China
2.Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China
3.Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Wu, Xue-Bing,Liu, F. K.,Kong, M. Z.,et al. Estimating Black Hole Masses of Blazars[J]. JOURNAL OF ASTROPHYSICS AND ASTRONOMY,2011,32(1-2):209-215.
APA Wu, Xue-Bing,Liu, F. K.,Kong, M. Z.,Wang, R.,&Han, J. L..(2011).Estimating Black Hole Masses of Blazars.JOURNAL OF ASTROPHYSICS AND ASTRONOMY,32(1-2),209-215.
MLA Wu, Xue-Bing,et al."Estimating Black Hole Masses of Blazars".JOURNAL OF ASTROPHYSICS AND ASTRONOMY 32.1-2(2011):209-215.
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