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The X-ray Spectra of Tycho and SN1006

Published online by Cambridge University Press:  04 August 2017

K. Koyama*
Affiliation:
Institute of Space and Astronautical Science, Komaba 4-6-1 Meguro-ku, Tokyo, 153, Japan

Extract

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The supernova remnants (SNR) SN1006 and Tycho are considered to be originating from type I supernovae (SN). Therefore one may expect a large amount of heavy elements, particularly iron, in the SNRs. In fact, our recent analysis of new data on the X-ray spectrum Tycho shows strong line emission associated with ionized silicon, sulfur and iron. This result contradicts the results of previous analyses which did not require an overabundance of iron.

Type
I. Rotation-Powered Pulsars
Copyright
Copyright © Reidel 1987 

References

Koyama, K., Tsunemi, H, Becker, R., Hughes, J.P. 1986 submitted to P.A.S.J. Tsunemi, H., Yamashita, K., Masai, K., Hayakawa, S., and Koyama, K. 1986, Ap. J., in press.Google Scholar