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
3808.79 La II 40 - 5d.6s a 3D3 3250.35 6s.6p °2 29498.05
3819.779 La I 4 - 5d.6s2 2D5/2 1053.164 5d2.(3P).6p 23/2 27225.26
3833.375 La I 4 - 5d.6s2 2D5/2 1053.164 5d2.(1G).6p 27/2 27132.44
3835.08 La II 60 - 5d2 a 3P1 5718.12 5d.6p x 30 31785.82
3840.72 La II 285 - 5d2 2 1394.46 5d.6p °1 27423.91
3846. La II 210 - 5d2 2 1394.46 5d.6p y 32 27388.11
3849.02 La II 810 1 5d2 a 3F2 0 5d.6p y 31 25973.37
3852.425 La I 4 - 5d.6s2 2D3/2 0 5d2.(3P).6p °3/2 25950.32
3854.91 La II 165 - 5d2 a 3P2 6227.42 5d.6p x 31 32160.99
3864.49 La II 615 1 5d.6p x 34 28565.4 5d.6d f 3G5 54434.65
3871.64 La II 825 2 5d2 a 3F3 1016.1 5d.6p x 33 26837.66
3878.879 La I 4 - 5d2.(3F).6s 4F9/2 4121.572 4f.5d.(3D°).6s °7/2 29466.67
3886.37 La II 1500 4 5d.6s a 3D2 2591.6 5d.6p y 33 28315.25
3898.6 La I 120 - 5d.6s2 2D3/2 0 5d2.(3P).6p 43/2 25643
3902.58 La I 80 - 5d.6s2 2D3/2 0 5d2.(3P).6p 41/2 25616.95
3910.81 La II 40 - 5d.6s a 3D2 2591.6 6s.6p °1 28154.55
3916.05 La II 1500 6 5d.6s a 3D1 1895.15 5d.6p °1 27423.91
3921.54 La II 1500 6 5d.6s a 3D1 1895.15 5d.6p y 32 27388.11
3927.56 La I 165 1 5d.6s2 2D3/2 0 5d.6s.(3D).6p °1/2 15219.89
3929.22 La II 1500 7 5d2 2 1394.46 5d.6p x 33 26837.66
3936.22 La II 405 2 5d2 a 3F3 1016.1 5d.6p x 32 26414.01
3949.1 La II 4000 20 5d.6s a 3D3 3250.35 5d.6p x 34 28565.4
3953.68 La I 105 1 5d.6s2 2D5/2 1053.164 5d2.(3P).6p 45/2 26338.93
3988.52 La II 3000 28 5d.6s a 3D3 3250.35 5d.6p y 33 28315.25
3994.164 La I 3 - 5d2.(3F).6s 4F5/2 3010.002 5d.6s.(1D).6p °7/2 28039.45
3995.75 La II 2000 19 5d2 2 1394.46 5d.6p x 32 26414.01
4001.384 La I 9 - 5d.6s2 2D3/2 0 5d2.(3P).6p? °5/2 24984.29
4015.39 La I 255 4 5d.6s2 2D5/2 1053.164 5d2.(3P).6p °3/2 25950.32
4023.59 La II 120 2 4f.(2F°5/2).6s1/2 (5/2,1/2)°3 14375.17 4f.(2F°7/2).6p3/2 (7/2,3/2)4 39221.65
4025.88 La II 120 2 5d.6s a 3D2 2591.6 5d.6p °1 27423.91
4031.69 La II 885 15 5d.6s a 3D2 2591.6 5d.6p y 32 27388.11
4036.59 La II 30 1 6s2 a 1S0 7394.57 5d.6p x 31 32160.99
4037.21 La I 105 2 5d.6s2 2D3/2 0 5d2.(3P).6p? 2D°?3/2 24762.6
4042.91 La II 825 16 5d2 a 1G4 7473.32 5d.6p x 13 32201.05
4050.08 La II 120 3 4f.(2F°7/2).6s1/2 (7/2,1/2)°3 15773.77 4f.(2F°7/2).6p3/2 (7/2,3/2)2 40457.71
4060.33 La I 165 5 5d2.(3F).6s 4F9/2 4121.572 4f.5d.(3G°).6s 411/2 28743.24
4064.79 La I 100 3 5d2.(3F).6s 4F7/2 3494.526 4f.5d.(3G°).6s 49/2 28089.17
4065.58 La I 75 2 5d.6s2 2D5/2 1053.164 5d2.(3P).6p 43/2 25643
4067.39 La II 390 13 5d2 2 1394.46 5d.6p y 31 25973.37
4076.71 La II 45 2 5d2 a 3F2 0 4f.5d y 13 24522.7
4077.35 La II 2000 75 5d.6s a 3D1 1895.15 5d.6p x 32 26414.01
4079.18 La I 85 3 5d.6s2 2D3/2 0 4f.5d.(3F°).6s 45/2 24507.87
4086.72 La II 2000 89 5d2 a 3F2 0 5d.6p y 12 24462.66
4089.61 La I 150 7 5d2.(3F).6s 4F5/2 3010.002 4f.5d.(3G°).6s 47/2 27455.31
4099.54 La II 435 25 4f.(2F°5/2).6s1/2 (5/2,1/2)°2 14147.98 4f.(2F°5/2).6p3/2 (5/2,3/2)1 38534.11
4104.87 La I 210 12 5d2.(3F).6s 4F3/2 2668.188 4f.5d.(3G°).6s 45/2 27022.62
4109.481 La I 95 6 5d.6s2 2D5/2 1053.164 4f.5d.(3F°).6s 47/2 25380.27
4123.23 La II 2500 186 5d.6s a 3D2 2591.6 5d.6p x 33 26837.66
4129.24 La III 3 -
4137.04 La I 75 9 5d.6s2 2D5/2 1053.164 5d2.(3P).6p °5/2 25218.27
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