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
8.529 Fe IIIII - - 1s2.2s.2p 30 348180 1s2.2s.4d 3D1 12073000
8.55 Fe IIIII - - 1s2.2s.2p 31 379125 1s2.2s.4d 3D2 12075000
8.5515 Fe IIIII - - 1s2.2s.2p 31 379125 1s2.2s.4d 3D1 12073000
8.5524 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.5d 31 11810000
8.554 Fe IIIII - - 1s2.2s.2p 11 752410 1s2.2p.4p 3D2 12443000
8.558 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.5d 33 11802000
8.573 Fe XXI - - 2s2.2p2 3P0 0 2s2.2p.5d 31 11665000
8.616 Fe IIIII - - 1s2.2s.2p 32 471780 1s2.2s.4d 3D3 12081000
8.6183 Fe IIIII - - 1s2.2s.2p 32 471780 1s2.2s.4d 3D2 12075000
8.627 Fe XXI - - 2s2.2p2 3P1 73851 2s2.2p.5d 31 11665000
8.63 Fe IIIII - - 1s2.2p2 3P1 1027200 1s2.2p.4d 31 12615000
8.643 Fe IIIII - - 1s2.2p2 3P1 1027200 1s2.2p.4d 12 12597000
8.6465 Fe XXI - - 2s2.2p2 1D2 244561 2s2.2p.5d 31 11810000
8.664 Fe IIIII - - 1s2.2p2 3P2 1071700 1s2.2p.4d 32 12614000
8.672 Fe IIIII - - 1s2.2p2 3P0 956100 1s2.2p.4d 31 12488000
8.715 Fe XXII - - 2s2.2p 21/2 0 2s.2p.(3P°).4p 2D3/2 11474000
8.722 Fe XXII - - 2s2.2p 21/2 0 2s.2p.(3P°).4p 2P1/2 11465000
8.731 Fe IIIII - - 1s2.2p2 3P1 1027200 1s2.2p.4d 32 12480000
8.752 Fe IIIII - - 1s2.2p2 1D2 1204200 1s2.2p.4d 13 12631000
8.763 Fe IIIII - - 1s2.2p2 3P2 1071700 1s2.2p.4d 33 12484000
8.815 Fe IIIII - - 1s2.2s.2p 11 752410 1s2.2s.4d 1D2 12098000
8.855 Fe XXI - - 2s2.2p2 1S0 371980 2s2.2p.5d 31 11665000
8.906 Fe IIIII - - 1s2.2s.2p 11 752410 1s2.2s.4s 1S0 11981000
8.96 Fe XXII - - 2s.2p2 2D3/2 736310 2s.2p.(1P°).4d 25/2 11897000
8.976 Fe XXII - - 2s2.2p 21/2 0 2s2.4d 2D3/2 11140000
8.977 Fe XXII - - 2s.2p2 2D5/2 759210 2s.2p.(3P°).4d 27/2 11900000
8.992 Fe XXII - - 2s.2p2 4P1/2 404550 2s.2p.(3P°).4d 43/2 11526000
9.006 Fe XXII - - 2s.2p2 4P5/2 513260 2s.2p.(3P°).4d 45/2 11618000
9.06 Fe XXII - - 2s2.2p 21/2 0 2s2.4s 2S1/2 11050000
9.065 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(3P).5d 4D5/2 11031000
9.073 Fe XX - - 2s2.2p3 23/2 138620 2s2.2p2.(1D).5d 2D3/2 11160000
9.11 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(1D).5d 2D5/2 11153000
9.14 Fe XXII - - 2s2.2p 23/2 118266 2s2.4s 2S1/2 11050000
9.163 Fe XX - - 2s2.2p3 43/2 0 2s2.2p2.(3P).5d 4P5/2 10913000
9.183 Fe XXII - - 2s.2p2 2D5/2 759210 2s.2p.(1P°).4d 27/2 11649000
9.199 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(3P).5d 2F7/2 11047000
9.208 Fe XX - - 2s2.2p3 25/2 176130 2s2.2p2.(3P).5d 2D5/2 11036000
9.21 Fe XIX - - 2s2.2p4 1D2 168852 2s2.2p3.(2D°).6d 13 11030000
9.215 Fe XXII - - 2s.2p2 2D5/2 759210 2s.2p.(3P°).4d 25/2 11611000
9.22 Fe XX - - 2s2.2p3 23/2 323340 2s2.2p2.(1D).5d 2P3/2 11169000
9.241 Fe XXII - - 2s.2p2 2D3/2 736310 2s.2p.(3P°).4d 25/2 11558000
9.34 Fe XIX - - 2s2.2p4 3P2 0 2s2.2p3.(4S°).6d 33 10710000
9.36 Fe XIX - - 2s2.2p4 3P0 75250 2s2.2p3.(2P°).6d 31 10760000
9.421 Fe XXI - - 2s2.2p2 3P1 73851 2s2.2p.4d 31 10688000
9.433 Fe XXI - - 2s2.2p2 3P1 73851 2s2.2p.4d 12 10675000
9.44 Fe XIX - - 2s2.2p4 3P1 89441 2s2.2p3.(4S°).6d 52 10680000
9.4602 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.4d 31 10688000
9.4718 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.4d 12 10675000
9.476 Fe XXI - - 2s2.2p2 3P0 0 2s2.2p.4d 31 10553000
9.482 Fe XXI - - 2s2.2p2 3P2 117354 2s2.2p.4d 33 10664000
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