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
6520.168 Cs II - - 5p5.(2P°3/2).8p 2[3/2]2 168233.8565 5p5.(2P°3/2).14d 2[5/2]°3 183566.638
6524.495 Cs II - - 5p5.(2P°3/2).4f 2[5/2]2 157752.7176 5p5.(2P°3/2).8d 2[5/2]°2 173075.3506
6526.576 Cs II - - 5p5.(2P°3/2).6d 2[1/2]°1 152181.1184 5p5.(2P°3/2).8p 2[1/2]1 167498.8595
6532.305 Cs II - - 5p5.(2P°3/2).7d 2[5/2]°2 166696.0306 5p5.(2P°3/2).10f 2[7/2]3 182000.374
6536.4448 Cs II 20 6 5p5.(2P°3/2).5d 2[3/2]°2 112804.301 5p5.(2P°3/2).6p 2[5/2]2 128098.9117
6543.97 Cs III 90 26 5s2.5p4.(3P2).7p 2[3]°5/2 209714.989 5s2.5p4.(3P2).7d 2[3]7/2 224992.013
6548.078 Cs II - - 5p5.(2P°3/2).7d 2[5/2]°2 166696.0306 5p5.(2P°3/2).10f 2[5/2]3 181963.506
6552.361 Cs II - - 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209 5p5.(2P°3/2).8p 2[3/2]1 168057.861
6555.405 Cs II - - 5p5.(2P°3/2).5f 2[3/2]2 166088.6464 5p5.(2P°3/2).9g 2[7/2]°3 181339.03
6559.51 Cs III 10 3 5s2.5p4.(3P2).5f 2[2]°5/2 212679.469 5s2.5p4.(3P2).5g 2[2]3/2 227920.278
6561.0458 Cs II 2 1 5p5.(2P°3/2).7p 2[3/2]1 156822.8269 5p5.(2P°3/2).9s 2[3/2]°1 172060.0931
6563.308 Cs II - - 5p5.(2P°3/2).5f 2[3/2]2 166088.6464 5p5.(2P°3/2).9g 2[5/2]°3 181320.636
6569.174 Cs II - - 5p5.(2P°3/2).4f 2[5/2]2 157752.7176 5p5.(2P°3/2).8d 2[3/2]°2 172971.1321
6570.445 Cs II - - 5p5.(2P°3/2).4f 2[5/2]2 157752.7176 5p5.(2P°3/2).8d 2[7/2]°3 172968.1774
6574.069 Cs II - - 5p5.(2P°3/2).8p 2[5/2]2 167702.7101 5p5.(2P°3/2).13d 2[7/2]°3 182909.774
6574.515 Cs II - - 5p5.(2P°1/2).6d 2[5/2]°2 166140.2712 5p5.(2P°1/2).8p 2[3/2]1 181346.322
6575.509 Cs II - - 5p5.(2P°3/2).4f 2[5/2]3 156769.1928 5p5.(2P°3/2).9s 2[3/2]°2 171972.9175
6586.0216 Cs I 45 12 5p6.5d 2D3/2 14499.2568 5p6.8f 25/2 29678.7428
6586.5096 Cs I 675 168 5p6.6p 23/2 11732.3071041 5p6.9s 2S1/2 26910.6627
6595.363 Cs III 95 23 5s2.5p4.(3P2).7p 2[3]°7/2 209834.028 5s2.5p4.(3P2).7d 2[3]7/2 224992.013
6595.819 Cs III 20 5 5s2.5p4.(3P2).7p 2[2]°3/2 211655.671 5s2.5p4.(3P2).7d 2[0]1/2 226812.586
6598.802 Cs II - - 5p5.(2P°3/2).7p 2[3/2]1 156822.8269 5p5.(2P°3/2).9s 2[3/2]°2 171972.9175
6599.53 Cs II - - 5p5.(2P°3/2).7d 2[3/2]°1 166764.4149 5p5.(2P°1/2).8p 2[1/2]1 181912.829
6600.776 Cs III 60 14 5s2.5p4.(3P2).7p 2[2]°3/2 211655.671 5s2.5p4.(3P2).7d 2[3]5/2 226801.085
6601.833 Cs II - - 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209 5p5.(2P°3/2).8p 2[5/2]3 167943.5275
