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
18.8822 Fe XXVI - - 3p 23/2 66562370 5d 2D5/2 71858360
18.9349 Fe XXVI - - 3d 2D5/2 66578900 5f 27/2 71860150
19.902 Fe XXV - - 1s.3s 3S1 63421700 1s.5p 32 68446300
19.933 Fe XXV - - 1s.3s 3S1 63421700 1s.5p 31 68438600
20.138 Fe XXV - - 1s.3s 1S0 63489000 1s.5p 11 68454800
20.271 Fe XXV - - 1s.3p 31 63490700 1s.5s 3S1 68423800
20.419 Fe XXV - - 1s.3p 32 63526300 1s.5s 3S1 68423800
20.524 Fe XXV - - 1s.3p 11 63565800 1s.5s 1S0 68438100
21.372 Fe XXIV - - 1s2.3s 2S1/2 9272500 1s2.5p 23/2 13951600
21.409 Fe XXIV - - 1s2.3s 2S1/2 9272500 1s2.5p 21/2 13943400
21.823 Fe XXIV - - 1s2.3p 21/2 9378200 1s2.5d 2D3/2 13960500
21.987 Fe XXIV - - 1s2.3p 23/2 9417100 1s2.5d 2D5/2 13965300
21.991 Fe XXIV - - 1s2.3p 21/2 9378200 1s2.5s 2S1/2 13925450
22.01 Fe XXIV - - 1s2.3p 23/2 9417100 1s2.5d 2D3/2 13960500
22.181 Fe XXIV - - 1s2.3p 23/2 9417100 1s2.5s 2S1/2 13925450
27.2698 Fe XXVI - - 3s 2S1/2 66513060 4p 23/2 70180120
27.5883 Fe XXVI - - 3p 23/2 66562370 4d 2D5/2 70187100
27.6879 Fe XXVI - - 3d 2D5/2 66578900 4f 27/2 70190590
27.88 Fe XVI - - 2p6.3s 2S1/2 0 2p6.9p 23/2 3587000
28.67 Fe XVI - - 2p6.3s 2S1/2 0 2p6.8p 23/2 3488000
28.825 Fe XXV - - 1s.3s 3S1 63421700 1s.4p 32 66890900
28.95 Fe XXV - - 1s.3s 3S1 63421700 1s.4p 31 66875900
29.243 Fe XXV - - 1s.3p 30 63486100 1s.4d 3D1 66905700
29.252 Fe XXV - - 1s.3s 1S0 63489000 1s.4p 11 66907600
29.283 Fe XXV - - 1s.3p 31 63490700 1s.4d 3D1 66905700
29.285 Fe XXV - - 1s.3p 31 63490700 1s.4d 3D2 66905400
29.544 Fe XXV - - 1s.3p 32 63526300 1s.4d 3D3 66911100
29.594 Fe XXV - - 1s.3p 32 63526300 1s.4d 3D2 66905400
29.796 Fe XXV - - 1s.3p 31 63490700 1s.4s 3S1 66846900
29.884 Fe XXV - - 1s.3p 11 63565800 1s.4d 1D2 66912100
29.93 Fe XVI - - 2p6.3s 2S1/2 0 2p6.7p 23/2 3341000
30.02 Fe XXV - - 1s.3d 1D2 63576500 1s.4p 11 66907600
30.028 Fe XXV - - 1s.3d 3D2 63560700 1s.4p 32 66890900
30.1 Fe XVI - - 2p6.3p 21/2 277194 2p6.9d 2D3/2 3599000
30.115 Fe XXV - - 1s.3p 32 63526300 1s.4s 3S1 66846900
30.15 Fe XXV - - 1s.3d 3D3 63574200 1s.4p 32 66890900
30.164 Fe XXV - - 1s.3d 3D2 63560700 1s.4p 31 66875900
30.17 Fe XXV - - 1s.3d 3D1 63561300 1s.4p 31 66875900
30.188 Fe XXV - - 1s.3d 3D1 63561300 1s.4p 30 66873900
30.219 Fe XXV - - 1s.3p 11 63565800 1s.4s 1S0 66875000
30.33 Fe XVI - - 2p6.3p 23/2 298143 2p6.9d 2D5/2 3595000
30.743 Fe XXIV - - 1s2.3s 2S1/2 9272500 1s2.4p 23/2 12524900
30.895 Fe XXIV - - 1s2.3s 2S1/2 9272500 1s2.4p 21/2 12508900
31.041 Fe XVI - - 2p6.3p 21/2 277194 2p6.8d 2D3/2 3498800
31.242 Fe XVI - - 2p6.3p 23/2 298143 2p6.8d 2D5/2 3499000
31.244 Fe XVI - - 2p6.3p 23/2 298143 2p6.8d 2D3/2 3498800
31.637 Fe XXIV - - 1s2.3p 21/2 9378200 1s2.4d 2D3/2 12539200
31.968 Fe XXIV - - 1s2.3p 23/2 9417100 1s2.4d 2D5/2 12545200
32. Fe XXIV - - 1s2.3p 23/2 9417100 1s2.4d 2D3/2 12539200
32.166 Fe XVI - - 2p6.3s 2S1/2 0 2p6.6p 23/2 3108900
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