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
2577.6 He I - - 2s.2p 30,1,2 470310 2p.3p 3D1,2,3 509094
2677.135 He I - - 1s.2s 3S1 159855.9743297 1s.10p 32 197198.3327222
2696.119 He I - - 1s.2s 3S1 159855.9743297 1s.9p 32 196935.3314182
2723.191 He I - - 1s.2s 3S1 159855.9743297 1s.8p 32 196566.711822
2763.80158 He I - - 1s.2s 3S1 159855.9743297 1s.7p 30 196027.3364649
2763.80309 He I - - 1s.2s 3S1 159855.9743297 1s.7p 31 196027.3166408
2763.80322 He I - - 1s.2s 3S1 159855.9743297 1s.7p 32 196027.3150267
2818.2 He I - - 2p2 3P0,1,2 481301.5 2p.3d 30,1,2 516775
2829.07841 He I - - 1s.2s 3S1 159855.9743297 1s.6p 30 195192.7772813
2829.08095 He I - - 1s.2s 3S1 159855.9743297 1s.6p 31 195192.745559
2829.08115 He I - - 1s.2s 3S1 159855.9743297 1s.6p 32 195192.7429742
2945.106 He I - - 1s.2s 3S1 159855.9743297 1s.5p 32 193800.707595
3013.7 He I - - 2p2 3P0,1,2 481301.5 2p.3d 31,2,3 514473.5
3187.745 He I - - 1s.2s 3S1 159855.9743297 1s.4p 32 191217.040967
3258.275 He I - - 1s.2s 1S0 166277.440141 1s.9p 11 196959.692816
3354.55509 He I - - 1s.2s 1S0 166277.440141 1s.7p 11 196079.0875698
3447.58902 He I - - 1s.2s 1S0 166277.440141 1s.6p 11 195274.908466
3554.415 He I - - 1s.2p 31 169086.8428979 1s.10d 3D2 197212.82594494
3587.27 He I 10 - 1s.2p 31 169086.8428979 1s.9d 3D2 196955.22664143
3613.643 He I 35 - 1s.2s 1S0 166277.440141 1s.5p 11 193942.462294
3634.23076 He I - - 1s.2p 32 169086.7664725 1s.8d 3D1 196595.06466814
3634.23107 He I - - 1s.2p 32 169086.7664725 1s.8d 3D2 196595.06236505
3634.23109 He I 20 - 1s.2p 32 169086.7664725 1s.8d 3D3 196595.06220247
3634.24086 He I - - 1s.2p 31 169086.8428979 1s.8d 3D1 196595.06466814
3634.24116 He I 3 - 1s.2p 31 169086.8428979 1s.8d 3D2 196595.06236505
3651.99 He I 10 - 1s.2p 31 169086.8428979 1s.8s 3S1 196461.3618105
3705.005 He I 45 - 1s.2p 31 169086.8428979 1s.7d 3D2 196069.67304998
3732.86347 He I 15 - 1s.2p 32 169086.7664725 1s.7s 3S1 195868.236975
3732.87412 He I 5 - 1s.2p 31 169086.8428979 1s.7s 3S1 195868.236975
3819.6074 He I 75 - 1s.2p 31 169086.8428979 1s.6d 3D2 195260.07173649
3819.7573 He I 6 - 1s.2p 30 169087.8308131 1s.6d 3D1 195260.07720298
3867.47234 He I 20 - 1s.2p 32 169086.7664725 1s.6s 3S1 194936.119697
3867.48377 He I - - 1s.2p 31 169086.8428979 1s.6s 3S1 194936.119697
3867.63159 He I 6 - 1s.2p 30 169087.8308131 1s.6s 3S1 194936.119697
3871.791 He I 8 - 1s.2p 11 171134.896946 1s.9d 1D2 196955.44875025
3888.648 He I 2000 5 1s.2s 3S1 159855.9743297 1s.3p 32 185564.56192
3926.54437 He I 10 - 1s.2p 11 171134.896946 1s.8d 1D2 196595.37405237
3964.7291 He I 75 - 1s.2s 1S0 166277.440141 1s.4p 11 191492.711909
4009.2565 He I 15 - 1s.2p 11 171134.896946 1s.7d 1D2 196070.12838342
4023.973 He I 7 - 1s.2p 11 171134.896946 1s.7s 1S0 195978.895183
4026.1914 He I 105 2 1s.2p 31 169086.8428979 1s.5d 3D2 193917.15192855
4026.35695 He I 7 - 1s.2p 30 169087.8308131 1s.5d 3D1 193917.1613871
4120.8154 He I 35 3 1s.2p 31 169086.8428979 1s.5s 3S1 193346.991344
4120.99156 He I 7 1 1s.2p 30 169087.8308131 1s.5s 3S1 193346.991344
4143.761 He I 20 2 1s.2p 11 171134.896946 1s.6d 1D2 195260.77050808
4168.967 He I 8 2 1s.2p 11 171134.896946 1s.6s 1S0 195114.8687
4387.9296 He I 360 172 1s.2p 11 171134.896946 1s.5d 1D2 193918.28990114
4437.551 He I 225 110 1s.2p 11 171134.896946 1s.5s 1S0 193663.512095
4471.4802 He I 705 341 1s.2p 31 169086.8428979 1s.4d 3D2 191444.4821307
4471.68324 He I 50 24 1s.2p 30 169087.8308131 1s.4d 3D1 191444.5006512
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