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Title:
Radio detection of a jet in the Crab Nebula
Authors:
Velusamy, T.
Affiliation:
AA(Tata Institute of Fundamental Research, Ootacamund, India)
Publication:
Nature (ISSN 0028-0836), vol. 308, March 15, 1984, p. 251, 252. (Nature Homepage)
Publication Date:
03/1984
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
CRAB NEBULA, PLASMA JETS, RADIO ASTRONOMY, CENTIMETER WAVES, EMISSION SPECTRA, LINEAR POLARIZATION, OXYGEN IONS, SPECTRAL RESOLUTION, VISIBLE SPECTRUM
DOI:
10.1038/308251a0
Bibliographic Code:
1984Natur.308..251V

Abstract

A VLA map of 15 x 15 arcsec resolution has led to the identification of 20-cm radio emission from the faint optical jet-like feature in the Crab Nebula discovered by van den Bergh (1970). The radio emission is extremely faint, being less than 1 percent of the peak brightness within the nebula, and its positional coincidence and structural similarity to the optical jet are noteworthy. The 20-cm emission appears to be nonthermal, with strong linear polarization of about 30 percent.
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