Persistent Lines of Singly Ionized Barium ( Ba II )

Wavelength  Energy         Configuration Term   J  
   (Å)      Levels (cm-1)

 2304.247     4873.852     5d            2D     3/2
             48258.617     4f            2F°    5/2
  return
 
 2335.267     5674.824     5d            2D     5/2
             48483.332     4f            2F°    7/2
  return
 
 3891.779    20261.561     6p            2P°    1/2
             45949.472     6d            2D     3/2
  return
 
 4130.649    21952.404     6p            2P°    3/2
             46154.847     6d            2D     5/2
  return
 
 4554.033        0.000     6s            2S     1/2
             21952.404     6p            2P°    3/2
  return
 
 4934.077        0.000     6s            2S     1/2
             20261.561     6p            2P°    1/2
  return
 
 6141.713     5674.824     5d            2D     5/2
             21952.404     6p            2P°    3/2
  return
 
 6496.898     4873.852     5d            2D     3/2
             20261.561     6p            2P°    1/2
  return