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VLBI Observations of SNR in M82 - Is 41.95+575 an Anomalous SNR or Something Else ?

Published online by Cambridge University Press:  13 May 2016

T.W.B. Muxlow ,
A. Pedlar ,
A.R. McDonald ,
S.T. Garrington ,
W.M. Trotman ,
P.N. Wilkinson ,
P.J. Diamond ,
M.A. Garrett  and
K.A. Wills
T.W.B. Muxlow
Affiliation:
Jodrell Bank Observatory, University of Manchester
A. Pedlar
Affiliation:
Jodrell Bank Observatory, University of Manchester
A.R. McDonald
Affiliation:
Jodrell Bank Observatory, University of Manchester
S.T. Garrington
Affiliation:
Jodrell Bank Observatory, University of Manchester
W.M. Trotman
Affiliation:
Jodrell Bank Observatory, University of Manchester
P.N. Wilkinson
Affiliation:
Jodrell Bank Observatory, University of Manchester
P.J. Diamond
Affiliation:
Jodrell Bank Observatory, University of Manchester
M.A. Garrett
Affiliation:
Joint Institute for VLBI in Europe
K.A. Wills
Affiliation:
University of Sheffield

Abstract

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Global VLBI 1.7GHz datasets from 1990 and 1998 have been used to study the evolution of SNR 41.95+575 in M82. An expansion velocity of around 1800 km/s is found with an implied birth around 1915. A young 41.95+575 would resemble radio supernovae seen in Arp220, although it could also be an evolving accretion disc system

Type
Supernovae, Pulsars, and the Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 205: Galaxies and their Constituents at the Highest Angular Resolutions , 2001 , pp. 376 - 377
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

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