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
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
4713.1457 He I 55 34 1s.2p 31 169086.8428979 1s.4s 3S1 190298.11326
4713.37567 He I 10 6 1s.2p 30 169087.8308131 1s.4s 3S1 190298.11326
4921.9313 He I 240 178 1s.2p 11 171134.896946 1s.4d 1D2 191446.4557405
5015.6783 He I 345 273 1s.2s 1S0 166277.440141 1s.3p 11 186209.36494
5047.738 He I 60 51 1s.2p 11 171134.896946 1s.4s 1S0 190940.226355
5875.621 He I 2000 1711 1s.2p 31 169086.8428979 1s.3d 3D2 186101.5486891
5875.96626 He I 20 17 1s.2p 30 169087.8308131 1s.3d 3D1 186101.5928903
6678.151 He I 870 162 1s.2p 11 171134.896946 1s.3d 1D2 186104.9666893
7065.19 He I 1000 45 1s.2p 31 169086.8428979 1s.3s 3S1 183236.7917
7065.71 He I 165 6 1s.2p 30 169087.8308131 1s.3s 3S1 183236.7917
7281.349 He I 70 1 1s.2p 11 171134.896946 1s.3s 1S0 184864.82932
7816.12468 He I 30 - 1s.3s 3S1 183236.7917 1s.7p 30 196027.3364649
7816.1368 He I 30 - 1s.3s 3S1 183236.7917 1s.7p 31 196027.3166408
7816.13778 He I 30 - 1s.3s 3S1 183236.7917 1s.7p 32 196027.3150267
8361.71342 He I 25 - 1s.3s 3S1 183236.7917 1s.6p 30 195192.7772813
8361.73561 He I 25 - 1s.3s 3S1 183236.7917 1s.6p 31 195192.745559
8361.73742 He I 25 - 1s.3s 3S1 183236.7917 1s.6p 32 195192.7429742
9063.28213 He I 8 - 1s.3p 32 185564.56192 1s.8d 3D1 196595.06466814
9063.28402 He I 8 - 1s.3p 32 185564.56192 1s.8d 3D2 196595.06236505
9063.28416 He I 8 - 1s.3p 32 185564.56192 1s.8d 3D3 196595.06220247
9063.30019 He I 8 - 1s.3p 31 185564.583895 1s.8d 3D1 196595.06466814
9063.30208 He I 8 - 1s.3p 31 185564.583895 1s.8d 3D2 196595.06236505
9210.337 He I 5 - 1s.3d 3D1 186101.5928903 1s.9f 32 196955.94618477
9463.53679 He I 6 - 1s.3s 3S1 183236.7917 1s.5p 30 193800.767563
9463.58646 He I 6 - 1s.3s 3S1 183236.7917 1s.5p 31 193800.712118
9463.59051 He I 6 - 1s.3s 3S1 183236.7917 1s.5p 32 193800.707595
9516.56219 He I 2 - 1s.3p 32 185564.56192 1s.7d 3D1 196069.67648966
9516.56531 He I 2 - 1s.3p 32 185564.56192 1s.7d 3D2 196069.67304998
9516.56552 He I 2 - 1s.3p 32 185564.56192 1s.7d 3D3 196069.67280898
9516.5821 He I 2 - 1s.3p 31 185564.583895 1s.7d 3D1 196069.67648966
9516.58521 He I 2 - 1s.3p 31 185564.583895 1s.7d 3D2 196069.67304998
9516.82728 He I - - 1s.3p 30 185564.85454 1s.7d 3D1 196069.67648966
9526.17 He I 2 - 1s.3d 3D1 186101.5928903 1s.8f 32 196596.08044209
9529.27 He I - - 1s.3d 1D2 186104.9666893 1s.8f 13 196596.0820926
9603.44084 He I - - 1s.3s 1S0 184864.82932 1s.6p 11 195274.908466
9702.61408 He I 4 - 1s.3p 32 185564.56192 1s.7s 3S1 195868.236975
9702.63477 He I 4 - 1s.3p 31 185564.583895 1s.7s 3S1 195868.236975
10027.73 He I 4 - 1s.3d 3D1 186101.5928903 1s.7f 32 196071.17872998
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