Supernova radio remnants and the filling factor of the hot interstellar medium

Details Supernova radio remnants and the filling factor of the hot interstellar medium Supernova radio remnants and the filling factor of the hot interstellar medium

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...239..867h&link_type=abstract

Astrophysical Journal, Part 1, vol. 239, Aug. 1, 1980, p. 867-872.

Astronomy and Astrophysics

Astronomy

31

High Temperature Gases, Interstellar Gas, Radio Sources (Astronomy), Supernova Remnants, Brightness, Spiral Galaxies, Stellar Evolution

Scientific paper

If a hot (temperature of about one-million K), tenuous gas fills about 90% of interstellar space, then the observed number and surface brightness distribution of galactic radio remnants implies a galactic supernova rate of once about every 30 years. This is consistent with estimates based on observations of historical supernovae, pulsars, and supernovae in other spiral galaxies.

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