Radio emission from supernova remnants in the galaxy M33

Details Radio emission from supernova remnants in the galaxy M33 Radio emission from supernova remnants in the galaxy M33

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.198.1059d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 198, Mar. 1982, p. 1059-1064.

Astronomy and Astrophysics

Astronomy

36

Radio Emission, Radio Galaxies, Supernova Remnants, Astronomical Maps, Brightness, Magellanic Clouds, Radio Telescopes, Spectral Resolution, Spiral Galaxies

Scientific paper

A new 21-cm map of M33 with a resolution of 25 x 49 arcsec (RA, dec) and an rms noise of 0.2 mJy per beam area has been used to search for radio emission at the positions of optically identified supernova remnants (SNR). Five well-established and three probable radio identifications are found. In the surface brightness-diameter diagram, the M33 radio remnants agree well with galactic objects. Using the galactic relation as a reference, an average distance to M33 of 830 + or - 100 kpc is derived. It is estimated that most of the radio remnants in M33 with flux densities greater than 1 mJy at 21 cm have been optically identified.

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