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
3805.05 Ac II 180 -
3809.52 Ac II 25 -
3814.36 Ac I 150 -
3814.781 Ac II 25 - 6d.7p z 33 36144.296 5f.(2F°7/2).7p3/2 e 1F3 62350.68
3832.72 Ac II 9 -
3834.8 Ac II 95 -
3835.32 Ac I 585 1 6d.7s2 a 2D3/2 0 6d2.(3F).7p 25/2 26066.045
3843.04 Ac I 2000 3 6d.7s2 a 2D3/2 0 6d.7s.(1D).7p 21/2 26013.69
3850.91 Ac II 35 -
3858.799 Ac II 10 - 6d.7s a 3D2 5267.148 6d.7p z 33 31174.57
3863.119 Ac II 7500 14 6d.7s a 3D3 7426.493 6d.7p z 32 33304.94
3863.12 Ac 915 2
3877.03 Ac II 20 -
3879.82 Ac II 7 - 6d.7p z 32 33304.94 5f.(2F°5/2).7p3/2 e 3F3 59071.85
3885.56 Ac I 2500 7 6d.7s2 a 2D5/2 2231.432 6d.7s.(3D).7p 27/2 27960.46
3893.35 Ac II 165 -
3907.38 Ac II 25 -
3914.47 Ac II 45 - 6d.7s a 3D3 7426.493 5f.7s y 34 32965.519
3920.1 Ac II 180 1 6d2 a 3P2 19202.966 5f.6d y 12 44705.294
3922.73 Ac II 25 -
3928.39 Ac II 45 -
3929.52 Ac I 45 - 6d2.(3F).7s a 4F3/2 9217.289 6d2.(3P).7p 45/2 34658.472
3938.579 Ac II 45 - 6d.7p z 11 29250.371 5f.(2F°5/2).7p1/2 e 3F2 54633.004
3946.59 Ac II 15 -
3951.98 Ac II 65 -
3965.07 Ac II 20 -
3972.49 Ac II 20 -
3977.361 Ac II 330 3 6d2 a 3F2 13236.422 6d.7p y 32 38371.617
3999.36 Ac II 165 2 6d2 a 3P2 19202.966 6d.7p y 11 44199.919
4002.23 Ac II 45 - 5f.7s y 34 32965.519 5f.(2F°7/2).7p1/2 e 3D3 57944.525
4003.79 Ac I 25 - 6d.7s2 a 2D3/2 0 6d.7s.(1D).7p 23/2 24969.293
4004.64 Ac I 85 1 6d2.(3F).7s a 4F7/2 10906.027 6d2.(1G).7p 29/2 35870.006
4005.47 Ac II 40 1 6d2 a 1G4 20848.202 5f.6d z 33 45807.01
4015.22 Ac I 55 1
4019.64 Ac II 240 3 6d2 a 3F4 16756.852 5f.6d z 14 41627.78
4023.09 Ac II 20 -
4031.95 Ac I 135 2 6d2.(3F).7s a 4F5/2 9863.588 6d2.(3P).7p 45/2 34658.472
4034.63 Ac I 1000 20 6d.7s2 a 2D5/2 2231.432 6d2.(3F).7p 45/2 27009.857
4037.15 Ac II 15 - 5f.7s z 13 29881.06 5f.(2F°5/2).7p1/2 e 3G3 54644.079
4038.93 Ac II 15 - 5f.7s z 13 29881.06 5f.(2F°5/2).7p1/2 e 3F2 54633.004
4044.45 Ac II 85 2 5f.7s y 34 32965.519 5f.(2F°7/2).7p1/2 e 3G4 57683.74
4050.06 Ac II 9 -
4053.06 Ac II 95 2 6d.7p 32 35397.116 5f.(2F°5/2).7p3/2 e 3D1 60062.93
4057.36 Ac II 20 1 6d.7p z 32 33304.94 5f.(2F°7/2).7p1/2 e 3D3 57944.525
4058.38 Ac II 10 -
4061.6 Ac II 180 5 6d.7s a 3D2 5267.148 5f.7s z 13 29881.06
4063.1 Ac I 1500 36 6d.7s2 a 2D5/2 2231.432 6d.7s.(3D).7p 25/2 26836.195
4078.699 Ac II 915 36 6d.7s a 3D1 4739.632 6d.7p z 11 29250.371
4081.04 Ac I 40 2 6d2.(3F).7s a 4F5/2 9863.588 7s2.5f 27/2 34360.246
4081.77 Ac II 15 1
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