Detection of radio emission from optically identified supernova remnants in M31

Details Detection of radio emission from optically identified supernova remnants in M31 Detection of radio emission from optically identified supernova remnants in M31

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252..582d&link_type=abstract

Astrophysical Journal, Part 1, vol. 252, Jan. 15, 1982, p. 582-588. NASA-supported research.

Astronomy and Astrophysics

Astronomy

21

Andromeda Galaxy, Flux Density, Interstellar Matter, Radio Astronomy, Radio Emission, Radio Sources (Astronomy), Supernova Remnants, Astronomical Maps, Brightness, Least Squares Method, Luminosity, Magellanic Clouds, Very Large Array (Vla)

Scientific paper

The Very Large Array was used to conduct a radio search at a wavelength of 20 cm for ten optically identified supernova remnants (SNRs) in M31. Five SNRs were detected, and for the other objects, upper limits to the emission were determined. On the average, the surface brightness of an SNR in M31 appears to be fainter than that of an SNR in the Galaxy. It is suggested that the median surface brightness at a given diameter is higher in late-type spirals than in Sb systems.

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