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
2952.55 Ac III 915 - 6p6.6d 2D5/2 4203.934 6p6.7p 23/2 38063.03
2958.49 Ac II 85 -
2966.449 Ac II 45 - 5f.7s z 13 29881.06 5f.(2F°7/2).7p3/2 e 1D2 63581.63
2968.82 Ac I 45 - 6d.7s2 a 2D3/2 0 7s2.5f 25/2 33673.65
2972.491 Ac II 80 - 6d.7s a 3D1 4739.632 6d.7p y 32 38371.617
2994.17 Ac II 90 - 7s2 a 1S0 0 6d.7p z 31 33388.558
2996.682 Ac II 120 - 6d.7p y 32 26446.929 5f.(2F°5/2).7p3/2 e 3D2 59807.52
3001.877 Ac II 270 - 6d2 a 3F4 16756.852 5f.6d y 33 50059.68
3015.4 Ac II 70 -
3019.868 Ac II 2500 - 6d.7s a 3D2 5267.148 6d.7p y 32 38371.617
3030.459 Ac II 50 - 5f.7s z 13 29881.06 5f.(2F°7/2).7p3/2 e 3F4 62869.82
3036.93 Ac I 105 - 6d.7s2 a 2D3/2 0 6d2.(3P).7p 43/2 32918.416
3043.3 Ac 225 -
3043.301 Ac II 5500 - 6d.7s a 1D2 9087.52 6d.7p y 13 41937.022
3064.251 Ac II 225 - 6d.7p y 32 26446.929 5f.(2F°5/2).7p3/2 e 3F3 59071.85
3069.36 Ac 90 -
3069.361 Ac II 1500 - 6d2 a 3F2 13236.422 5f.6d z 33 45807.01
3076.171 Ac II 75 - 6d2 a 3P0 17737.03 5f.6d x 31 50235.55
3076.44 Ac I 300 - 6d.7s2 a 2D3/2 0 6d2.(3P).7p 43/2 32495.681
3076.871 Ac II 225 - 6d.7s a 1D2 9087.52 5f.6d x 32 41578.56
3078.068 Ac II 1500 - 6d2 a 3F3 14949.177 5f.6d z 34 47427.63
3078.07 Ac 45 -
3080.541 Ac II 50 - 7s.7p z 31 22180.527 5f.(2F°5/2).7p1/2 e 3F2 54633.004
3082.96 Ac I 15 - 6d.7s2 a 2D5/2 2231.432 6d2.(3P).7p 45/2 34658.472
3084.849 Ac II 150 - 6d2 a 1G4 20848.202 5f.6d x 13 53255.26
3086.039 Ac II 1500 - 6d2 a 3F4 16756.852 5f.6d z 35 49151.54
3086.04 Ac 45 -
3087.37 Ac 45 -
3087.371 Ac II 2000 - 6d.7s a 3D3 7426.493 5f.6d z 34 39807.03
3100.628 Ac II 95 - 6d2 a 3P1 19015.288 5f.6d x 32 51257.49
3109.33 Ac I 210 -
3111.57 Ac I 360 - 6d.7s2 a 2D5/2 2231.432 7s2.5f 27/2 34360.246
3112.83 Ac II 90 - 6d.7s a 3D1 4739.632 6d.7p y 31 36855.483
3118.781 Ac II 255 - 6d2 a 3P2 19202.966 5f.6d x 32 51257.49
3120.157 Ac II 1500 - 6d.7s a 3D1 4739.632 6d.7p y 30 36780.02
3120.16 Ac 45 -
3132.04 Ac II 30 -
3140.72 Ac I 225 -
3143.71 Ac I 915 - 6d.7s2 a 2D3/2 0 6d2.(3F).7p 25/2 31800.35
3153.09 Ac 225 -
3153.092 Ac II 6000 - 6d.7s a 3D2 5267.148 6d.7p 33 36972.914
3154.149 Ac II 45 - 6d.7p z 33 31174.57 5f.(2F°7/2).7p3/2 e 3F4 62869.82
3154.41 Ac II 270 - 6d.7s a 3D3 7426.493 6d.7p z 34 39118.978
3158.88 Ac II 45 -
3163.01 Ac II 30 - 7s.7p z 32 28201.119 5f.(2F°5/2).7p3/2 e 3D2 59807.52
3164.81 Ac II 90 - 6d.7s a 3D2 5267.148 6d.7p y 31 36855.483
3171.17 Ac I 825 - 6d.7s2 a 2D5/2 2231.432 6d2.(3F).7p 27/2 33756.452
3174.23 Ac I 120 - 6d.7s2 a 2D3/2 0 6d2.(3P).7p 25/2 31494.679
3174.69 Ac I 40 -
3176.83 Ac II 120 - 6d2 a 3F2 13236.422 5f.6d y 12 44705.294
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These tables are Public Domain/CC0 (https://creativecommons.org/publicdomain/zero/1.0/).