Line Tables

These tables give observed air wavelengths for the 2000-20000 Å range for spectra other than Fr I. Outside of the 2000-20000 Å range, the wavelengths are vacuum wavelengths. Lines of Fr I are extrapolated vacuum wavelengths from known energy levels. All observed lines are from NIST ASD. All energy level information is from NIST ASD. Wavelengths from MIT Wavelength Tables have been omitted as this publication appears to still be under copyright. However, in some cases, the exact same wavelength is given by NIST and MIT; in that case, the line is included.

Line intensities have been adjusted in the visible region to match photographed visible spectra. Line intensities of Rn have been adjusted to match the Grotrian diagram of Rn I. Line intensities in the infrared and ultraviolet are less reliable, but every effort was made to estimate them as accurately as possible. The elements He, O, Cl, Ar, Kr, and Xe have had their NIR lines photographed out to roughly 11000 Å. The intensities of the "brightest" several IR lines of each of these elements, in the 7000-10000 Å range, can be trusted. For the range of 800-8000 Å, estimated visual brightnesses (EVB) are given. A dash in either of the intensity columns means the line intensity would be less than one relative to other lines of the same spectrum.

All Spectra

H   He
Li Be   B C N O F Ne
Na Mg   Al Si P S Cl Ar
K Ca   Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr   Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Entire Range | 2000-10000 Å | Visible Region | Si CCD/CMOS Region | Thermal IR | Vacuum UV
Specific Wavelength (rounded):  Å  nm

