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
4109.65716 Fr I 2 - 7s 2S1/2 0 7d 2D5/2 24332.93
4124.72679 Fr I 15 1 7s 2S1/2 0 7d 2D3/2 24244.03
4226.84532 Fr I 95 34 7s 2S1/2 0 8p 23/2 23658.306
4326.57695 Fr I 55 25 7s 2S1/2 0 8p 21/2 23112.96
4888.45977 Fr I - - 7p 21/2 12237.409 30d 2D5/2 32693.75
4888.51951 Fr I - - 7p 21/2 12237.409 30d 2D3/2 32693.5
4891.41523 Fr I - - 7p 21/2 12237.409 29d 2D5/2 32681.39
4891.48222 Fr I - - 7p 21/2 12237.409 29d 2D3/2 32681.11
4891.72389 Fr I - - 7p 21/2 12237.409 30p 23/2 32680.1
4892.03499 Fr I - - 7p 21/2 12237.409 30p 21/2 32678.8
4893.59346 Fr I - - 7p 21/2 12237.409 30s 2S1/2 32672.29
4894.7432 Fr I - - 7p 21/2 12237.409 28d 2D5/2 32667.49
4894.81747 Fr I - 1 7p 21/2 12237.409 28d 2D3/2 32667.18
4895.09062 Fr I - - 7p 21/2 12237.409 29p 23/2 32666.04
4895.44289 Fr I - - 7p 21/2 12237.409 29p 21/2 32664.57
4897.20497 Fr I - - 7p 21/2 12237.409 29s 2S1/2 32657.22
4898.50758 Fr I - - 7p 21/2 12237.409 27d 2D5/2 32651.79
4898.59156 Fr I - 1 7p 21/2 12237.409 27d 2D3/2 32651.44
4898.90113 Fr I - - 7p 21/2 12237.409 28p 23/2 32650.15
4899.30195 Fr I - - 7p 21/2 12237.409 28p 21/2 32648.48
4901.30463 Fr I - - 7p 21/2 12237.409 28s 2S1/2 32640.14
4902.78729 Fr I - - 7p 21/2 12237.409 26d 2D5/2 32633.97
4902.88344 Fr I - 1 7p 21/2 12237.409 26d 2D3/2 32633.57
4903.23923 Fr I - - 7p 21/2 12237.409 27p 23/2 32632.09
4903.69607 Fr I - - 7p 21/2 12237.409 27p 21/2 32630.19
4905.98634 Fr I - - 7p 21/2 12237.409 27s 2S1/2 32620.67
4907.68859 Fr I - - 7p 21/2 12237.409 25d 2D5/2 32613.6
4907.79697 Fr I - 1 7p 21/2 12237.409 25d 2D3/2 32613.15
4908.20648 Fr I - - 7p 21/2 12237.409 26p 23/2 32611.45
4908.73171 Fr I - - 7p 21/2 12237.409 26p 21/2 32609.27
4911.36677 Fr I - - 7p 21/2 12237.409 26s 2S1/2 32598.34
4913.33105 Fr I - - 7p 21/2 12237.409 24d 2D5/2 32590.2
4913.45659 Fr I 1 1 7p 21/2 12237.409 24d 2D3/2 32589.68
4913.92982 Fr I - - 7p 21/2 12237.409 25p 23/2 32587.72
4914.53839 Fr I - - 7p 21/2 12237.409 25p 21/2 32585.2
4917.59319 Fr I - - 7p 21/2 12237.409 25s 2S1/2 32572.56
4919.87468 Fr I - - 7p 21/2 12237.409 23d 2D5/2 32563.13
4920.02233 Fr I 1 1 7p 21/2 12237.409 23d 2D3/2 32562.52
4920.57188 Fr I - - 7p 21/2 12237.409 24p 23/2 32560.25
4921.2814 Fr I - - 7p 21/2 12237.409 24p 21/2 32557.32
4924.85145 Fr I - - 7p 21/2 12237.409 24s 2S1/2 32542.59
4927.6981 Fr I 1 1 7p 21/2 12237.409 22d 2D3/2 32530.86
4928.34652 Fr I - - 7p 21/2 12237.409 23p 23/2 32528.19
4929.17976 Fr I - - 7p 21/2 12237.409 23p 21/2 32524.76
4933.38427 Fr I - - 7p 21/2 12237.409 23s 2S1/2 32507.47
4936.54784 Fr I - - 7p 21/2 12237.409 21d 2D5/2 32494.48
4936.75255 Fr I 2 1 7p 21/2 12237.409 21d 2D3/2 32493.64
4937.52281 Fr I - - 7p 21/2 12237.409 22p 23/2 32490.48
4938.51036 Fr I - - 7p 21/2 12237.409 22p 21/2 32486.43
4943.51344 Fr I - 1 7p 21/2 12237.409 22s 2S1/2 32465.937
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