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Black hole shadows in accretion disks and spin parameters of black holes: Massive black holes and stellar mass black holes

Published online by Cambridge University Press:  24 November 2004

Rohta Takahashi
Rohta Takahashi
Affiliation:
Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan email: rohta@yukawa.kyoto-u.ac.jp
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Abstract

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Can we determine spin parameters of black holes by observations of black hole shadows in accretion disks? In order to answer this question, we have investigated shapes and positions of black hole shadows in optically thick accretion disks around Kerr black holes. In conclusion, in order to measure black hole spin parameters from shapes and positions of black hole shadows, it is crucially important to determine a position of a mass centers of a black hole in a region of a black hole shadow.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
POSTERS
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS222 , March 2004 , pp. 115 - 116
Copyright
© 2004 International Astronomical Union