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λ, Å E. Sp.# Rel.Int. EVB Lower Config Lower Term+J Lower Level Upper Config Upper Term+J Upper Level
4455.205 La I 35 16 5d.6s2 2D3/2 0 5d2.(3F).6p 43/2 22439.36
4455.8 La II 435 209 5d2 a 3P1 5718.12 6s.6p °1 28154.55
4468.97 La I 75 37 5d2.(3F).6s 4F5/2 3010.002 4f.5d.(3F°).6s 47/2 25380.27
4479.812 La I 75 36 5d2.(3F).6s 4F3/2 2668.188 5d2.(3P).6p? °5/2 24984.29
4482.97 La III 420 204
4486.06 La I 105 54 5d2.(3P).6s 4P3/2 7490.521 4f.5d.(3D°).6s °5/2 29502.18
4491.749 La I 60 29 5d2.(3P).6s 4P5/2 7679.939 4f.5d.(3P°).6s °3/2 29936.74
4493.11 La I 75 38 5d.6s2 2D5/2 1053.164 5d2.(3F).6p 47/2 23303.26
4493.8 La I 40 19 5d.6s2 2D3/2 0 5d2.(3F).6p 41/2 22246.64
4494.71 La I 85 40 5d2.(3F).6s 4F3/2 2668.188 4f.5d.(1D°).6s? °3/2 24910.38
4499.05 La III 95 47
4500.22 La I 150 74 5d2.(3P).6s 4P5/2 7679.939 4f.5d.(3D°).6s °7/2 29466.67
4501.565 La I 55 26 5d2.(3F).6s 4F5/2 3010.002 5d2.(3P).6p °5/2 25218.27
4522.37 La II 5500 2684 5d.6s 2 10094.86 5d.6p x 13 32201.05
4525.31 La II 1500 667 4f.(2F°7/2).6s1/2 (7/2,1/2)°4 15698.74 4f.(2F°5/2).6p3/2 (5/2,3/2)4 37790.57
4526.12 La II 2000 995 5d2 a 3P2 6227.42 5d.6p y 33 28315.25
4541.79 La I 300 150 5d2.(3P).6s 4P3/2 7490.521 4f.5d.(3D°).6s °5/2 29502.18
4549.5 La I 105 56 5d2.(3F).6s 4F5/2 3010.002 5d2.(3P).6p? °5/2 24984.29
4549.8 La IV 2500 1323
4550.164 La I 20 11 5d2.(3F).6s 4F3/2 2668.188 5d2.(3P).6p 43/2 24639.26
4558.46 La II 1500 741 5d.6s a 3D2 2591.6 4f.5d y 13 24522.7
4559.29 La II 1000 557 5d2 a 3P2 6227.42 6s.6p °1 28154.55
4564.852 La I 75 37 5d2.(3F).6s 4F5/2 3010.002 4f.5d.(1D°).6s? °3/2 24910.38
4567.91 La I 750 378 5d2.(3F).6s 4F7/2 3494.526 4f.5d.(3F°).6s 47/2 25380.27
4570.02 La I 600 303 5d2.(3F).6s 4F9/2 4121.572 4f.5d.(3F°).6s 49/2 25997.17
4574.88 La II 2500 1145 5d2 2 1394.46 4f.5d z 32 23246.93
4580.06 La II 765 387 5d2 a 3P1 5718.12 6s.6p y 30 27545.85
4581.197 La I 120 58 5d2.(3P).6s 4P5/2 7679.939 4f.5d.(3D°).6s °5/2 29502.18
4596.184 La I 65 33 5d.6s2 2D5/2 1053.164 5d2.(3F).6p 45/2 22804.25
4602.05 La I 390 206 5d2.(3F).6s 2F7/2 8052.162 4f.5d.(3D°).6s °5/2 29502.18
4604.237 La I 165 86 5d2.(1D).6s 2D5/2 9183.797 4f.5d.(3P°).6s 45/2 30896.84
4605.78 La II 2000 1100 5d2 a 3P1 5718.12 5d.6p °1 27423.91
4613.39 La II 2000 1016 5d2 a 3P1 5718.12 5d.6p y 32 27388.11
4615.07 La I 180 98 5d2.(3P).6s 4P1/2 7231.407 4f.5d.(3D°).6s 41/2 28893.51
4619.88 La II 3000 1576 4f.(2F°5/2).6s1/2 (5/2,1/2)°2 14147.98 4f.(2F°5/2).6p1/2 (5/2,1/2)2 35787.53
4636.43 La II 150 79 4f.5d z 12 18895.41 4f.(2F°7/2).6p3/2 (7/2,3/2)2 40457.71
4643.129 La I 65 35 5d2.(3F).6s 2F5/2 7011.909 4f.5d.(3F°).6s 27/2 28543.08
4645.28 La II 330 184 5d2 a 3F3 1016.1 4f.5d z 33 22537.3
4647.51 La II 420 235 4f.(2F°7/2).6s1/2 (7/2,1/2)°4 15698.74 4f.(2F°5/2).6p3/2 (5/2,3/2)3 37209.71
4648.65 La I 135 71 5d2.(3F).6s 4F3/2 2668.188 4f.5d.(3F°).6s 43/2 24173.83
4650.33 La I 70 39 5d2.(3F).6s 4F5/2 3010.002 4f.5d.(3F°).6s 45/2 24507.87
4651.05 La I 9 5 5d2.(3F).6s 2F5/2 7011.909 5d.6s.(3D).6p °5/2 13631.04
4651.874 La I 9 5 5d2.(1D).6s 2D3/2 8446.044 4f.5d.(3P°).6s °3/2 29936.74
4652.08 La I 45 24 5d2.(3F).6s 4F7/2 3494.526 5d2.(3P).6p? °5/2 24984.29
4655.5 La II 2500 1503 4f.(2F°7/2).6s1/2 (7/2,1/2)°4 15698.74 4f.(2F°7/2).6p1/2 (7/2,1/2)4 37172.79
4660.7 La I 45 25 5d2.(3F).6s 2F7/2 8052.162 4f.5d.(3D°).6s °5/2 29502.18
4662.51 La II 2000 992 5d2 a 3F2 0 4f.5d z 31 21441.73
4663.76 La II 2000 985 4f.(2F°7/2).6s1/2 (7/2,1/2)°3 15773.77 4f.(2F°5/2).6p3/2 (5/2,3/2)3 37209.71
4668.91 La II 2500 1425 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°5/2).6p1/2 (5/2,1/2)2 35787.53
4671.66 La I 8 5 5d2.(3F).6s 4F5/2 3010.002 4f.5d.(1G°).6s °7/2 24409.68
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