/packages/chianti/idl/object/chianti_ion__constants.pro
/packages/chianti/idl/object/chianti_ion__define.pro
/packages/chianti/idl/object/chianti_ion__emiss_calc.pro
/packages/chianti/idl/object/chianti_ion__populate.pro
/packages/chianti/idl/object/density_ratios_obj.pro