High-resolution radio maps of the Crab Nebula

Details High-resolution radio maps of the Crab Nebula High-resolution radio maps of the Crab Nebula

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mmsai..49..569s&link_type=abstract

(Società Astronomica Italiana and Consiglio Nazionale delle Ricerche, Workshop on Supernovae and Supernova Remnants, 1st, Erice,

Astronomy and Astrophysics

Astronomy

Astronomical Maps, Centimeter Waves, Crab Nebula, Radio Astronomy, Radiometers, Polarization (Waves), Supernova Remnants

Scientific paper

Recent observations of the Crab Nebula at a wavelength of 11 cm are presented. Total intensity and linear polarization are displayed as photographs which show clearly some of the most interesting features of the nebula. The nebula has a filamentary structure at radio wavelengths, strikingly similar to that seen in optical line emission. The Crab Nebula was observed during the period 1977 October - November with the 5-km radio telescope at Cambridge. The observing frequency was 2.695 GHz. It is found that the radio nebula has a fairly well-defined edge, possibly with some limb-brightening in the southeast similar to the shell structure seen in other young supernova remnants.

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