Theoretical Derivation of $\Sigma$-$D$ Relation of Galactic SNRs

Jian-Wen Xu, Ya-Peng Hu, Hui-Rong Zhang

We derive the $\Sigma$-$D$ relation of Galactic supernova remnants of shell-type separately at adiabatic-phase and at radiative-phase through two sets of different formulas, considering…