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
2000.8871 Cs II - - 5p5.(2P°3/2).5d 2[3/2]°1 123645.5813 5p5.(2P°3/2).6f 2[5/2]2 173607.2305
2000.981 Cs II - - 5p5.(2P°3/2).5d 2[5/2]°3 118274.5796 5p5.(2P°3/2).8p 2[3/2]2 168233.8565
2002.9495 Cs III 6 - 5s2.5p4.(3P2).5d 2[2]5/2 120425.101 5s2.5p4.(3P2).4f 2[2]°3/2 170335.312
2003.339 Cs III - - 5s2.5p4.(3P1).5d 2[1]3/2 136693.5 5s2.5p4.(1D2).6p 2[2]°5/2 186593.999
2004.002 Cs II - - 5p5.(2P°3/2).6p 2[3/2]2 130775.1451 5p5.(2P°3/2).12s 2[3/2]°1 180659.11
2004.826 Cs II - - 5p5.(2P°3/2).6p 2[3/2]2 130775.1451 5p5.(2P°3/2).12s 2[3/2]°2 180638.664
2005.8297 Cs II - - 5p5.(2P°3/2).5d 2[1/2]°1 107914.1587 5p5.(2P°3/2).4f 2[5/2]2 157752.7176
2006.729 Cs III - - 5s2.5p4.(1D2).5d 2[2]5/2 162863.218 5s2.5p4.(3P2).5f 2[2]°5/2 212679.469
2006.857 Cs II - - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).8f 2[7/2]4 179233.4398
2007.89 Cs III - - 5s2.5p4.(3P2).6s 2[2]3/2 138543.477 5s2.5p4.(1D2).6p 2[1]°1/2 188330.992
2008.905 Cs III 6 - 5s2.5p4.(3P2).5d 2[1]3/2 131782.478 5s2.5p4.(1D2).6p 2[3]°5/2 181544.785
2009.237 Cs II - - 5p5.(2P°3/2).6p 2[5/2]3 129116.707 5p5.(2P°3/2).11s 2[3/2]°2 178870.78
2009.502 Cs II - - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).10s 2[3/2]°1 176274.9463
2010.274 Cs II - - 5p5.(2P°1/2).6s 2[1/2]°1 122875.4487 5p5.(2P°3/2).6f 2[3/2]2 172603.8539
2010.873 Cs III - - 5s2.5p4.(1D2).6p 2[1]°1/2 188330.992 5s2.5p4.(3P2).9s 2[2]3/2 238044.694
2011.5866 Cs II - - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).10s 2[3/2]°2 176223.4739
2012.637 Cs III - - 5s2.5p4.(3P1).4f 2[4]°7/2 191156.624 5s2.5p4.(3P1).5g 2[4]7/2 240826.462
2012.647 Cs II - - 5p5.(2P°3/2).6s 2[3/2]°2 107401.5602 5p5.(2P°3/2).7p 2[3/2]2 157071.2245
2017.064 Cs II - - 5p5.(2P°1/2).5d 2[5/2]°3 129420.3739 5p5.(2P°3/2).8f 2[9/2]4 178981.3633
2020.9176 Cs III 15 - 5s2.5p4.(3P1).5d 2[1]3/2 136693.5 5s2.5p4.(3P1).4f 2[2]°5/2 186160.02
2022.323 Cs III 2 - 5s2.5p4.(3P1).6s 2[1]3/2 148575.86 5s2.5p4.(3P1).4f 2[3]°5/2 198008.006
2022.435 Cs II - - 5p5.(2P°1/2).5d 2[5/2]°2 126697.9076 5p5.(2P°3/2).7f 2[3/2]1 176127.4328
2022.444 Cs III - - 5s2.5p4.(1D2).5d 2[3]7/2 153011.345 5s2.5p4.(1D2).4f 2[3]°5/2 202440.47
2022.771 Cs II - - 5p5.(2P°3/2).6s 2[3/2]°2 107401.5602 5p5.(2P°3/2).7p 2[3/2]1 156822.8269
2023.077 Cs III - - 5s2.5p4.(3P1).4f 2[4]°7/2 191156.624 5s2.5p4.(3P1).5g 2[5]9/2 240570.325
