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
4811.061 Ac II 50 33 6d2 a 1G4 20848.202 5f.6d z 14 41627.78
4812.22 Ac 285 187
4812.221 Ac II 2500 1736 6d.7s a 3D3 7426.493 7s.7p z 32 28201.119
4825.88 Ac I 85 58
4855.68 Ac I 180 126 6d2.(3F).7s a 4F7/2 10906.027 6d2.(3P).7p 25/2 31494.679
4860.16 Ac I 915 630 6d.7s2 a 2D5/2 2231.432 6d.7s.(3D).7p 45/2 22801.11
4868.87 Ac I 105 76 6d2.(3F).7s a 4F5/2 9863.588 6d2.(3F).7p 43/2 30396.57
4889.105 Ac II 285 207 6d2 a 3F3 14949.177 6d.7p 32 35397.116
4945.18 Ac II 150 113 6d2 a 3F4 16756.852 6d.7p 33 36972.914
4958.23 Ac II 150 116 6d.7s a 1D2 9087.52 6d.7p z 11 29250.371
4960.87 Ac II 150 116 6d2 a 3F2 13236.422 6d.7p z 31 33388.558
4963.48 Ac I 45 34 6d2.(3F).7s a 4F9/2 12078.062 6d2.(3F).7p 47/2 32219.62
4981.551 Ac II 70 53 6d2 a 3F2 13236.422 6d.7p z 32 33304.94
5061.56 Ac I 35 27
5064.65 Ac I 30 25
5065.07 Ac II 25 22 6d2 b 1D2 22199.432 6d.7p y 13 41937.022
5105.83 Ac I 195 160
5156.531 Ac II 225 194 6d2 a 3F4 16756.852 6d.7p z 33 36144.296
5164.83 Ac II 25 21 6d2 a 3P1 19015.288 6d.7p y 32 38371.617
5193.21 Ac 5 5
5193.211 Ac III 80 73 6p6.6d 2D5/2 4203.934 6p6.5f 25/2 23454.484
5215.399 Ac II 120 111 6d2 a 3P2 19202.966 6d.7p y 32 38371.617
5228.31 Ac I 345 310
5229.099 Ac II 40 35 6d2 a 3P0 17737.03 6d.7p y 31 36855.483
5230.429 Ac II 195 178 6d.7s a 1D2 9087.52 7s.7p z 32 28201.119
5256.031 Ac II 30 28 6d.7s a 3D3 7426.493 6d.7p y 32 26446.929
5258.24 Ac I 2000 1975 6d.7s2 a 2D3/2 0 6d.7s.(1D).7p 23/2 19012.45
5261.45 Ac I 105 101
5264.48 Ac I 135 130
5271.56 Ac I 960 887 6d.7s2 a 2D5/2 2231.432 6d.7s.(1D).7p 25/2 21195.87
5273.131 Ac II 9 8 6d2 a 1G4 20848.202 5f.6d z 34 39807.03
5344.74 Ac I 405 384 6d2.(3F).7s a 4F5/2 9863.588 6d2.(3F).7p 47/2 28568.377
5362.61 Ac II 225 224 6d2 a 3F2 13236.422 6d.7p z 12 31878.859
5369.63 Ac I 50 49
5424.44 Ac I 55 54
5430.96 Ac I 120 117
5446.379 Ac II 1500 1668 6d2 a 3F3 14949.177 6d.7p z 32 33304.94
5446.38 Ac 180 176
5471.709 Ac II 40 42 6d2 a 1G4 20848.202 6d.7p z 34 39118.978
5548.979 Ac II 50 50 6d2 a 3F3 14949.177 5f.7s y 34 32965.519
5569.26 Ac I 1500 1454 6d.7s2 a 2D3/2 0 6d.7s.(1D).7p 25/2 17950.709
5573.16 Ac II 10 10 6d2 a 3F2 13236.422 6d.7p z 33 31174.57
5603.769 Ac II 75 77 6d2 a 3P1 19015.288 6d.7p y 31 36855.483
5610.9 Ac I 45 45
5618.77 Ac I 210 213 6d2.(3F).7s a 4F3/2 9217.289 6d2.(3F).7p 45/2 27009.857
5625.919 Ac II 20 18 6d2 a 3P2 19202.966 6d.7p 33 36972.914
5627.569 Ac II 90 90 6d2 a 3P1 19015.288 6d.7p y 30 36780.02
5636.6 Ac I 720 721 6d.7s2 a 2D3/2 0 6d.7s.(3D).7p 43/2 17736.265
5660.19 Ac I 195 197 6d2.(3F).7s a 4F7/2 10906.027 6d2.(3F).7p 47/2 28568.377
5660.93 Ac II 15 17 6d.7p 33 36972.914 5f.(2F°5/2).7p1/2 e 3F2 54633.004
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These tables are Public Domain/CC0 (https://creativecommons.org/publicdomain/zero/1.0/).