The prevalence of supernova remnants among unidentified Galactic radio sources

Details The prevalence of supernova remnants among unidentified Galactic radio sources The prevalence of supernova remnants among unidentified Galactic radio sources

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341..151h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 1, 1989, p. 151-162.

Astronomy and Astrophysics

Astronomy

57

Extragalactic Radio Sources, H Ii Regions, Radio Galaxies, Radio Sources (Astronomy), Supernova Remnants, Astronomical Catalogs, Flux Density, Very Large Array (Vla)

Scientific paper

Nine Galactic radio sources were mapped to identify new Crab-like and composite supernova remnants. The sources were selected on the basis of existing stringent upper limits on their hydrogen recombination line fluxes. One new Cracb-like remnant, one new composite remnant, at least one, and probably two, new shell-like remnants, and a compact H II region were found, along with the expected collection of extragalactic objects. The results suggest that there are several hundred SNRs in the Galaxy which are detectable with current instruments, but which have yet to be identified.

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