Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sf2a.conf..239k&link_type=abstract
"SF2A-2008: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: C. Charbonnel, F. Combes
Astronomy and Astrophysics
Astrophysics
Scientific paper
It is widely believed that the shells of supernova remnants (SNRs) are the sources of the Galactic Cosmic Rays up to energies of about 10^{15} eV. These high-energy hadrons interact with ambient material, and the subsequent neutral pion decay produces gamma rays in the GeV and TeV energy range. H.E.S.S., a system of ground-based imaging Cherenkov telescopes dedicated to the observation of gamma rays with energies of several hundred GeV up to tens of TeV, is an ideal instrument for the observations of high-energy gamma-ray emission from SNRs. In the recent years H.E.S.S. observed a number of SNRs. Firm detections have been reported from the well-known SNRs RX J1731-3946 and RX J0852-4622 as well as the interaction of W28 with molecular clouds. Further on, the Galactic scan conducted with H.E.S.S. revealed several other SNRs. In this talk I will discuss some of the SNRs observed so far and discuss the implications with respect to Cosmic Ray acceleration.
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