blackbody 5e4K ionization parameter -2 constant temperature 1e4 K vary grid 3 4.4 0.2 hden 3 stop zone 1 set dr 0 % init "honly.ini" element oxygen on element oxygen ionization -5 -5 0 save line list "varyt.lin" "linelist.dat" no hash save line list absolute "varyt.alin" "linelist.dat" no hash save line list ratio "varyt.rat" "linelist.rat" no hash save grid "varyt.grd" no hash