Gamma-rays from nearby galaxies: from star formation to nuclear activity
A. Carramiñana
T.A.D. Paglione
J.J. Blom
Abstract
We present our analysis and interpretation of gamma-ray data from the
normal galaxy M31, nearby starburst galaxies and the radio galaxy
Centaurus A. We estimated the expected gamma-ray luminosity due to
cosmic-rays produced by star formation and Supernova explosions, and
we compared it with observational results. While for M31 and the starburst
sample the measured upper limits are consistent with gamma-ray production
through star formation processes only, the Cen A emission is dominated
by an additional (AGN) component.
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On 16 Jul 1999, 09:19.