6606.939 Cs II - - 5p5.(2P°3/2).7d 2[3/2]°2 165899.3431 5p5.(2P°3/2).9f 2[5/2]3 181030.767
6620.8581 Cs II 15 4 5p5.(2P°3/2).5d 2[5/2]°2 115675.5328 5p5.(2P°3/2).6p 2[3/2]2 130775.1451
6624.435 Cs III 90 20 5s2.5p4.(3P2).5f 2[2]°5/2 212679.469 5s2.5p4.(3P2).5g 2[3]7/2 227770.928
6628.0075 Cs II 70 16 5p5.(2P°1/2).5d 2[3/2]°2 128320.1051 5p5.(2P°1/2).6p 2[3/2]2 143403.4304
6628.6576 Cs I 45 10 5p6.5d 2D5/2 14596.84232 5p6.8f 27/2 29678.6897
6638.249 Cs II - - 5p5.(2P°3/2).6d 2[7/2]°3 152845.2775 5p5.(2P°3/2).5f 2[5/2]2 167905.3418
6638.888 Cs III 25 5 5s2.5p4.(1D2).5d 2[2]5/2 162863.218 5s2.5p4.(3P1).6p 2[1]°3/2 177921.836
6646.5663 Cs II 20 4 5p5.(2P°1/2).5d 2[3/2]°2 128320.1051 5p5.(2P°1/2).6p 2[1/2]1 143361.3141
6648.458 Cs III 50 10 5s2.5p4.(3P2).5f 2[1]°3/2 212883.345 5s2.5p4.(3P2).5g 2[2]3/2 227920.278
6652.356 Cs II - - 5p5.(2P°3/2).5f 2[7/2]3 167349.9741 5p5.(2P°3/2).10g 2[9/2]°4 182378.046
6652.74 Cs III 8 2 5s2.5p4.(3P2).5f 2[1]°3/2 212883.345 5s2.5p4.(3P2).7d 2[1]3/2 227910.582
6655.079 Cs III 25 5 5s2.5p4.(3P2).7p 2[3]°5/2 209714.989 5s2.5p4.(3P2).8s 2[2]5/2 224736.976
6663.8645 Cs II 15 3 5p5.(2P°3/2).6d 2[7/2]°4 152558.4033 5p5.(2P°3/2).5f 2[7/2]4 167560.5683
6664.853 Cs II - - 5p5.(2P°1/2).6d 2[5/2]°3 167025.16 5p5.(2P°3/2).10f 2[7/2]4 182025.099
6665.742 Cs III 20 4 5s2.5p4.(3P2).7p 2[1]°1/2 210160.827 5s2.5p4.(3P2).8s 2[2]3/2 225158.748
6668.001 Cs II - - 5p5.(2P°1/2).6d 2[3/2]°2 166970.7032 5p5.(2P°3/2).10f 2[5/2]3 181963.506
6669.7766 Cs II 2 - 5p5.(2P°3/2).7p 2[3/2]2 157071.2245 5p5.(2P°3/2).9s 2[3/2]°1 172060.0931
6682.562 Cs II - - 5p5.(2P°3/2).8p 2[5/2]3 167943.5275 5p5.(2P°3/2).13d 2[7/2]°4 182903.716
6688.247 Cs III 25 4 5s2.5p4.(3P2).5f 2[2]°5/2 212679.469 5s2.5p4.(3P2).5g 2[4]7/2 227626.936
6690.631 Cs II - - 5p5.(2P°1/2).6d 2[3/2]°2 166970.7032 5p5.(2P°1/2).8p 2[1/2]1 181912.829
6699.3713 Cs II 1 - 5p5.(2P°3/2).6d 2[5/2]°2 153311.2074 5p5.(2P°3/2).8p 2[3/2]2 168233.8565
6700.688 Cs III 25 4 5s2.5p4.(3P1).6s 2[1]3/2 148575.86 5s2.5p4.(3P2).6p 2[3]°5/2 163495.585
6705.92 Cs II - - 5p5.(2P°3/2).7d 2[7/2]°3 166126.9208 5p5.(2P°3/2).9f 2[7/2]4 181035.005
6707.6859 Cs I - - 5p6.5d 2D3/2 14499.2568 5p6.11p 21/2 29403.4231
6708.245 Cs III 75 13 5s2.5p4.(3P2).7p 2[3]°7/2 209834.028 5s2.5p4.(3P2).8s 2[2]5/2 224736.976
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