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Structural Changes in Cas A, Tycho and Other Young Supernova Remnants

Published online by Cambridge University Press:  04 August 2017

Richard G. Strom
Richard G. Strom*
Affiliation:
Netherlands Foundation for Radio Astronomy, Dwingeloo, Netherlands

Extract

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Structural changes have been found and investigated in a handful of young supernova remnants (SNR). The variations in the Crab Nebula (Trimble, 1968) have been known for some time. Here I am concerned with young shell remnants of which the best studied is Cas A. It is, like the Crab nebula, undergoing an overall radial expansion, although other forms of motion have also been observed. Simple expansion has been found in Tycho (3C10) and the remnant of SN 1006. Optical measurements of the remnant of Kepler's supernova (SN 1604), however, have failed to show motion of the magnitude expected from this relatively young SNR.

Type
I. Young Supernova Remnants
Information
Symposium - International Astronomical Union , Volume 101: Supernova Remnants and Their X-Ray Emission , 1983 , pp. 37 - 47
Copyright
Copyright © Reidel 1983 

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