# The Magellan/IMACS Catalog of Optical Supernova Remnant Candidates in M83

@article{Blair2012TheMC,
title={The Magellan/IMACS Catalog of Optical Supernova Remnant Candidates in M83},
author={William P. Blair and P. Frank Winkler and Knox S. Long},
journal={arXiv: Astrophysics of Galaxies},
year={2012}
}
• Published 31 August 2012
• Physics
• arXiv: Astrophysics of Galaxies
We present a new optical imaging survey of supernova remnants in M83, using data obtained with the Magellan I 6.5m telescope and IMACS instrument under conditions of excellent seeing. Using the criterion of strong [S II] emission relative to Halpha, we confirm all but three of the 71 SNR candidates listed in our previous survey, and expand the SNR candidate list to 225 objects, more than tripling the earlier sample. Comparing the optical survey with a new deep X-ray survey of M83 with Chandra…

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