set save prefix "stoy"
hden 0 
ionization -2 
blackbody 4e4 K vary
grid 4.5 5 0.1 log 
element oxygen ionization -9 -0.5 -0.5
element nitrogen ionization -9 -0.5 -0.5
stop zone 1
set dr 0 
save line list ratio ".rat" "LineListBPT.dat" no hash
save grid ".grd" last no hash
save overview ".ovr" last no hash