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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
Er LXVI 26 0 26
Er LXVIII 13 12 13
Total: 676  34 64