Other
Scientific paper
Jan 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...421l..19b&link_type=abstract
Astrophysical Journal, Part 2 (ISSN 0004-637X), vol. 421, no 1, p. L19-L22
Other
14
Data Processing, Flux Density, Radio Spectra, Spatial Distribution, Supernovae, Atmospheric Density, Field Of View, Heao 1, Line Of Sight, Rosat Mission
Scientific paper
We present the first X-ray images and spectra of the unusual supernova remnant VRO 42.05.01, based on a 22,680 s observation of the remnant with the ROSAT Position Sensitive Proportional Counter (PSPC). The overall shape of the X-ray remnant is similar to that of the radio remnant, but the X-ray morphology differs from the radio morphology in that the X-ray emission is not edge-brightened. The X-ray data are consistent with an isothermal remnant with variations in absorbing column density across the remnant that probably account for some of the observed structure. The remnant has an X-ray temperature of approximately 8.5 x 106 K and an absorbing column of a few times 1021/sq cm. This absorbing column is surprisingly small for the nominal distance of 5 kpc, and requires a low mean density along this line of sight.
Burrows David N.
Guo Zhiyu
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