AAS 197, January 2001
Session 81. Supernovae and Nova Theory
Display, Wednesday, January 10, 2001, 9:30am-7:00pm, Exhibit Hall

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[81.11] Radio and X-Ray Observations of SN 1961V: A Type II Supernova?

C. Stockdale, J. Cowan (U. Oklahoma), M. Rupen (NRAO), Y.-H. Chu (U. Illinois)

Using the Very Large Array (VLA), we have detected radio emission from the site of SN~1961V in the Sc galaxy NGC~1058. The radio observations at 6~cm and 18~cm indicate that the source is non-thermal, with a spectral index \alpha ~q--0.5. Within errors, this is the same value reported in the previous VLA observations taken in 1984 and 1986. The radio emission at both wavelengths has decayed since the mid 1980's observations with a power-law index of \beta ~q --1.0. The radio properties of this source appear to be consistent with observations of Type II radio supernovae. Comparisons between our VLA radio observations and other previous observations of SN 1961V will also be made.

Financial support for this research has been provided by NSF grant AST-9986974 to the University of Oklahoma.

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