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NIST Atomic Spectra Database Lines Data

B (all spectra): 2 Lines of Data Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, April 19]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 
Wavelength range: 530 - 540 nm
λ in: vacuum below 200 nm, air between 200 and 2000 nm, vacuum above 2000 nm
Highest relative intensity: 30

Query NIST Bibliographic Databases for
B (new window)
B Energy Levels
B Line Wavelengths and Classification
B Transition Probabilities

Ion  Observed 
 Wavelength 
 Air (nm) 		  Unc. 
 (nm) 		  Ritz 
 Wavelength 
 Air (nm) 		  Unc. 
 (nm) 		  Rel. 
 Int. 
(?) 		 Aki
 (s−1) 		  Acc.   Ei 
 (cm−1) 		    Ek 
 (cm−1) 		  Lower Level 
 Conf., Term, J 		  Upper Level 
 Conf., Term, J 		  Type   TP
Ref.		  Line
Ref.
                                       
B II  534.765  0.010  534.765  0.009   15  5.96e+06    C 167 935.31  -  186 629.92   1s22s4s   1S   0   1s22p3s   1P°   1  u27 L12120
B II  539.317  0.010  539.322  0.009   30  6.07e+06    C 170 591.33  -  189 127.98   1s22s4p   1P°   1   1s22p3p   1P   1  u27 L12120

If you did not find the data you need, please inform the ASD Team.

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