Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...319..126g&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 319, Aug. 1, 1987, p. 126-135.
Astronomy and Astrophysics
Astronomy
27
Cosmic Dust, Infrared Spectra, Magellanic Clouds, Particle Collisions, Plasma Heating, Supernova Remnants, Far Infrared Radiation, Infrared Astronomy Satellite, Stellar Evolution
Scientific paper
IRAs additional observations are presented which show that luminous far-infrared sources are associated with the Large Magellanic Cloud supernova remnants N63A, N49, N49B, and N186D. Comparison of the infrared and X-ray data shows that a substantial fraction of the infrared emission from three of the remnants can be accounted for by collisionally heated dust. The ratio of dust-grain cooling to total atomic cooling by lines, recombination, and bremsstrahlung is about 10 in X-ray emitting gas. The evolution of a supernova remnant in a two-phase interstellar medium is considered, and it is concluded that dust cooling will not dominate supernova remnant evolution, but it probably accelerates the process.
Albinson J. S.
Bode Michael F.
Evans Aaron
Graham James R.
Meikle Peter S. W.
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