Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprn17038g&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
We present initial results from a Chandra/ACIS observation of the XA region on the eastern limb of the Cygnus Loop supernova remnant. The Cygnus Loop is a cavity remnant in which the supernova blast wave has only relatively recently encountered the walls of the cavity; the XA region is the result of the blast wave encountering a large cloud protruding into the cavity. This region is particularly bright and soft in the X-ray band; it was imaged on the back-illuminated ACIS S3 chip in order to exploit the CCD's better low energy response. XA is one of the most advanced examples of cloud/shock interactions in the remnant, and it has a complex morphology. We use the imaging and spectral capabilities of the Chandra/ACIS together with narrow band optical images to elucidate the structure of the region and the shock properties.
Blair William Patrick
Edgar Richard J.
Gaetz Terrance J.
Plucinsky Paul P.
Raymond John C.
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