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
3618.19 Cs III 8 - 5s2.5p4.(1D2).6s 2[2]5/2 156698.493 5s2.5p4.(3P0).4f 2[3]°7/2 184328.767
3618.527 Cs II 8 - 5p5.(2P°1/2).6p 2[3/2]1 141564.873 5p5.(2P°1/2).6d 2[3/2]°1 169192.5805
3622.704 Cs III 8 - 5s2.5p4.(3P1).5d 2[2]3/2 140794.613 5s2.5p4.(3P2).6p 2[1]°3/2 168390.42
3624.4406 Cs III 5 - 5s2.5p4.(1D2).4f 2[5]°11/2 191550.995 5s2.5p4.(1D2).6d 2[4]9/2 219133.601
3630.688 Cs III 20 - 5s2.5p4.(1S0).6s 2[0]1/2 179561.464 5s2.5p4.(1S0).6p 2[1]°3/2 207096.599
3639.431 Cs II - - 5p5.(2P°1/2).6p 2[3/2]1 141564.873 5p5.(2P°3/2).5g 2[5/2]°2 169033.9021
3641.3431 Cs III 6 - 5s2.5p4.(3P1).6s 2[1]1/2 150467.268 5s2.5p4.(3P1).6p 2[1]°3/2 177921.836
3643.781 Cs III 25 - 5s2.5p4.(1D2).4f 2[5]°9/2 191424.921 5s2.5p4.(1D2).6d 2[4]7/2 218861.157
3651.0793 Cs III 5 - 5s2.5p4.(3P1).5d 2[1]1/2 133265.831 5s2.5p4.(3P2).6p 2[2]°3/2 160647.193
3655.426 Cs II 2 - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).4f 2[5/2]3 156769.1928
3655.5491 Cs II 5 - 5p5.(2P°3/2).6d 2[5/2]°3 153687.1457 5p5.(2P°3/2).9f 2[7/2]4 181035.005
3656.122 Cs II - - 5p5.(2P°3/2).6d 2[5/2]°3 153687.1457 5p5.(2P°3/2).9f 2[5/2]3 181030.767
3656.719 Cs III 50 - 5s2.5p4.(1D2).5d 2[1]3/2 160991.868 5s2.5p4.(1D2).6p 2[1]°1/2 188330.992
3661.404 Cs III 8 - 5s2.5p4.(3P2).6s 2[2]5/2 133343.034 5s2.5p4.(3P2).6p 2[2]°3/2 160647.193
3666.508 Cs II - - 5p5.(2P°3/2).7s 2[3/2]°2 149221.3163 5p5.(2P°3/2).7f 2[5/2]3 176487.509
3674.17 Cs II - - 5p5.(2P°3/2).6d 2[1/2]°1 152181.1184 5p5.(2P°3/2).8f 2[5/2]2 179390.434
3680.1096 Cs II 5 - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).4f 2[9/2]4 156585.745
3680.4699 Cs III 5 - 5s2.5p4.(3P1).6s 2[1]3/2 148575.86 5s2.5p4.(3P1).6p 2[2]°3/2 175738.571
3682.4865 Cs II 1 - 5p5.(2P°1/2).5d 2[3/2]°2 128320.1051 5p5.(2P°3/2).4f 2[3/2]1 155467.9346
3687.626 Cs II - - 5p5.(2P°3/2).6d 2[5/2]°3 153687.1457 5p5.(2P°1/2).5f 2[5/2]2 180797.145
3688.7143 Cs II - - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).7p 2[5/2]3 156522.3703
3694.7843 Cs II - - 5p5.(2P°3/2).6d 2[1/2]°0 151682.3953 5p5.(2P°3/2).8f 2[3/2]1 178739.8932
3699.494 Cs III 15 - 5s2.5p4.(1D2).6s 2[2]5/2 156698.493 5s2.5p4.(1D2).6p 2[3]°7/2 183721.523
3710.7865 Cs III 5 - 5s2.5p4.(1S0).5d 2[2]3/2 178362.472 5s2.5p4.(1S0).6p 2[1]°1/2 205303.279
3717.6684 Cs II - - 5p5.(2P°3/2).4f 2[3/2]1 155467.9346 5p5.(2P°3/2).10g 2[5/2]°2 182358.865
