Velocities and 3D structure of the SNRs Cas A and SN1987A

Details Velocities and 3D structure of the SNRs Cas A and SN1987A Velocities and 3D structure of the SNRs Cas A and SN1987A

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hrxs.confe..15d&link_type=abstract

"High Resolution X-ray Spectroscopy: Towards IXO, Proceedings of the international workshop held at the Mullard Space Science La

Physics

Scientific paper

I'll review the observations of SNRs Cas A and SN 1987A made with Chandra's HETG (e.g., Lazendic et al. 2006, ApJ, 651, 250; Dewey et al. 2008, ApJ, 676L, 131; Zhekov et al. 2009, arXiv:0810.5313). For both SNRs, the motion of the shocked, emitting plasma can be measured and put into the context of their 3D structure. For SN 1987A I'll also present analyses suggesting very broad emission, of order 6000 km/s FWHM, and speculate on its reality and possible origin.

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