Optical supernova remnants in nearby galaxies and their influence on star formation rates derived from Hα emission

In this paper, we present the most up-to-date list of nearby galaxies with optically detected supernova remnants (SNRs). We discuss the contribution of the H alpha flux from the SNRs to the total H alpha flux and its influence on the derived star formation rate (SFR) for 18 galaxies in our sample. W...

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Bibliographic Details
Published inMonthly notices of the Royal Astronomical Society Vol. 446; no. 1; p. 943
Main Authors Vucetic, M M, Arbutina, B, Urosevic, D
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Astronomical bodies
Contamination
Emission
Flux
Galaxies
Lists
Star formation rate
Supernova remnants
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Summary:In this paper, we present the most up-to-date list of nearby galaxies with optically detected supernova remnants (SNRs). We discuss the contribution of the H alpha flux from the SNRs to the total H alpha flux and its influence on the derived star formation rate (SFR) for 18 galaxies in our sample. We found that the contribution of SNR flux to the total H alpha flux is 5 plus or minus 5 per cent. Due to the observational selection effects, the SNR contamination of SFRs derived herein represents only a lower limit.
Bibliography:ObjectType-Article-1
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content type line 23
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stu2093