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A Decade of Radio and X-ray Observations of SN 1993J

Published online by Cambridge University Press:  19 September 2016

Schuyler D. Van Dyk ,
Kurt W. Weiler ,
Richard A. Sramek ,
Nino Panagia ,
Christopher Stockdale ,
Christina Lacey ,
Marcos Montes  and
Michael Rupen
Schuyler D. Van Dyk
Affiliation:
IPAC/Caltech, Pasadena, CA, USA; [email protected]
Kurt W. Weiler
Affiliation:
NRL, Washington, DC, USA; [email protected], [email protected]
Richard A. Sramek
Affiliation:
NRAO, Socorro, NM, USA; [email protected], [email protected]
Nino Panagia
Affiliation:
STScI, Baltimore, MD, USA& Astrophys. Div., Space Sci. Dept., ESA; , [email protected]
Christopher Stockdale
Affiliation:
Marquette Univ., Milwaukee, WI, USA; [email protected]
Christina Lacey
Affiliation:
U. of South Carolina, Columbia, SC, USA; [email protected]
Marcos Montes
Affiliation:
NRL, Washington, DC, USA; [email protected], [email protected]
Michael Rupen
Affiliation:
NRAO, Socorro, NM, USA; [email protected], [email protected]

Summary

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We review ten years of radio continuum and X-ray monitoring of the Type IIb SN 1993J in M81. The supernova (SN) has been observed continuously, since only a few days after explosion, by our group with the Very Large Array at a number of radio frequencies, as well as by other groups. As a result, it is among the best-studied radio supernovae. The observed synchrotron radio emission is thought to arise from the interaction of the SN shock with the pre-SN wind-established circumstellar medium around the progenitor star. We describe the properties of the circumstellar interaction, based on the more fully-developed dataset, and compare this to our earlier characterization made in 1994. SN 1993J has also been a target of X-ray satellites, and we briefly discuss the nature of the X-ray emission and, together with the radio emission, describe the implications for the nature of the SN’s progenitor.

Type
Part I Supernovae: Individual
Information
International Astronomical Union Colloquium , Volume 192: Cosmic Explosions , 2005 , pp. 3 - 11
Copyright
Copyright © Springer-Verlag 2005

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