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Title:
Radio observations of the Crab-like supernova remnant 3C 58. I - Total intensity observations
Authors:
Reynolds, Stephen P.; Aller, Hugh D.
Affiliation:
AA(North Carolina State University, Raleigh), AB(Michigan, University, Ann Arbor)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 327, April 15, 1988, p. 845-852. Research supported by Research Corp. (ApJ Homepage)
Publication Date:
04/1988
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
COSMIC RAYS, CRAB NEBULA, RADIO ASTRONOMY, RELATIVISTIC ELECTRON BEAMS, SUPERNOVA REMNANTS, VERY LARGE ARRAY (VLA), ELECTRON DIFFUSION, FLUX DENSITY, GALACTIC BULGE, MAGNETOHYDRODYNAMIC WAVES, RADIO SPECTRA, X RAY SOURCES
DOI:
10.1086/166242
Bibliographic Code:
1988ApJ...327..845R

Abstract

The Crab-like supernova remnant 3C 58 was observed with the VLA at frequencies of 1446 and 4886 MHz, with resolutions of 2.0 and 2.45 arcsec, respectively. It is found that 3C 58 has a considerably larger extent than previously realized, particularly at the eastern and western edges and above and below the central bulge. Some parts of the periphery are markedly confined while others are not; some confined-edge regions are slightly limb brightened. The fainter outer envelope contains extensive filamentation as do the brighter central regions. The filament profiles are nearly identical at 1446 and 4886 MHz.

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