[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

Nb I 509 0 0
Nb II 150 0 0
Nb III 108 0 0
Nb IV 819 819 819
Nb V 12 0 0

Total: 1598  819 819