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 800-8000 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
5541.26 La I 135 139 5d2.(1D).6s 2D5/2 9183.797 5d2.(3P).6p 23/2 27225.26
5544.91 La I 15 15 5d2.(3P).6s 2P3/2 9719.439 5d2.(3P).6p 21/2 27748.97
5565.44 La I 150 148 5d2.(3P).6s 4P5/2 7679.939 5d2.(3P).6p 43/2 25643
5565.72 La I 75 74 5d2.(3F).6s 4F5/2 3010.002 5d2.(3F).6p °5/2 16856.8
5566.94 La II 150 153 4f.5d y 34 19214.54 4f.(2F°7/2).6p1/2 (7/2,1/2)4 37172.79
5568.46 La I 315 315 5d2.(3F).6s 4F7/2 3494.526 5d2.(3F).6p °7/2 17910.17
5570.38 La I 40 40 5d.6s2 2D3/2 0 5d2.(3F).6p 45/2 17947.13
5588.34 La I 390 394 5d2.(3F).6s 4F7/2 3494.526 5d2.(3F).6p 49/2 21384
5631.22 La I 330 333 5d2.(3F).6s 4F5/2 3010.002 5d2.(3F).6p 47/2 20763.21
5632.03 La I 135 132 5d2.(3F).6s 2F5/2 7011.909 5d2.(3P).6p? 2D°?3/2 24762.6
5639.31 La I 90 88 5d2.(3P).6s 4P3/2 7490.521 5d2.(3P).6p °5/2 25218.27
5648.25 La I 795 791 5d2.(1G).6s 2G9/2 9919.821 5d2.(1G).6p 29/2 27619.54
5654.82 La I 30 30 5d2.(3P).6s 4P1/2 7231.407 4f.5d.(1D°).6s? °3/2 24910.38
5656.54 La I 20 21 5d2.(3P).6s 2P3/2 9719.439 5d2.(1D).6p °5/2 27393.04
5657.72 La I 420 415 5d2.(3F).6s 4F3/2 2668.188 5d2.(3F).6p 45/2 20338.25
5671.55 La II 840 831 4f.5d z 34 17825.62 4f.(2F°5/2).6p1/2 (5/2,1/2)3 35452.66
5696.19 La I 675 652 5d.6s2 2D5/2 1053.164 5d2.(3F).6p 47/2 18603.92
5699.39 La I 75 72 5d2.(3F).6s 4F9/2 4121.572 5d2.(3F).6p 27/2 21662.51
5700.22 La I 15 15 5d2.(3P).6s 4P5/2 7679.939 5d2.(3P).6p °5/2 25218.27
5703.2 La I 15 16 5d2.(3F).6s 4F3/2 2668.188 5d.6s.(1D).6p °1/2 20197.34
5703.33 La II 330 318 5d2 a 3P1 5718.12 4f.5d z 32 23246.93
5710.85 La I 50 48 5d2.(3P).6s 2P3/2 9719.439 5d2.(3P).6p 23/2 27225.26
5712.4 La II 765 741 5d2 2 1394.46 4f.5d z 12 18895.41
5714.02 La I 285 279 5d2.(3F).6s 2F5/2 7011.909 4f.5d.(3F°).6s 45/2 24507.87
5714.55 La I 70 66 5d2.(1G).6s 2G7/2 9960.904 4f.5d.(3G°).6s 47/2 27455.31
5720.02 La I 465 457 5d2.(3F).6s 4F7/2 3494.526 5d2.(3F).6p °5/2 16856.8
5727.29 La II 195 181 5d2 a 3P0 5249.7 4f.5d z 31 22705.15
5734.95 La I 150 144 5d2.(1G).6s 2G7/2 9960.904 5d2.(1D).6p °5/2 27393.04
5740.66 La I 705 683 5d2.(3F).6s 4F3/2 2668.188 5d2.(3F).6p 43/2 20082.98
5742.94 La I 30 31 5d2.(3P).6s 4P1/2 7231.407 5d2.(3P).6p 43/2 24639.26
5744.09 La III 2 2
5744.41 La I 495 471 5d2.(3P).6s 4P5/2 7679.939 5d2.(3P).6p 47/2 25083.36
5761.84 La I 300 287 5d2.(3F).6s 4F3/2 2668.188 5d.6s.(1D).6p °3/2 20018.99
5769.07 La II 255 236 5d.6s 2 10094.86 5d.6p °1 27423.91
5769.34 La I 285 273 5d2.(3F).6s 2F7/2 8052.162 4f.5d.(3F°).6s 47/2 25380.27
5769.99 La I 105 96 5d2.(3F).6s 4F9/2 4121.572 5d2.(3F).6p °7/2 17910.17
5778.14 La III 225 211
5789.24 La I 360 334 5d2.(3F).6s 4F7/2 3494.526 5d2.(3F).6p 47/2 20763.21
5791.34 La I 570 529 5d2.(3F).6s 4F9/2 4121.572 5d2.(3F).6p 49/2 21384
5797.58 La II 435 406 5d2 a 3F4 1970.7 4f.5d y 34 19214.54
5805.78 La II 435 399 5d2 a 3F3 1016.1 4f.5d y 33 18235.56
5808.06 La I 7 6 5d2.(1G).6s 2G9/2 9919.821 5d2.(1G).6p 27/2 27132.44
5808.32 La II 225 208 5d2 a 3F2 0 4f.5d y 32 17211.93
5813.45 La III 2 1
5821.99 La I 180 160 5d2.(1G).6s 2G7/2 9960.904 5d2.(1G).6p 27/2 27132.44
5823.83 La I 70 63 5d2.(3F).6s 2F7/2 8052.162 5d2.(3P).6p °5/2 25218.27
5827.56 La I 75 69 5d2.(1D).6s 2D5/2 9183.797 5d2.(3P).6p 45/2 26338.93
5829.72 La I 135 122 5d2.(3P).6s 4P3/2 7490.521 5d2.(3P).6p 43/2 24639.26
5839.79 La I 20 18 5d.6s2 2D5/2 1053.164 5d2.(3F).6p 23/2 18172.35
5845.03 La I 105 99 5d.6s2 2D5/2 1053.164 5d.6s.(3D).6p 45/2 18156.97
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