3724.7567 Cs II 5 - 5p5.(2P°1/2).5d 2[3/2]°1 139248.8879 5p5.(2P°3/2).5f 2[3/2]2 166088.6464
3729.9916 Cs III 5 - 5s2.5p4.(3P1).5d 2[1]3/2 136693.5 5s2.5p4.(3P2).6p 2[3]°5/2 163495.585
3730.238 Cs II - - 5p5.(2P°3/2).4f 2[9/2]5 156330.4943 5p5.(2P°3/2).11g 2[11/2]°6 183130.837
3732.331 Cs II - - 5p5.(2P°3/2).7p 2[5/2]2 156124.4521 5p5.(2P°3/2).13d 2[7/2]°3 182909.774
3732.5561 Cs II 5 - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).6d 2[5/2]°2 153311.2074
3734.357 Cs III 15 - 5s2.5p4.(1D2).6s 2[2]5/2 156698.493 5s2.5p4.(1D2).6p 2[1]°3/2 183469.263
3743.6823 Cs II - - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).7p 2[5/2]2 156124.4521
3747.7607 Cs II - - 5p5.(2P°3/2).6d 2[7/2]°4 152558.4033 5p5.(2P°3/2).8f 2[7/2]4 179233.4398
3751.4182 Cs III 5 - 5s2.5p4.(1D2).6s 2[2]3/2 156820.269 5s2.5p4.(1D2).6p 2[1]°3/2 183469.263
3751.8023 Cs II - - 5p5.(2P°3/2).7s 2[3/2]°1 149614.3781 5p5.(2P°3/2).7f 2[3/2]2 176260.6598
3759.3138 Cs II - - 5p5.(2P°3/2).6d 2[1/2]°1 152181.1184 5p5.(2P°3/2).8f 2[3/2]2 178774.162
3764.166 Cs II - - 5p5.(2P°3/2).6d 2[1/2]°1 152181.1184 5p5.(2P°3/2).8f 2[3/2]1 178739.8932
3764.802 Cs II 1 - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).4f 2[3/2]2 155974.6533
3766.079 Cs II - - 5p5.(2P°3/2).4f 2[9/2]4 156585.745 5p5.(2P°3/2).11g 2[11/2]°5 183131.01
3783.5159 Cs II - - 5p5.(2P°3/2).6d 2[7/2]°4 152558.4033 5p5.(2P°3/2).8f 2[9/2]4 178981.3633
3785.4378 Cs II 25 - 5p5.(2P°3/2).6p 2[3/2]1 129998.9106 5p5.(2P°3/2).6d 2[3/2]°1 156408.4367
3789.0082 Cs II - - 5p5.(2P°3/2).4f 2[3/2]2 155974.6533 5p5.(2P°3/2).10g 2[5/2]°3 182359.299
3789.482 Cs II - - 5p5.(2P°3/2).7p 2[5/2]3 156522.3703 5p5.(2P°3/2).13d 2[7/2]°4 182903.716
3790.6282 Cs II - - 5p5.(2P°3/2).6d 2[7/2]°4 152558.4033 5p5.(2P°3/2).8f 2[9/2]5 178931.7741
3797.9265 Cs III 5 - 5s2.5p4.(3P1).5d 2[2]5/2 142067.732 5s2.5p4.(3P2).6p 2[1]°3/2 168390.42
3799.4478 Cs II - - 5p5.(2P°3/2).7p 2[1/2]1 155758.1267 5p5.(2P°3/2).12d 2[3/2]°2 182070.263
3803.1536 Cs II - - 5p5.(2P°3/2).7p 2[1/2]1 155758.1267 5p5.(2P°3/2).12d 2[1/2]°1 182044.635
3805.125 Cs II 30 - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209
3817.4784 Cs III 20 - 5s2.5p4.(1D2).5d 2[3]5/2 150093.899 5s2.5p4.(3P1).6p 2[2]°5/2 176281.761
3817.858 Cs II - - 5p5.(2P°3/2).4f 2[5/2]3 156769.1928 5p5.(2P°1/2).5g 2[7/2]°4 182954.407
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