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 3800-8000 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
278854.46585 Fr I 95 - 17p 21/2 32135.03 21d 2D3/2 32493.64
278947.03075 Fr I 80 - 15p 21/2 31833.76 18s 2S1/2 32192.251
279076.25759 Fr I - - 17d 2D5/2 32255.275 25d 2D5/2 32613.6
279328.82869 Fr I 25 - 17d 2D3/2 32253.449 26p 23/2 32611.45
279427.17429 Fr I - - 17d 2D5/2 32255.275 25d 2D3/2 32613.15
280143.43344 Fr I - - 19s 2S1/2 32283.18 28s 2S1/2 32640.14
280708.84598 Fr I 120 - 15d 2D3/2 32029.909 20p 21/2 32386.15
280760.86194 Fr I 50 - 17d 2D5/2 32255.275 26p 23/2 32611.45
281040.18594 Fr I 50 - 17d 2D3/2 32253.449 26p 21/2 32609.27
281333.52089 Fr I - - 17p 21/2 32135.03 22p 23/2 32490.48
281377.05933 Fr I 480 - 11d 2D3/2 30936.325 13p 21/2 31291.72
281991.99143 Fr I 35 - 19p 23/2 32326.77 29d 2D5/2 32681.39
282214.82192 Fr I 20 - 19p 23/2 32326.77 29d 2D3/2 32681.11
282423.64677 Fr I 1 - 17s 2S1/2 32077.492 22d 2D5/2 32431.57
282489.86568 Fr I 5 - 17d 2D5/2 32255.275 26p 21/2 32609.27
282972.68465 Fr I - - 16s 2S1/2 31929.789 19s 2S1/2 32283.18
283021.53794 Fr I - - 19p 23/2 32326.77 30p 23/2 32680.1
283022.33895 Fr I 10 - 15d 2D5/2 32032.821 20p 21/2 32386.15
283559.23552 Fr I 15 - 19p 21/2 32319.63 30s 2S1/2 32672.29
283647.70954 Fr I 7 - 18p 21/2 32237.65 24d 2D5/2 32590.2
283695.18654 Fr I 9 - 16d 2D3/2 32154.979 23s 2S1/2 32507.47
283894.11885 Fr I 60 - 16p 21/2 32004.2 20s 2S1/2 32356.444
283929.58546 Fr I 240 - 13d 2D3/2 31652 16p 21/2 32004.2
284066.69886 Fr I - - 19p 23/2 32326.77 30p 21/2 32678.8
284228.17838 Fr I 50 - 18p 23/2 32246.51 26s 2S1/2 32598.34
284575.98179 Fr I - - 17p 21/2 32135.03 22p 21/2 32486.43
285070.8401 Fr I - - 19s 2S1/2 32283.18 26d 2D5/2 32633.97
285396.27272 Fr I 6 - 19s 2S1/2 32283.18 26d 2D3/2 32633.57
285437.8188 Fr I - - 18s 2S1/2 32192.251 24s 2S1/2 32542.59
285554.37526 Fr I - - 16d 2D5/2 32157.274 23s 2S1/2 32507.47
285657.15428 Fr I - - 18p 21/2 32237.65 25p 23/2 32587.72
286503.39793 Fr I - - 18d 2D3/2 32332.354 29d 2D5/2 32681.39
286606.86137 Fr I 45 - 19s 2S1/2 32283.18 27p 23/2 32632.09
286733.41821 Fr I - - 18d 2D3/2 32332.354 29d 2D3/2 32681.11
287125.30148 Fr I 100 - 17p 23/2 32146.2 21d 2D5/2 32494.48
287471.97148 Fr I 4 - 19p 21/2 32319.63 28d 2D5/2 32667.49
287566.21212 Fr I 15 - 18d 2D3/2 32332.354 30p 23/2 32680.1
287717.62242 Fr I - - 18d 2D5/2 32333.827 29d 2D5/2 32681.39
287728.38441 Fr I 40 - 19p 21/2 32319.63 28d 2D3/2 32667.18
287819.47962 Fr I 50 - 17p 23/2 32146.2 21d 2D3/2 32493.64
287949.5973 Fr I - - 18d 2D5/2 32333.827 29d 2D3/2 32681.11
288147.07026 Fr I 25 - 13d 2D5/2 31657.155 16p 21/2 32004.2
288176.13325 Fr I 25 - 19s 2S1/2 32283.18 27p 21/2 32630.19
288645.27228 Fr I 35 - 18d 2D3/2 32332.354 30p 21/2 32678.8
288675.26919 Fr I - - 19p 21/2 32319.63 29p 23/2 32666.04
288789.48113 Fr I 35 - 18d 2D5/2 32333.827 30p 23/2 32680.1
289418.84696 Fr I 35 - 19p 23/2 32326.77 30s 2S1/2 32672.29
289790.39461 Fr I 50 - 11d 2D5/2 30946.643 13p 21/2 31291.72
289877.75855 Fr I 3 - 18d 2D5/2 32333.827 30p 21/2 32678.8
289905.49081 Fr I - - 19p 21/2 32319.63 29p 21/2 32664.57
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