An updated catalogue of 310 Galactic supernova remnants and their statistical properties

A revised catalogue of 310 Galactic supernova remnants (SNRs) is presented, along with some statistics of their properties. 21 SNRs have been added to the catalogue since the previous published version from 2019, and 5 entries have been removed, as they have been identified as HII regions. Also discussed are some basics statistics of the remnants in the catalogue, the selection effects that apply to the identification of Galactic SNRs and their consequences.