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 3800-8000 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
12.398 Fe XXI - - 2s2.2p2 3P1 73851 2s2.2p.3d 31 8140000
12.423 Fe XXI - - 2s2.2p2 1D2 244561 2s2.2p.3d 11 8293900
12.427 Fe IIIII - - 1s2.2p2 1S0 1422600 1s2.2p.3s 11 9470000
12.462 Fe XXI - - 2s2.2p2 3P1 73851 2s2.2p.3d 12 8098000
12.465 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.3d 31 8140000
12.518 Fe XXII - - 2s.2p2 2S1/2 978350 2s.2p.(3P°).3d 21/2 8967000
12.525 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.3d 33 8101400
12.526 Fe XVII - - 2s2.2p6 1S0 0 2s2.2p5.(2P°1/2).4s (1/2,1/2)°1 7983000
12.552 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(1D).3d 2P3/2 7967000
12.578 Fe XXI - - 2s2.2p2 1D2 244561 2s2.2p.3d 33 8195000
12.623 Fe XXI - - 2s2.2p2 1S0 371980 2s2.2p.3d 11 8293900
12.628 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(1D).3d 2D3/2 7919000
12.637 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(1D).3d 2D5/2 7913000
12.645 Fe XX - - 2s2.2p3 23/2 138620 2s2.2p2.(1S).3d 2D5/2 8047000
12.654 Fe IIIII - - 1s2.2p2 1D2 1204200 1s2.2s.3p 11 9107000
12.681 Fe XVII - - 2s2.2p6 1S0 0 2s2.2p5.(2P°3/2).4s (3/2,1/2)°1 7885800
12.705 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(1S).3d 2D5/2 8047000
12.724 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(3P).3d 2D3/2 7859000
12.728 Fe XXI - - 2s2.2p2 1D2 244561 2s2.2p.3d 33 8101400
12.75 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(3P).3d 2D5/2 7843000
12.763 Fe XX - - 2s2.2p3 23/2 138620 2s2.2p2.(1D).3d 2F5/2 7983000
12.774 Fe XX - - 2s2.2p3 23/2 138620 2s2.2p2.(1D).3d 2P3/2 7967000
12.818 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(3P).3d 4P5/2 7802000
12.836 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(1D).3d 2P3/2 7967000
12.847 Fe IVIII - - 2s2.2p5 23/2 0 2s.2p5.(1P°).3p 2D5/2 7783900
12.857 Fe XX - - 2s2.2p3 23/2 138620 2s2.2p2.(1D).3d 2D3/2 7919000
12.873 Fe XXI - - 2s2.2p2 1S0 371980 2s2.2p.3d 31 8140000
12.888 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(1D).3d 2F7/2 7935000
12.915 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(1D).3d 2D3/2 7919000
12.924 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(1D).3d 2D5/2 7913000
12.946 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(1S).3d 2D5/2 8047000
12.976 Fe XX - - 2s2.2p3 21/2 260270 2s2.2p2.(1D).3d 2P3/2 7967000
12.978 Fe XX - - 2s2.2p3 23/2 138620 2s2.2p2.(3P).3d 2D5/2 7843000
13.001 Fe IVIII - - 2s2.2p5 21/2 102579 2s.2p5.(1P°).3p 2P3/2 7794400
13.013 Fe IIIII - - 1s2.2p2 1S0 1422600 1s2.2s.3p 11 9107000
13.015 Fe IVIII - - 2s2.2p5 21/2 102579 2s.2p5.(1P°).3p 2P1/2 7786000
13.016 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(3P).3d 2D3/2 7859000
13.049 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(3P).3d 2D5/2 7843000
13.057 Fe XX - - 2s2.2p3 21/2 260270 2s2.2p2.(1D).3d 2D3/2 7919000
13.082 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(1D).3d 2F5/2 7983000
13.113 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(3P).3d 4P3/2 7802000
13.159 Fe IVIII - - 2s2.2p5 23/2 0 2s.2p5.(3P°).3p 2S1/2 7599400
13.165 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(1D).3d 2D3/2 7919000
13.176 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(1D).3d 2D5/2 7913000
13.27 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(3P).3d 2D3/2 7859000
13.298 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(3P).3d 2D5/2 7843000
13.319 Fe IVIII - - 2s2.2p5 23/2 0 2s.2p5.(3P°).3p 4P5/2 7508100
13.355 Fe IVIII - - 2s2.2p5 21/2 102579 2s.2p5.(3P°).3p 2S1/2 7599400
13.374 Fe IVIII - - 2s2.2p5 23/2 0 2s.2p5.(3P°).3p 2D5/2 7477200
13.397 Fe XIX - - 2s2.2p4 3P1 89441 2s2.2p3.(2P°3/2).3d (3/2,3/2)°2 7554000
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