Particle acceleration close to the black hole: M87 and Cen A

Rieger, Frank

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Particle acceleration close to the black hole: M87 and Cen A

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Rieger, Frank
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Rieger, F. (2008). Particle acceleration close to the black hole: M87 and Cen A. Talk presented at LEA-Meeting. Heidelberg, Germany. 2008-10-02 - 2008-10-02.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-787B-B

Abstract

VHE gamma-ray production is discussed for the non-blazar sources M87 and Cen A. We show that efficient centrifugal particle acceleration close to the central supermassive and Inverse Compton up-scattering of Comptonized disk photons by accelerated electrons could account for the observed VHE characteristics. We discuss the implications for Cen A as a possible UHE cosmic-ray source.