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TeV gamma ray opacity in PKS 2155-304

Bicknell, Geoffrey; Wagner, Stefan J


Context. Recently observed rapid time variability in the gamma ray emission from the blazar PKS 2155-304 indicates that either the site of gamma ray emission is close to the black hole or the jet has a very high Lorentz factor. Consideration of the opacity of gamma rays close to the black hole provides additional information related to these two possibilities. Aims. We investigate the TeV gamma ray opacity resulting from pair production on soft photons radiated by the black hole accretion disk,...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/200913267
Access Rights: Open Access


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