Constraints in Accretion Theory and on the Properties of Black Holes in AGNs(Poster)

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概要

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• We have reviewed our recent papers on supermassive black holes (SBH) and determined constraints in accretion theory and on the properties of black holes in AGNs. It is found that a smaller value of α is needed in the accretion disk for Seyfert 1 galaxies than for PG quasars. This difference in the value of a maybe lead to the different properties for Seyfert 1 galaxies and quasars. We also obtained the accretion efficiency in a sample of AGNs. This result suggests that most of radio-loud quasars possess Kerr black holes, while Seyfert 1 galaxies and radio-quiet quasars may not possess Kerr black holes.

• 2004-11-15

著者

• Bian W.

  National Astronomical Observatories Chinese Academy Of Sciences:department Of Physics Nanjing Normal University

• ZHAO Y.

  National Astronomical Observatories, Chinese Academy of Sciences

関連論文

• Constraints in Accretion Theory and on the Properties of Black Holes in AGNs(Poster)
• Constraints in Accretion Theory and on the Properties of Black Holes in AGNs(Poster)

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