Persistent Lines of Neutral Beryllium ( Be I )

Int.     Wavelength   Aki          Energy          Configuration    Term    J       Line   Aki
            (Å)       (108s-1)     Levels (cm-1)                                    Ref.   Ref.

  100     1661.478     0.0726           0.000      2s2              1S      0       KM97   M03
                                    60187.34       2s3p             1P°     1    
 
 1000     2348.610     5.53             0.000      2s2              1S      0       KM97   M03
                                    42565.35       2s2p             1P°     1    
 
  100     2494.728     1.6          21981.27       2s2p             3P°     2       KM97   FW96
                                    62053.72       2s3d             3D      1,2,3
 
  100     2650.454     4.24*        21978.925      2s2p             3P°     1       KM97   FW96
                                    59697.08       2p2              3P      2    
 
   60     2650.550     4.24*        21978.28       2s2p             3P°     0       KM97   FW96
                                    59695.07       2p2              3P      1    
 
  200*    2650.613     4.24*        21978.925      2s2p             3P°     1       KM97   FW96
                                    59695.07       2p2              3P      1    
 
  200*    2650.619     4.24*        21981.27       2s2p             3P°     2       KM97   FW96
                                    59697.08       2p2              3P      2    
 
   60     2650.694     4.24*        21978.925      2s2p             3P°     1       KM97   FW96
                                    59693.65       2p2              3P      0    
 
  100     2650.760     4.24*        21981.27       2s2p             3P°     2       KM97   FW96
                                    59695.07       2p2              3P      1    
 
  100     3321.340                  21981.27       2s2p             3P°     2       KM97   
                                    52080.94       2s3s             3S      1    
 
   12     4572.664     0.79         42565.35       2s2p             1P°     1       KM97   FW96
                                    64428.31       2s3d             1D      2    
 
    4     8254.070                  42565.35       2s2p             1P°     1       KM97   
                                    54677.26       2s3s             1S      0