Observations of the supernova remnant 3C391 at 1.4 and 10.7 GHz

Details Observations of the supernova remnant 3C391 at 1.4 and 10.7 GHz Observations of the supernova remnant 3C391 at 1.4 and 10.7 GHz

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....78...75g&link_type=abstract

Astronomy and Astrophysics, vol. 78, no. 1, Sept. 1979, p. 75-77.

Astronomy and Astrophysics

Astronomy

7

Microwave Spectra, Radio Astronomy, Supernova Remnants, Astrography, Electromagnetic Absorption, H Ii Regions, Interferometers, Recombination Reactions, Stellar Structure, Telescopes

Scientific paper

The supernova remnant 3C 391 has been mapped at 1.4 GHz with the Fleurs Synthesis Telescope (resolution 54 x 66 arcsec) and at 10.7 GHz with the 100-m Effelsberg telescope (resolution 77 arcsec). An incomplete shell structure is observed. There is no evidence for the small-diameter H II regions hypothesized by Bridle and Kesteven (1971) and Chaisson (1974); the thermal component responsible for the low-frequency absorption and the recombination lines in this direction must arise in low-brightness regions greater than 10 arcmin in size.

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