The X-ray spectrum and structure of the supernova remnant IC 443

Details The X-ray spectrum and structure of the supernova remnant IC 443 The X-ray spectrum and structure of the supernova remnant IC 443

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.179...55p&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 179, Apr. 1977, p. 55-62. Research supported by the Science Research Co

Astronomy and Astrophysics

Astronomy

29

Astronomical Models, Supernova Remnants, X Ray Sources, X Ray Spectra, Ariel 5 Satellite, Spaceborne Astronomy, Spectrum Analysis

Scientific paper

Ariel V observations of IC 443 in the energy range from 1.1 to 7.5 keV are presented. The data permit the spectral parameters of this source to be more tightly constrained than in previous observations and provide information on the location of the emitting regions. No evidence for iron line emission at 6.7 keV is found. A source model is presented in which the initial explosion expands into a density gradient in the northeastern direction. This model consistently explains the observational properties of the remnant and predicts an age of 12,700 yr.

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