Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...166..257b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 166, no. 1-2, Sept. 1986, p. 257-270.
Astronomy and Astrophysics
Astrophysics
80
Astrometry, Brightness Distribution, Mass To Light Ratios, Radio Spectra, Spectral Energy Distribution, Supernova Remnants, Diagrams, Magellanic Clouds, Stellar Winds, Surface Properties, Visible Spectrum
Scientific paper
The observational properties of 84 SNRs are studied in three spectral domains. Radio data at 1 GHz, X-ray data (0.15-4.5 keV), and optical data (forbidden S II lines) for the SNRs located in Magellanic clouds, M 31, and M 33 are compared. The composite surface brightness-diameter relation is analyzed. The dependence of radio spectral index on diameter and apparent ambient density and the relationship between radio surface brightness and electron density are examined. The comparison reveals that there is a correlation between radio and X-ray surface brightness of SNRs.
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