4C21.53 - A possible supernova remnant in Vulpecula

Details 4C21.53 - A possible supernova remnant in Vulpecula 4C21.53 - A possible supernova remnant in Vulpecula

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..605p&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Feb. 1983, p. 605-614.

Astronomy and Astrophysics

Astronomy

6

Crab Nebula, Radio Sources (Astronomy), Scintillation, Supernova Remnants, Flux Density, Pulsars, X Ray Spectra

Scientific paper

A compact radio source which exhibits strong interplanetary scintillation lies close to the extended source 4C 21.53 in the galactic plane. The compact source is found to have an angular size of 0.27 arcsec and a flux density of 15 Jy at 81.5 MHz. Synthesis observations at 2.7 GHz of 4C 21.53 reveal it to be 1 arcmin in extent and coincident with the scintillating source to within the limits of error. This paper provides support for the claim that 4C 21.53 may be a Crab-like supernova remnant, although an upper limit of 2 Jy may be set on pulsed emission in the period range 10-200 ms at 81.5 MHz.

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