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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
Be I 581 394 581
Be II 681 149 681
Be III 323 302 316
Be IV 142 142 142
Total: 1727  987 1720