Persistent Lines of Neutral Erbium ( Er I )

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

 
 500  3862.851   1.16        0.000- 25880.274 M64b M00
 300  3892.684   0.728       0.000- 25681.933 M64b M00
 250  3937.014   0.292       0.000- 25392.779 M64b M00
 250  3944.420            5035.193- 30380.282 M64b 
 200  3973.036   0.479       0.000- 25162.553 M64b M00
 250  3973.575   0.366       0.000- 25159.143 M64b M00
1000  4007.965   1.73        0.000- 24943.272 M64b M00
 200  4020.512            6958.329- 31823.748 M64b 
 250  4087.632   0.303       0.000- 24457.139 M64b M00
 500  4151.108   0.960       0.000- 24083.166 M64b M00
  70  4606.606   0.0754      0.000-21701.885  M64b M00
  30  5826.786   0.0104      0.000- 17157.307 M64b M00
  25  6221.019   0.0084      0.000-16070.095  M64b M00