Neutral AtomSingly Ionized Atom
Finding listPeriodic TableAtomic DataStrong LinesNeutral Atom Persistent Lines Neutral Atom Energy LevelsSingly Ionized Persistent LinesSingly Ionized Energy LevelsReferences

Persistent Lines of Neutral Helium ( He I )

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

 
 100   522.21309  2.4356      0.000 -191492.7120 M02  D96
 400   537.02992  5.6634      0.000 -186209.3651 M02  D96
1000   584.33436 17.989       0.000 -171134.8970 M02  D96
  60  3888.6046   0.0947 159855.9745-185564.8547 M02  D96
 200  3888.6456   0.0947 159855.9745-185564.5840 M02  D96
 300  3888.6489   0.0947 159855.9745-185564.5620 M02  D96
 500  5875.6148   0.7070 169086.7666-186101.5463 M02  D96
 250  5875.6404   0.5303 169086.8430-186101.5488 M02  D96
 120  5875.9663   0.3927 169087.8309-186101.5930 M02  D96
 200  6678.1517   0.6369 171134.8970-186104.9668 M02  D96
 100  7065.1771   0.1547 169086.7666-183236.7918 M02  D96
  60  7065.2153   0.0928 169086.8430-183236.7918 M02  D96
  20  7065.7086   0.0309 169087.8309-183236.7918 M02  D96
  50  7281.3507   0.1830 171134.8970-184864.8294 M02  D96
 150 10829.0911   0.1022 159855.9745-169087.8309 M02  D96
 500 10830.2501   0.1021 159855.9745-169086.8430 M02  D96
1000 10830.3398   0.1021 159855.9745-169086.7666 M02  D96
 500 20581.287    0.0197 166277.4403-171134.8970 M02  D96