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Structural Changes in Cas A, Tycho and Other Young Supernova Remnants
1983
Symposium - International astronomical union
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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
doi:10.1017/s0074180900033647
fatcat:cbagp3ixlrfqjfwlsep3vbocfq