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
2062. Ac IV 9 -
2064.28 Ac II 2500 -
2100. Ac II 5 -
2102.24 Ac II 585 -
2261.749 Ac II 1000 - 7s2 a 1S0 0 6d.7p y 11 44199.919
2307.5 Ac II 720 -
2316.06 Ac II 240 -
2344.871 Ac II 255 - 6d.7s a 3D3 7426.493 5f.6d y 33 50059.68
2501.391 Ac II 105 - 6d.7s a 3D1 4739.632 5f.6d y 12 44705.294
2502.12 Ac IV 15 -
2534.851 Ac II 135 - 6d.7s a 3D2 5267.148 5f.6d y 12 44705.294
2558.08 Ac IV 45 -
2626.44 Ac III 450 - 6p6.7s 2S1/2 0 6p6.7p 23/2 38063.03
2630.192 Ac II 1000 - 6d.7s a 3D2 5267.148 5f.6d x 33 43275.798
2657.809 Ac II 1500 - 6d.7s a 3D3 7426.493 5f.6d x 34 45040.26
2682.9 Ac III 25 - 6p6.6d 2D3/2 800.99 6p6.7p 23/2 38063.03
2705.609 Ac II 85 - 6d2 a 3P2 19202.966 5f.6d x 11 56152.16
2712.5 Ac 9 -
2712.502 Ac II 675 - 7s2 a 1S0 0 6d.7p y 31 36855.483
2713.718 Ac II 495 - 6d.7s a 3D1 4739.632 5f.6d x 32 41578.56
2726.23 Ac 5 -
2726.232 Ac II 540 - 6d.7s a 3D2 5267.148 6d.7p y 13 41937.022
2729.74 Ac II 225 -
2753.15 Ac II 165 - 6d.7s a 3D2 5267.148 5f.6d x 32 41578.56
2758.369 Ac II 65 - 6d2 a 3F2 13236.422 5f.6d y 32 49479.04
2760.18 Ac II 5 -
2781.56 Ac II 5 -
2788.64 Ac II 70 - 6d.7s a 3D3 7426.493 5f.6d x 33 43275.798
2790.83 Ac IV 5 -
2793.9 Ac IV 25 -
2797.59 Ac II 9 -
2798.05 Ac II 65 -
2806.759 Ac II 540 - 6d.7s a 1D2 9087.52 5f.6d y 12 44705.294
2806.76 Ac 9 -
2826.27 Ac II 65 -
2831.56 Ac II 75 -
2833.47 Ac 5 -
2833.472 Ac II 195 - 6d2 a 3F2 13236.422 5f.6d y 31 48518.33
2847.16 Ac II 70 - 6d.7s a 1D2 9087.52 6d.7p y 11 44199.919
2856.73 Ac II 150 -
2864.11 Ac II 45 -
2895.2 Ac II 5 - 6d2 a 3F3 14949.177 5f.6d y 32 49479.04
2896.82 Ac II 15 - 6d.7s a 3D3 7426.493 6d.7p y 13 41937.022
2905.81 Ac II 60 -
2923.019 Ac II 780 - 6d.7s a 3D3 7426.493 5f.6d z 14 41627.78
2923.02 Ac 15 -
2924.121 Ac II 165 - 6d.7s a 1D2 9087.52 5f.6d x 33 43275.798
2931.46 Ac II 150 -
2935.8 Ac II 55 - 6d2 a 3P2 19202.966 5f.6d x 13 53255.26
2944.421 Ac II 50 - 6d2 b 1D2 22199.432 5f.6d x 11 56152.16
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