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Date and Time of the Query: 2019-08-20 T23:28:13 PDT
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For refcode 2001AJ....122..283S:
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Copyright by American Astronomical Society. Reproduced by permission
2001AJ....122..283S THE FADING RADIO EMISSION FROM SN 1961V: EVIDENCE FOR A TYPE II PECULIAR SUPERNOVA? CHRISTOPHER J. STOCKDALE, MICHAEL P. RUPEN, JOHN J. COWAN, YOU-HUA CHU, AND STEVEN S. JONES Received 2001 February 20; accepted 2001 April 12 ABSTRACT Using the Very Large Array (VLA), we have detected radio emission from the site of SN 1961V in the Sc galaxy NGC 1058. With a peak flux density of 0.063 +/- 0.008 mJy beam^-1^ at 6 cm and 0.147 +/- 0.026 mJy beam^-1^ at 18 cm, the source is nonthermal, with a spectral index of -0.79 +/- 0.23. Within errors, this spectral index is the same value reported for previous VLA observations taken in 1984 and 1986. The radio emission at both wavelengths has decayed since the mid-1980s observations with power-law indices of {beta}_20 cm_ = -0.69 +/- 0.23 and {beta}_6 cm_ = -1.75 +/- 0.16. We discuss the radio properties of this source and compare them with those of Type II radio supernovae and luminous blue variables. Key words: galaxies: individual (NGC 1058)-galaxies: general -supernovae: general-supernovae: individual (SN 1961V) -radio continuum
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