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γ-ray emission associated with cluster-scale AGN outbursts

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journal contribution
posted on 24.10.2012, 09:09 by J. A. Hinton, E. C. D. Pope, W. Domainko
Recent observations have revealed the existence of enormously energetic ∼1061 erg active galactic nuclei outbursts in three relatively distant galaxy clusters. These outbursts have produced bubbles in the intracluster medium, apparently supported by pressure from relativistic particles and/or magnetic fields. Here, we argue that if ≥GeV particles are responsible then these particles are very likely protons and nuclei, rather than electrons, and that the γ-ray emission from these objects, arising from the interactions of these hadrons in the intracluster medium, may be marginally detectable with instruments such as the Gamma-ray Large Area Space Telescope (GLAST) and the High Energy Stereoscopic System (HESS).

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Citation

Monthly Notices of the Royal Astronomical Society, 2007, 382 (1), pp. 466-472

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VoR (Version of Record)

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Monthly Notices of the Royal Astronomical Society

Publisher

Royal Astronomical Society (RAS)

issn

0035-8711

eissn

1365-2966

Copyright date

2007

Available date

24/10/2012

Publisher version

http://mnras.oxfordjournals.org/content/382/1/466

Language

en

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