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Extragalactic Radio Supernovae in NGC 4321 and NGC 6946

Published online by Cambridge University Press:  14 August 2015

R. A. Sramek ,
K. W. Weiler  and
J. M. van der Hulst
R. A. Sramek
Affiliation:
National Radio Astronomy Observatory, Socorro, NM
K. W. Weiler
Affiliation:
National Science Foundation, Washington, DC
J. M. van der Hulst
Affiliation:
University of Minnesota, Minneapolis, MN

Abstract

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The supernovae SN1979c in NGC 4321 and SN1980k in NGC 6946 have both been detected at centimeter wavelengths at the VLA. The radio emission turns on very rapidly, but may be delayed by as much as a year with respect to the optical outburst. In both supernovae, the 20 cm radiation peaks after the 6 cm, and the radio emission has a very slow post-maximum decay.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 97: Extragalactic Radio Sources , 1982 , pp. 391 - 392
Copyright
Copyright © Reidel 1982 

References

Weiler, K.W., van der Hulst, J.M., Sramek, R.A., and Panagia, N. 1981, Ap. J. Lett., 243, L151.CrossRefGoogle Scholar