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
31223.752 Cs I - - 5p6.6d 2D3/2 22588.821 5p6.8p 23/2 25791.508
31503.677 Cs II - - 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209 5p5.(2P°3/2).4f 2[3/2]2 155974.6533
31647.326 Cs I - - 5p6.6d 2D5/2 22631.6863 5p6.8p 23/2 25791.508
31747.446 Cs II - - 5p5.(2P°3/2).7d 2[5/2]°2 166696.0306 5p5.(2P°1/2).7p 2[3/2]1 169845.8911
32051.125 Cs I - - 5p6.6d 2D3/2 22588.821 5p6.8p 21/2 25708.83548
32052.872 Cs I - - 5p6.8p 21/2 25708.83548 5p6.9d 2D3/2 28828.682
32842.28 Cs II - - 5p5.(2P°3/2).8s 2[3/2]°2 164454.0039 5p5.(2P°3/2).8p 2[1/2]1 167498.8595
32848.441 Cs I - - 5p6.8p 23/2 25791.508 5p6.9d 2D5/2 28835.79192
32925.387 Cs I - - 5p6.8p 23/2 25791.508 5p6.9d 2D3/2 28828.682
32931.167 Cs II - - 5p5.(2P°3/2).8s 2[3/2]°1 164666.073 5p5.(2P°3/2).8p 2[5/2]2 167702.7101
33809.99 Cs II - - 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209 5p5.(2P°3/2).7p 2[1/2]1 155758.1267
34909.65 Cs I 15 - 5p6.6p 23/2 11732.3071041 5p6.5d 2D5/2 14596.84232
35270.574 Cs II - - 5p5.(2P°3/2).6d 2[5/2]°3 153687.1457 5p5.(2P°3/2).7p 2[5/2]3 156522.3703
35546.15 Cs II - - 5p5.(2P°3/2).6d 2[5/2]°2 153311.2074 5p5.(2P°3/2).7p 2[5/2]2 156124.4521
36140.854 Cs I 2 - 5p6.6p 23/2 11732.3071041 5p6.5d 2D3/2 14499.2568
39187.97 Cs I - - 5p6.7p 21/2 21765.348 5p6.8s 2S1/2 24317.1494
39432.001 Cs I - - 5p6.4f 27/2 24472.0455 5p6.5g 2G7/2 27008.0541
39434.864 Cs I - - 5p6.4f 25/2 24472.2269 5p6.5g 2G7/2 27008.0541
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