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Supernova Remnant Populations in Nearby Star-Forming Galaxies
[chapter]
2008
Astrophysics and Space Science Proceedings
Preserved Fulltext
Identifying Radio Supernova Remnants (SNRs) The SNRs marked in the above maps were chosen to satisfy three criteria: • Integrated 20 cm flux density greater than 3x the local noise • Nonthermal spectral index: α = -ln (S 20cm / S 6cm ) / ln (ν 20cm / ν 6cm ) > 0.2 Needed to separate SNRs from HII regions
doi:10.1007/978-1-4020-6933-8_64
fatcat:sgpx56raxfabvf4hgilnuudyui