Radio Images of 3C 58: Expansion and Motion of Its Wisp

  title={Radio Images of 3C 58: Expansion and Motion of Its Wisp},
  author={Michael F Bietenholz},
  journal={The Astrophysical Journal},
New 1.4 GHz VLA observations of the pulsar-powered supernova remnant 3C 58 have resulted in the highest quality radio images of this object to date. The images show filamentary structure over the body of the nebula. The present observations were combined with earlier ones from 1984 and 1991 to investigate the variability of the radio emission on a variety of timescales. No significant changes are seen over a 110 day interval. In particular, the upper limit on the apparent projected velocity of… Expand

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