[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
Th I 13387 0 13387
Th II 6502 0 6502
Th III 227 0 227
Th IV 27 0 0
Total: 20143  0 20116