A 21-cm study of the Crab Nebula region

Details A 21-cm study of the Crab Nebula region A 21-cm study of the Crab Nebula region

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pazh...10..111m&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 10, Feb. 1984, p. 111-115) Soviet Astronomy Letters (ISSN 0360-0327), vol. 10, Jan.-Feb

Astronomy and Astrophysics

Astronomy

1

Crab Nebula, Radio Astronomy, Supernova Remnants, Electromagnetic Spectra, Radio Telescopes

Scientific paper

In an effort to detect evidence of the envelope that would have been thrown off by a type II supernova, the Crab Nebula region has been studied with the Nancay radio telescope at 21-cm wavelength. No radio emission amounting to more than 30 dB compared with the Crab itself can be found at distances of 8-32 arcmin from the center. The boundary of the decimeter-emission region is practically coincident with the optical filamentary envelope. The Crab radio brightness distribution suggests a synchrotron-radiating shell that dominates the decimeter wavelength range.

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