Europium (Eu)
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Persistent Lines of Singly Ionized Europium ( Eu II )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
70 2727.78 0.65 0.00 4f7(8S°)6s a 9S° 4 MCS75 ZLLZ00
36648.95 4f6(7F)5d (8P)6s y 9P 5
60 2813.94 0.55 0.00 4f7(8S°)6s a 9S° 4 MCS75 ZLLZ00
35527.02 4f6(7F)5d (8P)6s y 9P 4
50 2906.68 0.41 0.00 4f7(8S°)6s a 9S° 4 MCS75 ZLLZ00
34393.57 4f6(7F)5d (8P)6s y 9P 3
110 3688.42 0.13 0.00 4f7(8S°)6s a 9S° 4 MCS75 ZLLZ00
27104.07 4f7(8S°7/2)6p3/2 (7/2,3/2) 3
300 3724.94 0.45 0.00 4f7(8S°)6s a 9S° 4 MCS75 K91
26838.50 4f7(8S°7/2)6p3/2 (7/2,3/2) 4
600 3819.67 1.27 0.00 4f7(8S°)6s a 9S° 4 MCS75 K91
26172.83 4f7(8S°7/2)6p3/2 (7/2,3/2) 5
500 3907.10 1.37 1669.21 4f7(8S°)6s a 7S° 3 MCS75 K91
27256.35 4f7(8S°7/2)6p3/2 (7/2,3/2) 2
500 3930.48 1.07 1669.21 4f7(8S°)6s a 7S° 3 MCS75 ZLLZ00
27104.07 4f7(8S°7/2)6p3/2 (7/2,3/2) 3
500 3971.96 0.89 1669.21 4f7(8S°)6s a 7S° 3 MCS75 K91
26838.50 4f7(8S°7/2)6p3/2 (7/2,3/2) 4
600 4129.70 0.68 0.00 4f7(8S°)6s a 9S° 4 MCS75 K91
24207.86 4f7(8S°7/2)6p1/2 (7/2,1/2) 4
1000 4205.05 0.71 0.00 4f7(8S°)6s a 9S° 4 MCS75 K91
23774.28 4f7(8S°7/2)6p1/2 (7/2,1/2) 3
250 4435.56 0.31 1669.21 4f7(8S°)6s a 7S° 3 MCS75 K91
24207.86 4f7(8S°7/2)6p1/2 (7/2,1/2) 4
50 4522.57 0.099 1669.21 4f7(8S°)6s a 7S° 3 MCS75 K91
23774.28 4f7(8S°7/2)6p1/2 (7/2,1/2) 3
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