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
4087.76 Ac I 70 3 6d2.(3F).7s a 4F3/2 9217.289 7s2.5f 25/2 33673.65
4088.44 Ac 1500 65
4088.441 Ac II 10000 474 6d.7s a 3D3 7426.493 6d.7p z 12 31878.859
4113.77 Ac I 390 27 6d.7s2 a 2D5/2 2231.432 6d2.(3F).7p 43/2 26533.169
4113.861 Ac II 35 2 6d.7s a 1D2 9087.52 6d.7p z 31 33388.558
4132.42 Ac II 95 9 6d2 a 1G4 20848.202 5f.6d x 34 45040.26
4136.219 Ac II 20 2 6d2 a 3F3 14949.177 6d.7p z 34 39118.978
4137.99 Ac II 165 18
4139.65 Ac I 70 8
4144.15 Ac II 45 5 6d.7p z 11 29250.371 7s.8s e 1S0 53373.99
4152.88 Ac II 6 1 6d2 a 3P2 19202.966 5f.6d x 33 43275.798
4168.4 Ac II 1500 252 6d.7s a 3D2 5267.148 6d.7p z 11 29250.371
4169.12 Ac II 15 2 6d.7p y 32 38371.617 5f.(2F°7/2).7p3/2 e 1F3 62350.68
4179.98 Ac I 45 10 6d.7s2 a 2D3/2 0 6d2.(3F).7p 23/2 23916.835
4183.12 Ac I 9 2 6d.7s2 a 2D3/2 0 6d2.(3F).7p 45/2 23898.867
4184.17 Ac I 40 8 6d2.(3F).7s a 4F5/2 9863.588 6d2.(3F).7p 27/2 33756.452
4186.05 Ac I 75 18 6d2.(3F).7s a 4F7/2 10906.027 6d2.(1G).7p 29/2 34788.09
4188.08 Ac II 35 8
4189.75 Ac II 70 17
4194.4 Ac I 9 2 6d.7s2 a 2D5/2 2231.432 6d2.(3F).7p 25/2 26066.045
4198.72 Ac I 135 36 6d2.(3F).7s a 4F5/2 9863.588 7s2.5f 25/2 33673.65
4201.92 Ac I 120 33 6d2.(3F).7s a 4F9/2 12078.062 6d2.(1G).7p 29/2 35870.006
4202.79 Ac II 10 3
4205.7 Ac I 40 12
4208.91 Ac I 270 81 6d2.(3F).7s a 4F7/2 10906.027 6d2.(3P).7p 45/2 34658.472
4209.69 Ac II 135 41 6d.7s a 3D3 7426.493 6d.7p z 33 31174.57
4218.02 Ac I 225 72 6d2.(3F).7s a 4F3/2 9217.289 6d2.(3P).7p 43/2 32918.416
4225.99 Ac I 495 178
4232.67 Ac II 90 32 6d2 a 3F2 13236.422 6d.7p y 31 36855.483
4234.61 Ac I 45 16
4246.33 Ac I 90 36
4246.78 Ac I 55 22
4257.82 Ac II 210 89 7s.7p z 32 28201.119 7s.8s e 3S1 51680.59
4259.65 Ac II 90 38 6d.7p z 33 31174.57 5f.(2F°5/2).7p1/2 e 3G3 54644.079
4261.101 Ac II 50 21 6d.7s a 3D1 4739.632 7s.7p z 32 28201.119
4261.669 Ac II 55 23 6d.7p z 33 31174.57 5f.(2F°5/2).7p1/2 e 3F2 54633.004
4262.42 Ac I 135 55 6d2.(3F).7s a 4F7/2 10906.027 7s2.5f 27/2 34360.246
4266.94 Ac I 180 76
4268.216 Ac II 165 69 6d2 a 3F3 14949.177 6d.7p y 32 38371.617
4294.62 Ac I 75 35 6d2.(3F).7s a 4F3/2 9217.289 6d2.(3P).7p 43/2 32495.681
4311.64 Ac II 45 21
4327.24 Ac II 20 10
4336.27 Ac I 75 34 6d2.(3F).7s a 4F5/2 9863.588 6d2.(3P).7p 43/2 32918.416
4337.13 Ac II 120 60 6d2 a 3F4 16756.852 5f.6d z 34 39807.03
4347.51 Ac I 65 30
4359.13 Ac II 135 64 6d.7s a 3D2 5267.148 7s.7p z 32 28201.119
4364.082 Ac II 10 6 6d2 a 3F2 13236.422 6d.7p z 33 36144.296
4375.07 Ac I 90 43 6d2.(3F).7s a 4F7/2 10906.027 6d2.(3F).7p 27/2 33756.452
4384.53 Ac I 9 4 6d.7s2 a 2D3/2 0 6d.7s.(3D).7p 45/2 22801.11
4386.41 Ac 450 215
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These tables are Public Domain/CC0 (https://creativecommons.org/publicdomain/zero/1.0/).