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
21543.792 Cs II 3 - 5p5.(2P°3/2).6d 2[1/2]°1 152181.1184 5p5.(2P°3/2).7p 2[3/2]1 156822.8269
21698.627 Cs II 8 - 5p5.(2P°3/2).6d 2[7/2]°3 152845.2775 5p5.(2P°3/2).4f 2[7/2]3 157453.8634
21743.359 Cs II 2 - 5p5.(2P°3/2).8p 2[3/2]2 168233.8565 5p5.(2P°3/2).8d 2[1/2]°1 172832.9628
21773.296 Cs II 5 - 5p5.(2P°3/2).7d 2[3/2]°2 165899.3431 5p5.(2P°1/2).7p 2[1/2]1 170492.1254
21839.699 Cs II 1 - 5p5.(2P°3/2).7d 2[3/2]°2 165899.3431 5p5.(2P°1/2).7p 2[3/2]2 170478.161
21923.89 Cs II - - 5p5.(2P°3/2).8p 2[1/2]1 167498.8595 5p5.(2P°3/2).9s 2[3/2]°1 172060.0931
22009.454 Cs II 2 - 5p5.(2P°3/2).6f 2[7/2]3 173253.7425 5p5.(2P°3/2).7g 2[9/2]°4 177797.2403
22156.446 Cs II - - 5p5.(2P°1/2).7s 2[1/2]°1 163189.3511 5p5.(2P°3/2).8p 2[5/2]2 167702.7101
22351.073 Cs II 10 - 5p5.(2P°3/2).8p 2[1/2]1 167498.8595 5p5.(2P°3/2).9s 2[3/2]°2 171972.9175
22397.186 Cs II - - 5p5.(2P°1/2).7s 2[1/2]°0 163034.0137 5p5.(2P°3/2).8p 2[1/2]1 167498.8595
22410.54 Cs II - - 5p5.(2P°3/2).5g 2[7/2]°3 169145.0474 5p5.(2P°3/2).6f 2[5/2]2 173607.2305
22455.107 Cs II 10 - 5p5.(2P°3/2).5d 2[3/2]°1 123645.5813 5p5.(2P°3/2).6p 2[5/2]2 128098.9117
22514.864 Cs II 8 - 5p5.(2P°3/2).6d 2[5/2]°2 153311.2074 5p5.(2P°3/2).4f 2[5/2]2 157752.7176
22567.839 Cs II 3 - 5p5.(2P°3/2).6f 2[7/2]4 173366.2459 5p5.(2P°3/2).7g 2[9/2]°5 177797.3274
22651.842 Cs II 6 - 5p5.(2P°1/2).6d 2[3/2]°1 169192.5805 5p5.(2P°3/2).6f 2[5/2]2 173607.2305
22818.081 Cs I 10 - 5p6.6d 2D3/2 22588.821 5p6.5f 25/2 26971.303
22916.06 Cs I - - 5p6.4f 27/2 24472.0455 5p6.9d 2D5/2 28835.79192
22949.552 Cs II 8 - 5p5.(2P°3/2).8p 2[5/2]2 167702.7101 5p5.(2P°3/2).9s 2[3/2]°1 172060.0931
22954.446 Cs I - - 5p6.4f 25/2 24472.2269 5p6.9d 2D3/2 28828.682
22978.708 Cs II - - 5p5.(2P°1/2).6d 2[5/2]°2 166140.2712 5p5.(2P°1/2).7p 2[1/2]1 170492.1254
22981.953 Cs II 2 - 5p5.(2P°3/2).7d 2[7/2]°3 166126.9208 5p5.(2P°1/2).7p 2[3/2]2 170478.161
23043.465 Cs I - - 5p6.6d 2D5/2 22631.6863 5p6.5f 25/2 26971.303
23044.271 Cs I 15 - 5p6.6d 2D5/2 22631.6863 5p6.5f 27/2 26971.1535
23052.678 Cs II 3 - 5p5.(2P°1/2).6d 2[5/2]°2 166140.2712 5p5.(2P°1/2).7p 2[3/2]2 170478.161
23204.501 Cs II - - 5p5.(2P°1/2).7s 2[1/2]°1 163189.3511 5p5.(2P°3/2).8p 2[1/2]1 167498.8595
