Persistent Lines of Singly Ionized Barium ( Ba II )

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

   20    2304.247                  4873.852      5d              2D      3/2   KL99   
                                  48258.617      4f              2F°     5/2
 
   30    2335.267                  5674.824      5d              2D      5/2   KL99   
                                  48483.332      4f              2F°     7/2
 
   20    3891.779     2.17        20261.561      6p              2P°     1/2   KL99   KFW02
                                  45949.472      6d              2D      3/2
 
   25    4130.649     2.18        21952.404      6p              2P°     3/2   KL99   KFW02
                                  46154.847      6d              2D      5/2
 
 1000    4554.033     1.11            0.000      6s              2S      1/2   KL99   KFW02
                                  21952.404      6p              2P°     3/2
 
  300    4934.077     0.953           0.000      6s              2S      1/2   KL99   KFW02
                                  20261.561      6p              2P°     1/2
 
  300    6141.713     0.412        5674.824      5d              2D      5/2   KL99   KFW02
                                  21952.404      6p              2P°     3/2
 
  200    6496.898     0.310        4873.852      5d              2D      3/2   KL99   KFW02
                                  20261.561      6p              2P°     1/2