# A Newly Recognized Very Young Supernova Remnant in M83

@article{Blair2014ANR,
title={A Newly Recognized Very Young Supernova Remnant in M83},
author={William P. Blair and P. Frank Winkler and Knox S. Long and Bradley C. Whitmore and Hwihyun Kim and Roberto Soria and Kip D. Kuntz and Paul P. Plucinsky and Michael A. Dopita and Christopher P. J. Stockdale},
journal={arXiv: Astrophysics of Galaxies},
year={2014}
}
• Published 30 December 2014
• Physics
• arXiv: Astrophysics of Galaxies
As part of a spectroscopic survey of supernova remnant candidates in M83 using the Gemini-South telescope and GMOS, we have discovered one object whose spectrum shows very broad lines at H$\alpha$, [O~I] 6300,6363, and [O~III] 4959,5007, similar to those from other objects classified as `late time supernovae.' Although six historical supernovae have been observed in M83 since 1923, none were seen at the location of this object. Hubble Space Telescope Wide Field Camera 3 images show a nearly…

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