Set save prefix "varyR" Blackbody 4.36e4 K Q(H) 49.34 Radius 16 vary grid 13 23 2 Hden 4 stop zone 1 set dr 0 Abundances ISM Cosmic rays background Save overview ".ovr" last no hash Save grid ".grd" last no hash Save element hydrogen ".hyd" last no hash Save element iron ".fe" last no hash