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[ASD Home][Lines Query][Levels Query][List of Spectra][Ground States and Ionization Energies][Bibliography][Help] NIST Physical Measurement Laboratory
National Institute of Standards and Technology NIST Physical Measurement Laboratory
Ion No. of lines Lines with
transition
probabilities
 Lines with
level
designations

He I 2300 2289 2300
He II 140 140 140

Total: 2440  2429 2440

3He I 2289 0 2289
3He II 140 140 140

Total: 2429  140 2429