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
1.7835 Fe XXV - - 1s.2p 31 53777570 2p2 1D2 109846000
1.7871 Fe XXV - - 1s.2s 1S0 53781230 2s.2p 11 109737000
1.7873 Fe XXV - - 1s.2p 32 53896600 2p2 1D2 109846000
1.7881 Fe XXV - - 1s.2s 3S1 53527760 2s.2p 32 109453000
1.7887 Fe XXV - - 1s.2p 31 53777570 2p2 3P2 109683000
1.7899 Fe XXV - - 1s.2p 30 53761280 2p2 3P1 109631000
1.7904 Fe XXV - - 1s.2p 31 53777570 2p2 3P1 109631000
1.792 Fe XXV - - 1s.2p 11 54042490 2p2 1D2 109846000
1.7921 Fe XXV - - 1s.2s 3S1 53527760 2s.2p 31 109329000
1.7926 Fe XXV - - 1s.2p 32 53896600 2p2 3P2 109683000
1.793 Fe XXV - - 1s.2p 31 53777570 2p2 3P0 109551000
1.7933 Fe XXV - - 1s.2s 3S1 53527760 2s.2p 30 109291000
1.7942 Fe XXV - - 1s.2p 32 53896600 2p2 3P1 109631000
1.7973 Fe XXV - - 1s.2p 11 54042490 2p2 3P2 109683000
1.7989 Fe XXV - - 1s.2p 11 54042490 2p2 3P1 109631000
1.8003 Fe XXV - - 1s.2s 1S0 53781230 2s.2p 31 109329000
1.8015 Fe XXV - - 1s.2p 11 54042490 2p2 3P0 109551000
1.8024 Fe XXV - - 1s.2p 31 53777570 2s2 1S0 109258000
1.8111 Fe XXV - - 1s.2p 11 54042490 2s2 1S0 109258000
1.82456 V XXIII 4 - 1s 2S1/2 0 4p 23/2 54807770
1.8282 Cs XLVI 1 - 2s2.2p6 1S0 0 2s.2p6.4p (1/2,3/2)°1 54697500
1.8392 Cs XLVI 1 - 2s2.2p6 1S0 0 2s.2p6.4p (1/2,1/2)°1 54370800
1.8453 Fe XXIV - - 1s2.3p 21/2 9378200 1s.2p.3p 2S1/2 63572000
1.8464 Fe XXIV - - 1s2.3p 23/2 9417100 1s.2p.3p 2S1/2 63572000
1.8504 Fe XXV - - 1s2 1S0 0 1s.2p 11 54042490
1.852 Fe XXIV - - 1s2.2p 21/2 391983 1s.(2S).2p2.(1S) 2S1/2 54373600
1.85273 Fe XXIV - - 1s2.3p 21/2 9378200 1s.2p.3p 2D3/2 63352000
1.85349 Fe XXIV - - 1s2.3p 23/2 9417100 1s.2p.3p 2D5/2 63368100
1.854 Fe XXIV - - 1s2.3s 2S1/2 9272500 1s.2p.3s 23/2 63209000
1.8554 Fe XXV - - 1s2 1S0 0 1s.2p 32 53896600
1.8558 Cr XXIII - - 1s2 1S0 0 1s.3p 11 53884060
1.85592 Fe XXIV - - 1s2.3d 2D5/2 9472600 1s.2p.3d 27/2 63350600
1.8563 Fe XXIV - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(1P°) 23/2 53871000
1.85691 Fe XXIV - - 1s2.2p 23/2 520757 1s.(2S).2p2.(1S) 2S1/2 54373600
1.85704 Fe XXIV - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(1P°) 21/2 53849100
1.8578 Fe XXIV - - 1s2.2p 21/2 391983 1s.(2S).2p2.(3P) 2P3/2 54219500
1.858 Cr XXIII - - 1s2 1S0 0 1s.3p 31 53822410
1.858 Fe XXIV - - 1s2.3d 2D3/2 9459000 1s.2p.(3P°).3d 43/2 63281000
1.8588 Fe XXIII - - 1s2.2s.2p 31 379125 1s.(2S).2s.2p2.(2P) 1P1 54182000
1.8592 Ba XLVII 1 - 2p6 1S0 0 2p5.4s (1/2,1/2)°1 53786600
1.8595 Fe XXV - - 1s2 1S0 0 1s.2p 31 53777570
1.86108 Fe XXIV - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 23/2 53732200
1.86224 Fe XXIV - - 1s2.2p 23/2 520757 1s.(2S).2p2.(3P) 2P3/2 54219500
1.8628 Fe XXIV - - 1s2.2p 21/2 391983 1s.(2S).2p2.(3P) 2P1/2 54076000
1.86328 Fe XXIV - - 1s2.2p 21/2 391983 1s.(2S).2p2.(1D) 2D3/2 54060800
1.86345 Fe XXIV - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 21/2 53663900
1.86598 Fe XXIV - - 1s2.2p 23/2 520757 1s.(2S).2p2.(1D) 2D5/2 54111900
1.8672 Fe XXIV - - 1s2.2p 23/2 520757 1s.(2S).2p2.(3P) 2P1/2 54076000
1.8678 Fe XXIV - - 1s2.2p 23/2 520757 1s.(2S).2p2.(1D) 2D3/2 54060800
1.8682 Fe XXV - - 1s2 1S0 0 1s.2s 3S1 53527760
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