### 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