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
4171.124 La I 65 12 5d2.(3F).6s 4F9/2 4121.572 4f.5d.(3G°).6s 49/2 28089.17
4172.32 La I 65 12 5d2.(3F).6s 4F7/2 3494.526 4f.5d.(3G°).6s 47/2 27455.31
4177.48 La I 135 28 5d.6s2 2D5/2 1053.164 5d2.(3P).6p? °5/2 24984.29
4187.32 La I 585 141 5d.6s2 2D3/2 0 5d.6s.(3D).6p °5/2 13631.04
4190.423 La I 15 3 5d.6s2 2D5/2 1053.164 4f.5d.(1D°).6s? °3/2 24910.38
4192.36 La II 645 156 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°5/2).6p3/2 (5/2,3/2)2 38221.49
4196.55 La II 2500 728 5d.6s a 3D2 2591.6 5d.6p x 32 26414.01
4204.04 La II 2500 715 5d2 a 3P1 5718.12 6s.6p °2 29498.05
4216.542 La I 95 31 5d.6s2 2D5/2 1053.164 5d2.(3P).6p? 2D°?3/2 24762.6
4217.365 La I 9 3 5d.6s2 2D3/2 0 5d2.(3P).6p 43/2 23704.81
4217.56 La II 2000 593 4f.(2F°7/2).6s1/2 (7/2,1/2)°4 15698.74 4f.(2F°7/2).6p3/2 (7/2,3/2)3 39402.55
4230.95 La II 840 299 4f.(2F°7/2).6s1/2 (7/2,1/2)°3 15773.77 4f.(2F°7/2).6p3/2 (7/2,3/2)3 39402.55
4238.38 La II 2500 907 5d.6s a 3D3 3250.35 5d.6p x 33 26837.66
4238.593 La I 30 11 5d.6s2 2D5/2 1053.164 5d2.(3P).6p 43/2 24639.26
4249.99 La II 435 176 4f.(2F°7/2).6s1/2 (7/2,1/2)°4 15698.74 4f.(2F°7/2).6p3/2 (7/2,3/2)4 39221.65
4262.34 La I 70 29 5d.6s2 2D5/2 1053.164 4f.5d.(3F°).6s 45/2 24507.87
4263.59 La II 705 296 4f.(2F°7/2).6s1/2 (7/2,1/2)°3 15773.77 4f.(2F°7/2).6p3/2 (7/2,3/2)4 39221.65
4269.5 La II 720 313 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°5/2).6p3/2 (5/2,3/2)4 37790.57
4270.76 La IV 2500 1031
4271.149 La I 150 63 5d2.(3P).6s 4P3/2 7490.521 4f.5d.(3P°).6s 45/2 30896.84
4275.64 La II 2500 1084 5d.6s a 3D2 2591.6 5d.6p y 31 25973.37
4280.27 La I 255 111 5d.6s2 2D5/2 1053.164 4f.5d.(1G°).6s °7/2 24409.68
4286.97 La II 3000 1366 4f.(2F°7/2).6s1/2 (7/2,1/2)°4 15698.74 4f.(2F°7/2).6p3/2 (7/2,3/2)5 39018.74
4296.05 La II 1500 747 5d2 a 3P2 6227.42 6s.6p °2 29498.05
4300.44 La II 180 85 5d2 a 3F2 0 4f.5d z 32 23246.93
4305.996 La I 180 80 5d2.(3P).6s 4P5/2 7679.939 4f.5d.(3P°).6s 45/2 30896.84
4311.725 La I 55 26 5d2.(3P).6s 4P1/2 7231.407 4f.5d.(3P°).6s 43/2 30417.46
4315.9 La II 180 87 5d.6s a 3D3 3250.35 5d.6p x 32 26414.01
4322.51 La II 570 264 5d2 2 1394.46 4f.5d y 13 24522.7
4333.74 La II 3000 1471 5d2 2 1394.46 5d.6p y 12 24462.66
4334.96 La II 195 92 4f.(2F°5/2).6s1/2 (5/2,1/2)°2 14147.98 4f.(2F°5/2).6p3/2 (5/2,3/2)3 37209.71
4354.4 La II 2000 946 6s2 a 1S0 7394.57 4f.5d y 11 30353.33
4357.913 La I 135 60 5d2.(3F).6s 4F5/2 3010.002 5d2.(3P).6p °3/2 25950.32
4360.456 La I 150 70 5d2.(3P).6s 4P3/2 7490.521 4f.5d.(3P°).6s 43/2 30417.46
4364.67 La II 2000 830 5d2 a 3P0 5249.7 6s.6p °1 28154.55
4378.1 La II 2000 1013 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°5/2).6p3/2 (5/2,3/2)3 37209.71
4380.547 La I 210 96 5d.6s2 2D5/2 1053.164 5d.6s.(3D).6p °5/2 13631.04
4383.44 La II 2500 1083 4f.(2F°5/2).6s1/2 (5/2,1/2)°2 14147.98 4f.(2F°7/2).6p1/2 (7/2,1/2)3 36954.65
4385.2 La II 420 200 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°7/2).6p1/2 (7/2,1/2)4 37172.79
4393.587 La I 345 161 5d2.(3P).6s 4P1/2 7231.407 4f.5d.(3P°).6s 41/2 29985.46
4396.782 La I 600 281 5d2.(3P).6s 4P5/2 7679.939 4f.5d.(3P°).6s 43/2 30417.46
4403.015 La I 795 378 5d2.(3P).6s 4P1/2 7231.407 4f.5d.(3P°).6s °3/2 29936.74
4411.21 La II 3000 1407 5d.6p x 34 28565.4 5d.(2D5/2).7s1/2 (5/2,1/2)3 51228.57
4419.16 La II 885 419 4f.5d z 14 16599.17 4f.(2F°7/2).6p3/2 (7/2,3/2)4 39221.65
4427.55 La II 705 334 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°7/2).6p1/2 (7/2,1/2)3 36954.65
4429.9 La II 3500 1776 5d.6s a 3D1 1895.15 5d.6p y 12 24462.66
4432.98 La II 315 148 5d2 a 3F4 1970.7 4f.5d y 13 24522.7
4435.85 La II 60 30 5d2 a 3F2 0 4f.5d z 33 22537.3
4442.675 La I 75 35 5d2.(3F).6s 4F7/2 3494.526 4f.5d.(3F°).6s 49/2 25997.17
4444.197 La I 10 6 5d2.(3P).6s 4P3/2 7490.521 4f.5d.(3P°).6s 41/2 29985.46
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