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Does the Black Hole Rotation Lead to Higher X-Ray Variability in the Narrow-Line Objects?

Published online by Cambridge University Press:  26 May 2016

W. Bian  and
Y. Zhao
W. Bian
Affiliation:
Department of Physics, Nanjing Normal University, Nanjing 210097, China National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
Y. Zhao
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China

Abstract

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This paper presents a analysis of X-ray variability for a assembled sample of broad-line Seyfert 1, narrow-lines Seyfert 1 galaxies and QSOs observed by ASCA, whose central black masses have been estimated. We find the significant relation between X-ray variability and the central black masses is different for Broad-line and Narrow-lines galaxies. The higher excess variance of narrow-line galaxies can be explained that they have smaller size of X-ray emission region compare to the broad-line objects. Our findings favor the hypothesis that the narrow-line galaxies have rotational black hole and hence maybe have the jets.

Type
Part 8 Active Galaxies and their Nuclei
Information
Symposium - International Astronomical Union , Volume 214: High Energy Processes and Phenomena in Astrophysics , 2003 , pp. 287 - 288
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

Grupe, , et al. 1999, A&A, 356, 11 Google Scholar
Leighly, K. et al. 1999, ApJS, 125, 297 Google Scholar
Lu, Y. & Yu, Q. 2001, MNRAS, 324, 653 Google Scholar
Nandra, K. et al., 1997, ApJ, 476, 70 CrossRefGoogle Scholar
Turner, T. J. et al., 1999, ApJ, 524, 667 CrossRefGoogle Scholar
Wandel, A. et al. 1999, ApJ, 526, 579 CrossRefGoogle Scholar