Radio observations of three supernova remnants in M33

Details Radio observations of three supernova remnants in M33 Radio observations of three supernova remnants in M33

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.193..901g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 193, Dec. 1980, p. 901-909.

Astronomy and Astrophysics

Astronomy

27

Extragalactic Radio Sources, Radio Astronomy, Supernova Remnants, Brightness, Radio Telescopes, Sensitivity, Synthetic Apertures, Very Large Array (Vla)

Scientific paper

Discrete sources in the southern spiral arm of M 33 have been observed with the Westerbork Synthesis Radio Telescope at 49 and 21 cm and the Very Large Array at 6 cm. The three optically confirmed supernova remnants were detected with the WSRT and were found to have nonthermal spectral indices. Two of these SNR were detected with the VLA with a resolution of approximately 1.5 arcsec (5 pc). If it is assumed that these M 33 SNR are similar to galactic SNR, the surface-brightness-diameter relationship proposed by Caswell and Lerche (1979) indicates a distance of 860 + or - 200 kpc for M 33.

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