23255.515 Cs II 2 - 5p5.(2P°1/2).6d 2[5/2]°2 166140.2712 5p5.(2P°1/2).4f 2[7/2]3 170440.3246
23350.837 Cs I 50 - 5p6.7p 21/2 21765.348 5p6.7d 2D3/2 26047.8342
23414.796 Cs II 40 - 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209 5p5.(2P°3/2).7p 2[3/2]2 157071.2245
23418.06 Cs II 3 - 5p5.(2P°3/2).8p 2[5/2]2 167702.7101 5p5.(2P°3/2).9s 2[3/2]°2 171972.9175
23663.335 Cs II - - 5p5.(2P°3/2).6d 2[7/2]°3 152845.2775 5p5.(2P°3/2).7p 2[3/2]2 157071.2245
23748.519 Cs II 1 - 5p5.(2P°3/2).6d 2[7/2]°4 152558.4033 5p5.(2P°3/2).4f 2[5/2]3 156769.1928
23756.535 Cs II 1 - 5p5.(2P°3/2).7d 2[3/2]°1 166764.4149 5p5.(2P°1/2).4f 2[5/2]2 170973.7833
23841.34 Cs II 5 - 5p5.(2P°1/2).4f 2[5/2]3 170337.0537 5p5.(2P°3/2).6g 2[7/2]°4 174531.4483
23880.48 Cs I - - 5p6.8p 21/2 25708.83548 5p6.11d 2D3/2 29896.3399
23919.73 Cs II 2 - 5p5.(2P°3/2).5g 2[9/2]°5 169185.5968 5p5.(2P°3/2).6f 2[7/2]4 173366.2459
23949.523 Cs II 1 - 5p5.(2P°3/2).6f 2[5/2]2 173607.2305 5p5.(2P°3/2).7g 2[7/2]°3 177782.6761
24080.62 Cs II - - 5p5.(2P°1/2).6s 2[1/2]°0 122374.8156 5p5.(2P°3/2).6p 2[1/2]1 126527.5324
24139.102 Cs II 25 - 5p5.(2P°3/2).6d 2[5/2]°2 153311.2074 5p5.(2P°3/2).4f 2[7/2]3 157453.8634
24257.831 Cs I 55 - 5p6.7p 23/2 21946.397 5p6.7d 2D5/2 26068.773
24346.511 Cs II 1 - 5p5.(2P°3/2).7d 2[3/2]°1 166764.4149 5p5.(2P°1/2).7p 2[1/2]0 170871.7798
24381.609 Cs I 10 - 5p6.7p 23/2 21946.397 5p6.7d 2D3/2 26047.8342
24535.475 Cs II 15 - 5p5.(2P°3/2).6d 2[1/2]°0 151682.3953 5p5.(2P°3/2).7p 2[1/2]1 155758.1267
24580.548 Cs II 2 - 5p5.(2P°3/2).5g 2[9/2]°4 169185.4867 5p5.(2P°3/2).6f 2[7/2]3 173253.7425
24584.665 Cs II 2 - 5p5.(2P°3/2).5f 2[5/2]2 167905.3418 5p5.(2P°3/2).9s 2[3/2]°2 171972.9175
24596.789 Cs II 2 - 5p5.(2P°3/2).6d 2[5/2]°3 153687.1457 5p5.(2P°3/2).4f 2[5/2]2 157752.7176
24817.661 Cs II 20 - 5p5.(2P°3/2).8p 2[5/2]3 167943.5275 5p5.(2P°3/2).9s 2[3/2]°2 171972.9175
24830.276 Cs II 2 - 5p5.(2P°3/2).6d 2[7/2]°4 152558.4033 5p5.(2P°3/2).4f 2[9/2]4 156585.745
24860.745 Cs II 8 - 5p5.(2P°3/2).6d 2[3/2]°2 152800.4209 5p5.(2P°3/2).7p 2[3/2]1 156822.8269
24980.764 Cs II 2 - 5p5.(2P°1/2).6d 2[3/2]°2 166970.7032 5p5.(2P°1/2).4f 2[5/2]2 170973.7833
24986.052 Cs II 7 - 5p5.(2P°3/2).8p 2[3/2]1 168057.861 5p5.(2P°3/2).9s 2[3/2]°1 172060.0931
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