Persistent Lines of Singly Ionized Holmium ( Ho II )

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

 3398.95        0.00       4f11(4I°15/2)6s1/2      (15/2,1/2)°  8
            29412.38       4f11(4I°15/2)6p3/2      (15/2,3/2)   8
  return
 
 3416.44      637.40       4f11(4I°15/2)6s1/2      (15/2,1/2)°  7
            29899.21       4f11(4I°15/2)6p3/2      (15/2,3/2)   7
  return
 
 3453.11      637.40       4f11(4I°15/2)6s1/2      (15/2,1/2)°  7
            29588.49       4f11(4I°15/2)6p3/2      (15/2,3/2)   6
  return
 
 3456.02        0.00       4f11(4I°15/2)6s1/2      (15/2,1/2)°  8
            28926.70       4f11(4I°15/2)6p3/2      (15/2,3/2)   9
  return
 
 3474.25      637.40       4f11(4I°15/2)6s1/2      (15/2,1/2)°  7
            29412.38       4f11(4I°15/2)6p3/2      (15/2,3/2)   8
  return
 
 3484.80      637.40       4f11(4I°15/2)6s1/2      (15/2,1/2)°  7
            29325.2                                             7
  return
 
 3515.56      637.40       4f11(4I°15/2)6s1/2      (15/2,1/2)°  7
            29074.26                                            6
  return
 
 3748.17                                                         
                                                                 
  return
 
 3796.75        0.00       4f11(4I°15/2)6s1/2      (15/2,1/2)°  8
            26330.85       4f11(4I°15/2)6p1/2      (15/2,1/2)   8
  return
 
 3810.74        0.00       4f11(4I°15/2)6s1/2      (15/2,1/2)°  8
            26234.19       4f11(4I°15/2)6p1/2      (15/2,1/2)   7
  return
 
 3888.96     5849.74       4f11(4I°13/2)6s1/2      (13/2,1/2)°  6
            31556.3        4f11(4I°13/2)6p1/2      (13/2,1/2)   7
  return
 
 3890.94      637.40       4f11(4I°15/2)6s1/2      (15/2,1/2)°  7
            26330.85       4f11(4I°15/2)6p1/2      (15/2,1/2)   8
  return
 
 4045.47        0.00       4f11(4I°15/2)6s1/2      (15/2,1/2)°  8
            24712.0                                             7
  return