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
2428.64 Ce III 375 -
2430.24 Ce III 630 -
2431.45 Ce III 1500 -
2433.5 Ce IV - -
2439.8 Ce III 2000 -
2441.55 Ce III 375 -
2444.78 Ce III 255 -
2445.5 Ce IV - -
2454.32 Ce III 1500 -
2462.97 Ce II 15 - 4f.(2F°).6s2 25/2 9778.986 4f.6s.(3F°).6p 7/2 50368.336
2469.95 Ce III 1500 -
2471.66 Ce III 375 -
2477.25 Ce III 630 -
2479.44 Ce III 1000 -
2479.51 Ce III 375 -
2483.82 Ce III 1500 -
2497.5 Ce III 1000 -
2503.56 Ce III 375 -
2504.43 Ce III 255 -
2518.51 Ce II 15 - 4f.(2F°).5d2.(3F) 29/2 12365.806 4f.6s.(3F°).6p 2G9/2 52058.587
2531.99 Ce III 2500 -
2539.27 Ce III 375 -
2548.68 Ce II 25 - 4f.(2F°).5d2.(3P) 47/2 11340.598 5d.(2D).6s2? 5/2 50564.294
2557.49 Ce III 375 -
2577.67 Ce III 495 -
2578.3 Ce III 240 -
2584.71 Ce III 240 -
2603.59 Ce III 1000 -
2607.96 Ce III 240 -
2615.79 Ce III 240 -
2649.38 Ce III 240 -
2651.01 Ce II 40 - 4f.(2F°).6s2 25/2 9778.986 5d2.(1G).6s 2G7/2 47489.28
2662.81 Ce III 240 -
2706.88 Ce II 15 - 4f.5d.(3G°).6s °7/2 4266.397 5d2.(3F).6s 2F5/2 41198.309
2719.3 Ce III 360 -
2723.38 Ce II 15 - 4f.5d.(3G°).6s °7/2 4266.397 5d3 2F7/2 48657.336
2730.04 Ce III 240 -
2741.96 Ce II 15 - 4f.(2F°).5d2.(3P) 43/2 11007.799 5d2.(1D).6s 5/2 47466.445
2743.71 Ce III 360 -
2748.9 Ce III 480 -
2750.89 Ce II 10 - 4f.5d.(3H°).6s 411/2 5651.357 4f.5d.(1H°).6p 2I13/2 41992.356
2754.87 Ce III 480 -
2761.42 Ce II 20 - 4f.(2F°).5d2.(3F) 47/2 0 4f.6s.(3F°).6p 4G9/2 36202.557
2768.28 Ce III 480 -
2784.27 Ce II 15 - 4f.5d.(3D°).6s 45/2 8175.863 5d2.(3P).6s 4P3/2 44081.375
2785.35 Ce II 10 - 4f.(2F°).6s2 °7/2 12260.088 5d2.(1G).6s 2G9/2 48151.739
2790.53 Ce II 10 - 4f.5d.(3D°).6s 43/2 7818.147 5d2.(3P).6s 4P1/2 43643.23
2791.42 Ce II 15 - 4f2.(3H).5d 4G7/2 9316.912 4f3 45/2 45130.529
2830.9 Ce II 30 - 4f.5d.(3F°).6s °7/2 7259.075 5d2.(3F).6s 2F7/2 42573.191
2833.31 Ce II 10 - 4f2.(3H).5d 4G9/2 10314.162 4f3 47/2 45598.301
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