2023.16 Cs III 2 - 5s2.5p4.(3P1).6p 2[1]°1/2 178508.625 5s2.5p4.(3P2).5g 2[2]3/2 227920.278
2023.559 Cs III - - 5s2.5p4.(3P1).6p 2[1]°1/2 178508.625 5s2.5p4.(3P2).7d 2[1]3/2 227910.582
2024.9661 Cs II 6 - 5p5.(2P°3/2).6s 2[3/2]°2 107401.5602 5p5.(2P°3/2).4f 2[5/2]3 156769.1928
2027.077 Cs II - - 5p5.(2P°3/2).6p 2[3/2]2 130775.1451 5p5.(2P°1/2).7d 2[3/2]°2 180091.442
2027.518 Cs II - - 5p5.(2P°3/2).6p 2[3/2]1 129998.9106 5p5.(2P°3/2).10d 2[5/2]°2 179304.391
2028.3218 Cs II 4 - 5p5.(2P°3/2).5d 2[5/2]°3 118274.5796 5p5.(2P°3/2).5f 2[7/2]4 167560.5683
2028.9939 Cs III 15 - 5s2.5p4.(3P2).5d 2[2]3/2 121065.66 5s2.5p4.(3P2).4f 2[2]°3/2 170335.312
2029.779 Cs II - - 5p5.(2P°3/2).5d 2[1/2]°0 107572.061 5p5.(2P°3/2).7p 2[3/2]1 156822.8269
2029.867 Cs III 8 - 5s2.5p4.(3P1).5d 2[3]5/2 135081.058 5s2.5p4.(3P0).4f 2[3]°5/2 184329.523
2029.8974 Cs III 20 - 5s2.5p4.(3P1).5d 2[3]5/2 135081.058 5s2.5p4.(3P0).4f 2[3]°7/2 184328.767
2030.0129 Cs III 7 - 5s2.5p4.(1D2).5d 2[3]5/2 150093.899 5s2.5p4.(1D2).4f 2[4]°7/2 199338.813
2030.2393 Cs III 6 - 5s2.5p4.(3P1).5d 2[1]1/2 133265.831 5s2.5p4.(3P1).4f 2[2]°3/2 182505.26
2033.641 Cs II - - 5p5.(2P°3/2).5d 2[1/2]°1 107914.1587 5p5.(2P°3/2).7p 2[3/2]2 157071.2245
2033.701 Cs III 2 - 5s2.5p4.(3P2).4f 2[1]°3/2 178764.633 5s2.5p4.(3P2).5g 2[2]3/2 227920.278
2034.099 Cs III - - 5s2.5p4.(3P2).4f 2[1]°3/2 178764.633 5s2.5p4.(3P2).7d 2[1]3/2 227910.582
2035.11 Cs III 330 - 5s2.5p4.(3P2).5d 2[4]9/2 125926.848 5s2.5p4.(3P2).4f 2[5]°11/2 175048.447
2035.1412 Cs II - - 5p5.(2P°3/2).6s 2[3/2]°2 107401.5602 5p5.(2P°3/2).7p 2[5/2]3 156522.3703
2036.036 Cs III - - 5s2.5p4.(3P2).4f 2[5]°9/2 176394.478 5s2.5p4.(3P2).7d 2[4]7/2 225493.754
2036.468 Cs III 2 - 5s2.5p4.(3P1).5d 2[2]5/2 142067.732 5s2.5p4.(3P1).4f 2[4]°7/2 191156.624
2037.027 Cs II - - 5p5.(2P°3/2).5d 2[5/2]°3 118274.5796 5p5.(2P°3/2).5f 2[7/2]3 167349.9741
2041.5262 Cs III 2 - 5s2.5p4.(3P2).5d 2[1]1/2 122346.271 5s2.5p4.(3P0).6p 2[1]°1/2 171313.524
2041.9007 Cs II - - 5p5.(2P°3/2).5d 2[3/2]°1 123645.5813 5p5.(2P°3/2).6f 2[3/2]2 172603.8539
2043.335 Cs III - - 5s2.5p4.(3P2).4f 2[5]°9/2 176394.478 5s2.5p4.(3P2).7d 2[4]9/2 225318.454
2043.806 Cs II - - 5p5.(2P°3/2).6p 2[3/2]1 129998.9106 5p5.(2P°3/2).11s 2[3/2]°1 178911.554
2043.97 Cs II - - 5p5.(2P°3/2).5d 2[1/2]°1 107914.1587 5p5.(2P°3/2).7p 2[3/2]1 156822.8269
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