• VLA observations of three M 33 supernova remnants at 20 cm

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    • Keywords


      supernova remnants; radio observations; external galaxies; individual; radio sources; VLA observations

    • Abstract


      Three supernova remnants (SNR) have been mapped in the galaxy M33 with the Very Large Array* (VLA) at 20 cm. The angular resolution is ∼1.3 arcsec or ∼4 pc at a distance of 600 kpc and the rms noise is ∼0.04 mJy /beam. One of the radio sources shows evidence for a shell structure with a size of ∼15 pc, confirming the SNR nature of this source. The second object is extended and may well be a thick-shell SNR of size ∼12 pc. The third object is a small, presumably young SNR with a size of ∼4 pc.

    • Author Affiliations


      W. M. Goss1 F. Viallefond2

      1. Kapteyn Astronomical Institute, Postbus 800, Groningen, AV - 9700, The Netherlands
      2. Observatory of Meudon, Meudon - F-92190, France
    • Dates

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