Updated Radio Sigma-D Relation and Distances to the Shell-Like Galactic Supernova Remnants -- IV

D. Urošević, B. Vukotić, M. Anđelić +1

We present a new selected sample of 69 Galactic supernova remnants (SNRs) for calibration of radio $\Sigma -D$ relation at 1 GHz. Calibrators with the most reliable distances were select…