Optical spectra of supernova remnant candidates in the Sculptor Group galaxy NGC 300

Article


Millar, William C., White, Graeme L., Filipovic, Miroslav D., Payne, Jeffrey L., Crawford, Evan J., Pannuti, Thomas G. and Staggs, Wayne D.. 2011. "Optical spectra of supernova remnant candidates in the Sculptor Group galaxy NGC 300 ." Astrophysics and Space Science: an international journal of astronomy, astrophysics and space science. 332 (2), pp. 221-239. https://doi.org/10.1007/s10509-010-0556-y
Article Title

Optical spectra of supernova remnant candidates in the Sculptor Group galaxy NGC 300

ERA Journal ID1059
Article CategoryArticle
AuthorsMillar, William C., White, Graeme L., Filipovic, Miroslav D., Payne, Jeffrey L., Crawford, Evan J., Pannuti, Thomas G. and Staggs, Wayne D.
Journal TitleAstrophysics and Space Science: an international journal of astronomy, astrophysics and space science
Journal Citation332 (2), pp. 221-239
Number of Pages19
Year2011
PublisherSpringer
Place of PublicationNetherlands
ISSN0004-640X
1572-946X
Digital Object Identifier (DOI)https://doi.org/10.1007/s10509-010-0556-y
Web Address (URL)https://link.springer.com/article/10.1007/s10509-010-0556-y
Abstract

We present moderate-resolution (<5 Å) long-slit optical spectra of 51 nebular objects in the nearby Sculptor Group galaxy NGC 300 obtained with the 2. 3 meter Advanced Technology Telescope at Siding Spring Observatory, Australia. Adopting the criterion of [S ii]Total:Hα≥0. 4 to confirm supernova remnants (SNRs) from optical spectra, we find that of 28 objects previously proposed as SNRs from optical observations, 22 meet this criterion with six showing [S ii]Total:Hα of less than 0. 4. Of 27 objects suggested as SNRs from radio data, four are associated with the 28 previously proposed SNRs. Of these four, three (included in the 22 above) meet the criterion. In all, 22 of the 51 nebular objects meet the [S ii]Total:Hα criterion as SNRs while the nature of the remaining 29 objects remains undetermined by these observations. © 2010 Springer Science+Business Media B.V.

KeywordsGalaxies: individual: NGC 300; Galaxies: ISM; Supernova remnants
Public Notes

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Byline AffiliationsJames Cook University
Grand Rapids Community College, United States
University of Western Sydney
Morehead State University, United States
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