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An X-ray expansion and proper motion study of the Magellanic Cloud Supernova Remnant J0509-6731 with the Chandra X-ray observatory

Roper, Quentin; Filipovic, M D; Allen, Glenn E; Sano, H.; Park, Laurence; Pannuti, Thomas G; Sasaki, Manami; Haberl, F.; Kavanagh, Patrick; Yamane, Yumiko; Yoshiike, Satoshi; Fujii, Kosuke; Fukui, Yasuo; Seitenzahl, Ivo


Using archival Chandra data consisting of a total of 78.46 ksec over two epochs 7 yr apart, we have measured the expansion of the young (∼400 yr old) Type Ia Large Magellanic Cloud supernova remnant (SNR) J0509–6731. In addition, we use radial brightness profile matching to detect proper-motion expansion of this SNR, and estimate a speed of 7500 ± 1700 km s−1. This is one of the only proper motion studies of extragalactic SNRs expansion that is able to derive an expansion velocity, and one of...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty1196
Access Rights: Open Access


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