Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990japa...11..125b&link_type=abstract
Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 11, June 1990, p. 125-140.
Astronomy and Astrophysics
Astrophysics
35
Pulsars, Supernova Remnants, Brightness Distribution, Stellar Envelopes, Stellar Evolution, Stellar Magnetic Fields
Scientific paper
One of the intriguing aspects of supernova remnants is their morphology. While the majority of them look like hollow shells, a few, called plerions, are centrally filled like the Crab nebula, and some have a shell-plerion combination morphology. The centrally-filled component in these remnants is believed to be powered by a central pulsar. In this paper results of model calculations of the evolution of surface brightness and morphology of supernova remnants containing pulsars are presented. The paper discusses how the morphology of a supernova remnant will depend on the velocity of expansion, the density of the ambient medium into which it is expanding, and the initial period and magnetic field strength of the central pulsar.
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