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...
VizieR online Data Catalogue associated with article published in journal Astronomy & Astrophysics with title 'Extended radio halo of the supernova remnant CTB87 (G74.9+1.2).' (bibcode: 2022A&
Supernova remnants (SNRs) drive interstellar turbulence and play an important role in the dynamic evolution of the Galaxy. Currently, there are about 300 known SNRs, and the number is far from complet