Persistent Lines of Singly Ionized Potassium ( K II )

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

  600.77         0.0       3p6            1S     0
            166461.5       3p54s          1P°    1
  return
 
  607.93         0.0       3p6            1S     0
            164496.1       3p53d          3P°    1
  return
 
  612.62         0.0       3p6            1S     0
            163237.0       3p54s          3P°    1
  return