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Radio Luminosity,Black Hole Mass and Eddington Ratio for Quasars from the Sloan Digital Sky Survey
Bian WH(卞维豪); Chen YM(陈燕梅); Wei-Hao Bian; Yan-Mei Chen; Chen Hu; Kai Huan; Yan X
2008
发表期刊中国天文和天体物理学报(英文版);2008;第5期;
期号5
摘要We investigate the MBH-O''.relation for radio-loud quasars with redshift z<0.83 in Data Release 3 of the Sloan Digital Sky Survey (SDSS).The sample consists of 3772 quasars with better models of the H/~ and [O III] lines and available radio luminosity,including 306 radio-loud quasars,3466 radio-quiet quasars with measured radio luminosity or upper-limit of radio luminosity (181 radio-quiet quasars with measured radio luminosity).The virial supermassive black hole mass (MBH) is calculated from the broad H/line,and the host stellar velocity dispersion (σ*) is traced by the core [O III] gaseous velocity dispersion.The radio luminosity and radio loudness are derived from the FIRST catalog.Our results are as follows:(1) For radio-quiet quasars,we confirm that there is no obvious deviation from the MBH-O.relation defined for inactive galaxies when the uncertainties in MBH and the luminosity bias are concerned.(2) We find that the radio-loud quasars deviate more from the MBH-σ.relation than do the radio-quiet quasars.This deviation is only partly due to a possible cosmological evolution of the MBH-σ* relation and the luminosity bias.(3) The radioluminosity is proportional to M128+0.23-0.16 BH(LBol/LEdd)1.29+0.31-0.24 for radio-quiet quasars and to M3.10+0.6.-0.70(LBol.LEdd)4.18+1.40-1.10 for radio-loud quasars.The weaker dependence of the radio luminosity on the mass and the Eddington ratio for radio-loud quasars shows that other physical effects would account for their radio luminosities,such as the spin of the black hole.
关键词Wei-Hao China China) China) China) Bian Key Laboratory for Particle Astrophysics Yan-Mei Chen(Key Laboratory for Particle Astrophysics Chen Hu(National Astronomical Observatories Kai Huang(Department of Physics and Institute of Theoretical Physics Yan-Mei Chen Chen Hu Kai Huang Yan Xu(Wei-Hao Bian(Department of Physics and Institute of Theoretical Physics Nanjing Normal University Nanjing 210097 Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 Chinese Academy of Sciences Beijing 100012 Nanjing Normal University Nanjing 210097 China))
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/218060
专题粒子天体物理中心
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Bian WH,Chen YM,Wei-Hao Bian,et al. Radio Luminosity,Black Hole Mass and Eddington Ratio for Quasars from the Sloan Digital Sky Survey[J]. 中国天文和天体物理学报(英文版);2008;第5期;,2008(5).
APA 卞维豪.,陈燕梅.,Wei-Hao Bian.,Yan-Mei Chen.,Chen Hu.,...&Yan X.(2008).Radio Luminosity,Black Hole Mass and Eddington Ratio for Quasars from the Sloan Digital Sky Survey.中国天文和天体物理学报(英文版);2008;第5期;(5).
MLA 卞维豪,et al."Radio Luminosity,Black Hole Mass and Eddington Ratio for Quasars from the Sloan Digital Sky Survey".中国天文和天体物理学报(英文版);2008;第5期; .5(2008).
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