"Wavelength, Å","Element","Spectrum","Rel. Intensity","Est. Visual Brightness","Lower Config","Lower Term+J","Lower Level","Upper Config","Upper Term+J","Upper Level" "320.2926","He","I","30","-","1s.2p","3P*2","169086.7664725","2p2","3P0,1,2","481301.5" "505.61","He","I","10","-","1s2","1S0","0","1s.15p","1P*1","197823.79" "505.75","He","I","15","-","1s2","1S0","0","1s.14p","1P*1","197751.82" "505.9","He","I","20","-","1s2","1S0","0","1s.13p","1P*1","197662.63" "506.31","He","I","25","-","1s2","1S0","0","1s.12p","1P*1","197550.24" "506.56","He","I","40","-","1s2","1S0","0","1s.11p","1P*1","197405.87" "507.08","He","I","55","-","1s2","1S0","0","1s.10p","1P*1","197216.0895622" "507.71","He","I","80","-","1s2","1S0","0","1s.9p","1P*1","196959.692816" "508.63","He","I","105","-","1s2","1S0","0","1s.8p","1P*1","196601.400247" "509.97","He","I","135","-","1s2","1S0","0","1s.7p","1P*1","196079.0875698" "512.07","He","I","195","-","1s2","1S0","0","1s.6p","1P*1","195274.908466" "515.596","He","I","270","-","1s2","1S0","0","1s.5p","1P*1","193942.462294" "522.186","He","I","555","-","1s2","1S0","0","1s.4p","1P*1","191492.711909" "537.0293","He","I","2500","-","1s2","1S0","0","1s.3p","1P*1","186209.36494" "584.3339","He","I","10000","-","1s2","1S0","0","1s.2p","1P*1","171134.896946" "591.4121","He","I","555","-","1s2","1S0","0","1s.2p","3P*1","169086.8428979"