[skip navigation]
[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