Hard X-ray emission from IC 443: The BeppoSAX view

Details Hard X-ray emission from IC 443: The BeppoSAX view Hard X-ray emission from IC 443: The BeppoSAX view

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..510...73p&link_type=abstract

THE FIFTH COMPTON SYMPOSIUM. AIP Conference Proceedings, Volume 510, pp. 73-76 (2000).

Computer Science

6

Supernova Remnants, Cosmic Rays, X-Ray, Cosmic Ray Nucleosynthesis

Scientific paper

Our BeppoSAX observations of IC 443 were primarily directed toward isolating and studying its previously known hard component, thereby to test the hypothesis that this is direct evidence for very energetic (~=100 TeV) cosmic rays. Although our analysis is at an early stage, it was immediately obvious that we have, with the BeppoSAX/PDS, detected a very hard (from 14 to >30 keV) component which is almost certainly the counterpart of the EGRET γ-ray source 2 EGJ0618+2234. This object is offset from the prominent soft thermal emission in IC 443. In the same field we found with the BeppoSAX/MECS two hard (5-10 keV) hot spots. Both the hot spots and the 2EG source appear to be evidence for energetic cosmic rays produced where the SNR shock is interacting with a dense molecular cloud. .

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