Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.195...89c&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 195, Apr. 1981, p. 89-99.
Astronomy and Astrophysics
Astronomy
80
Radio Astronomy, Radio Sources (Astronomy), Supernova Remnants, Brightness Temperature, High Resolution, Point Sources, Radio Telescopes, Sky Surveys (Astronomy), X Ray Sources
Scientific paper
Five supernova remnants have been mapped with high resolution using the Fleurs synthesis radio telescope. Four of the sources (G33.6 + 0.1, G309.2 - 0.6, G315.4 - 0.3 and G320.4 - 1.2) possess shell structures, albeit with considerable distortion; the fifth source, G308.7 + 0.0, has a centrally concentrated brightness distribution reminiscent of the Crab nebula but considerably more elongated. In the general direction of G320.4 - 1.2 there is considerable optical emission but only the brightest features seem to be associated with the radio source; currently available sky survey photographs show no associated optical nebulosity in the direction of the other four remnants.
Caswell J. L.
Milne Douglas K.
Wellington Kelvin J.
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