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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
Er I 232 11 13
Er II 285 11 12
Er III 120 0 0
Total: 637  22 25