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Nova GK Persei – A Miniature Supernova Remnant?

Published online by Cambridge University Press:  12 April 2016

E.R. Seaquist ,
D.A. Frail ,
M.F. Bode ,
J.A. Roberts ,
D.C.B. Whittet ,
A. Evans  and
J.S. Albinson
E.R. Seaquist
Affiliation:
University of Toronto, Canada
D.A. Frail
Affiliation:
University of Toronto, Canada
M.F. Bode
Affiliation:
Lancashire Polytechnic, U. K.
J.A. Roberts
Affiliation:
Lancashire Polytechnic, U. K.
D.C.B. Whittet
Affiliation:
Lancashire Polytechnic, U. K.
A. Evans
Affiliation:
University of Keele, U. K.
J.S. Albinson
Affiliation:
University of Keele, U. K.

Abstract

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We present radio and optical images of the shell-like remnant of the 1901 outburst of Nova GK Persei. The behaviour of this object is remarkably similar to supernova remnants. The synchrotron radiation-emitting shell is polarized with the magnetic field oriented radially, as in young SNR’s. This similarity plus extensive data we have acquired on the expansion and the interstellar environment of GK Per indicate that the nova shell is colliding with ambient gas whose density is substantially higher than the ISM.

Furthermore, there is strong evidence that the ambient gas is circumstellar rather than interstellar, and that this material is the shell of an ancient planetary nebula associated with the white dwarf companion of GK Per.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 101: Supernova Remnants and the Interstellar Medium , 1988 , pp. 47 - 50
Copyright
Copyright © Cambridge University Press 1988

References

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