Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-06-10
Astron.Astrophys. 444 (2005) 403-415
Astronomy and Astrophysics
Astrophysics
17 pages, 13 figures. To appear in A&A. Modelling parameters and results are unchanged from the previous version but we enhanc
Scientific paper
10.1051/0004-6361:20053613
The high density medium that characterizes the central regions of starburst galaxies and its power to accelerate particles up to relativistic energies make these objects good candidates as $\gamma$-rays sources. In this paper, a self-consistent model of the multifrequency emission of the starburst galaxy NGC 253, from radio to gamma-rays, is presented. The model is in agreement with all current measurements and provides predictions for the high energy behavior of the NGC 253 central region. Prospects for observations with the HESS array and GLAST satellite are especially discussed.
Domingo-Santamaria Eva
Torres Diego F.
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