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
289946.67881 Fr I 7 - 17d 2D3/2 32253.449 26s 2S1/2 32598.34
290461.25247 Fr I - - 17p 23/2 32146.2 22p 23/2 32490.48
290959.87663 Fr I 65 - 18p 23/2 32246.51 24d 2D5/2 32590.2
291400.76347 Fr I 35 - 18p 23/2 32246.51 24d 2D3/2 32589.68
291489.95088 Fr I - - 17d 2D5/2 32255.275 26s 2S1/2 32598.34
292132.86203 Fr I - - 15s 2S1/2 31735.182 17s 2S1/2 32077.492
293074.64611 Fr I - - 18p 23/2 32246.51 25p 23/2 32587.72
293496.12585 Fr I 40 - 19p 23/2 32326.77 28d 2D5/2 32667.49
293763.40296 Fr I 20 - 19p 23/2 32326.77 28d 2D3/2 32667.18
293918.81962 Fr I - - 17p 23/2 32146.2 22p 21/2 32486.43
294173.0208 Fr I 4 - 18d 2D3/2 32332.354 30s 2S1/2 32672.29
294316.74368 Fr I 2 - 13p 21/2 31291.72 14p 23/2 31631.49
294463.20829 Fr I 165 - 15p 23/2 31852.65 18s 2S1/2 32192.251
294549.94242 Fr I - - 16d 2D3/2 32154.979 21d 2D5/2 32494.48
294750.49371 Fr I - - 19p 23/2 32326.77 29p 23/2 32666.04
295117.57484 Fr I - - 17s 2S1/2 32077.492 21s 2S1/2 32416.34
295255.24816 Fr I - - 18p 23/2 32246.51 25p 21/2 32585.2
295280.53127 Fr I - - 16d 2D3/2 32154.979 21d 2D3/2 32493.64
295325.87734 Fr I 10 - 18s 2S1/2 32192.251 22d 2D3/2 32530.86
295453.26963 Fr I - - 18d 2D5/2 32333.827 30s 2S1/2 32672.29
295950.80114 Fr I 120 - 16p 23/2 32018.55 20s 2S1/2 32356.444
296033.15571 Fr I - - 19p 23/2 32326.77 29p 21/2 32664.57
296217.30501 Fr I 20 - 19p 21/2 32319.63 29s 2S1/2 32657.22
296305.07571 Fr I - - 19s 2S1/2 32283.18 27s 2S1/2 32620.67
296466.70975 Fr I - - 20s 2S1/2 32356.444 30d 2D5/2 32693.75
296554.62833 Fr I - - 16d 2D5/2 32157.274 21d 2D5/2 32494.48
296686.60401 Fr I 4 - 20s 2S1/2 32356.444 30d 2D3/2 32693.5
296955.31713 Fr I - - 17d 2D3/2 32253.449 24d 2D5/2 32590.2
297295.2082 Fr I - - 16d 2D5/2 32157.274 21d 2D3/2 32493.64
297414.5751 Fr I - - 17d 2D3/2 32253.449 24d 2D3/2 32589.68
297673.08946 Fr I 80 - 18s 2S1/2 32192.251 23p 23/2 32528.19
298061.70473 Fr I 45 - 16d 2D3/2 32154.979 22p 23/2 32490.48
298386.32674 Fr I - - 18d 2D3/2 32332.354 28d 2D5/2 32667.49
298574.30768 Fr I - - 17d 2D5/2 32255.275 24d 2D5/2 32590.2
298587.68027 Fr I 30 - 18p 21/2 32237.65 25s 2S1/2 32572.56
298662.58893 Fr I - - 18d 2D3/2 32332.354 28d 2D3/2 32667.18
299038.59093 Fr I - - 17d 2D5/2 32255.275 24d 2D3/2 32589.68
299158.46723 Fr I 30 - 17d 2D3/2 32253.449 25p 23/2 32587.72
299682.93545 Fr I 20 - 18d 2D3/2 32332.354 29p 23/2 32666.04
299703.59315 Fr I - - 18d 2D5/2 32333.827 28d 2D5/2 32667.49
299709.88084 Fr I 690 - 12s 2S1/2 30559.504 12p 23/2 30893.16
299982.30104 Fr I - - 18d 2D5/2 32333.827 28d 2D3/2 32667.18
300114.64379 Fr I 90 - 16d 2D5/2 32157.274 22p 23/2 32490.48
300743.73927 Fr I 40 - 18s 2S1/2 32192.251 23p 21/2 32524.76
300801.63636 Fr I 60 - 17d 2D5/2 32255.275 25p 23/2 32587.72
301008.98211 Fr I 40 - 18d 2D3/2 32332.354 29p 21/2 32664.57
301011.70032 Fr I 40 - 18d 2D5/2 32333.827 29p 23/2 32666.04
301059.73025 Fr I 5 - 19p 21/2 32319.63 27d 2D5/2 32651.79
301377.29423 Fr I 50 - 19p 21/2 32319.63 27d 2D3/2 32651.44
301430.89245 Fr I 60 - 17d 2D3/2 32253.449 25p 21/2 32585.2
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