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
301703.72091 Fr I 90 - 16d 2D3/2 32154.979 22p 21/2 32486.43
302199.7117 Fr I 45 - 17p 21/2 32135.03 22s 2S1/2 32465.937
302349.55842 Fr I 4 - 18d 2D5/2 32333.827 29p 21/2 32664.57
302553.55198 Fr I - - 19p 21/2 32319.63 28p 23/2 32650.15
302617.64261 Fr I 40 - 19p 23/2 32326.77 29s 2S1/2 32657.22
302645.11833 Fr I - - 19s 2S1/2 32283.18 25d 2D5/2 32613.6
303057.85374 Fr I 8 - 19s 2S1/2 32283.18 25d 2D3/2 32613.15
303099.18921 Fr I 6 - 17d 2D5/2 32255.275 25p 21/2 32585.2
303310.63559 Fr I 495 - 13p 23/2 31327.46 13d 2D5/2 31657.155
303373.20669 Fr I 15 - 16p 21/2 32004.2 18d 2D5/2 32333.827
303807.31325 Fr I 9 - 16d 2D5/2 32157.274 22p 21/2 32486.43
304090.01064 Fr I - - 19p 21/2 32319.63 28p 21/2 32648.48
304627.28851 Fr I 55 - 19s 2S1/2 32283.18 26p 23/2 32611.45
304734.97199 Fr I 165 - 16p 21/2 32004.2 18d 2D3/2 32332.354
306245.88482 Fr I 15 - 15d 2D3/2 32029.909 20s 2S1/2 32356.444
306663.80447 Fr I 30 - 19s 2S1/2 32283.18 26p 21/2 32609.27
306701.42616 Fr I 65 - 18p 23/2 32246.51 25s 2S1/2 32572.56
307232.87638 Fr I 3 - 16s 2S1/2 31929.789 17d 2D5/2 32255.275
307238.54 Fr I 8 - 18p 21/2 32237.65 23d 2D5/2 32563.13
307673.37395 Fr I 50 - 19p 23/2 32326.77 27d 2D5/2 32651.79
307743.44045 Fr I - - 20s 2S1/2 32356.444 29d 2D5/2 32681.39
307815.43387 Fr I 80 - 18p 21/2 32237.65 23d 2D3/2 32562.52
307819.22393 Fr I 5 - 18d 2D3/2 32332.354 29s 2S1/2 32657.22
308005.05128 Fr I 25 - 19p 23/2 32326.77 27d 2D3/2 32651.44
308008.84601 Fr I 5 - 20s 2S1/2 32356.444 29d 2D3/2 32681.11
308100.89688 Fr I 20 - 14d 2D3/2 31867.682 18s 2S1/2 32192.251
308128.42793 Fr I 255 - 13p 23/2 31327.46 13d 2D3/2 31652
308795.41995 Fr I 135 - 14p 21/2 31605.95 16s 2S1/2 31929.789
308966.1991 Fr I 25 - 16s 2S1/2 31929.789 17d 2D3/2 32253.449
308970.01755 Fr I 35 - 20s 2S1/2 32356.444 30p 23/2 32680.1
309001.52338 Fr I 2 - 15d 2D5/2 32032.821 20s 2S1/2 32356.444
309105.63376 Fr I 25 - 15p 21/2 31833.76 16d 2D5/2 32157.274
309221.28803 Fr I - - 18d 2D5/2 32333.827 29s 2S1/2 32657.22
309233.71884 Fr I - - 19p 23/2 32326.77 28p 23/2 32650.15
309981.40112 Fr I - - 18p 21/2 32237.65 24p 23/2 32560.25
310010.23034 Fr I - - 16p 21/2 32004.2 19p 23/2 32326.77
310216.03445 Fr I 20 - 20s 2S1/2 32356.444 30p 21/2 32678.8
310838.95434 Fr I - - 19p 23/2 32326.77 28p 21/2 32648.48
311314.0879 Fr I 255 - 15p 21/2 31833.76 16d 2D3/2 32154.979
311781.92725 Fr I 2 - 14d 2D5/2 31871.514 18s 2S1/2 32192.251
312002.74562 Fr I 20 - 19p 21/2 32319.63 28s 2S1/2 32640.14
312237.52533 Fr I 2 - 17s 2S1/2 32077.492 19d 2D5/2 32397.761
312757.0472 Fr I 95 - 17p 23/2 32146.2 22s 2S1/2 32465.937
312822.5983 Fr I - - 18p 21/2 32237.65 24p 21/2 32557.32
313051.75372 Fr I - - 18d 2D3/2 32332.354 27d 2D5/2 32651.79
313370.58265 Fr I 8 - 17d 2D3/2 32253.449 25s 2S1/2 32572.56
313395.13485 Fr I - - 18d 2D3/2 32332.354 27d 2D3/2 32651.44
313420.67323 Fr I 20 - 17s 2S1/2 32077.492 19d 2D3/2 32396.552
314502.00181 Fr I - - 18d 2D5/2 32333.827 27d 2D5/2 32651.79
314560.37043 Fr I 750 - 11p 23/2 30241.6 12s 2S1/2 30559.504
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