Supernova Remnants in the Irregular Galaxy NGC 4449

Supernova Remnants in the Irregular Galaxy NGC 4449

The nearby irregular galaxy NGC 4449 has a star formation rate of ∼0.4 M _☉ yr ^−1 and should host of order 70 supernova remnants (SNRs) younger than 20,000 yr, a typical age for SNRs expanding into an interstellar medium (ISM) with a density of 1 cm ^−3 to reach the radiative phase. We have carried...

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Bibliographic Details
Main Authors:	P. Frank Winkler, Knox S. Long, William P. Blair
Format:	Article
Language:	English
Published:	IOP Publishing 2023-01-01
Series:	The Astrophysical Journal
Subjects:	Supernova remnants
Online Access:	https://doi.org/10.3847/1538-4357/ad0237

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