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
7217.36 Ce I 30 1 4f.5d.6s2 33 1388.941 4f.5d.(1G°).6s.6p.(3P°) 4 14748.945
7238.36 Ce II 20 - 4f2.(3F).5d 4H7/2 12456.746 4f2.(3H4).6p1/2 (4,1/2)°7/2 26268.203
7262.64 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 57 5802.108 4f.5d.(3H°).6s.6p.(3P°) 5I8 19567.423
7277.9 Ce I - - 4f.5d.6s2 35 2208.657 4f.5d.(3F°).6s.6p.(3P°) 4 17438.566
7296.17 Ce I - - 4f.5d.6s2 12 2378.827 4f2.6s2 2 16080.882
7301.42 Ce II 1 - 4f.(2F°).5d2.(1G) 215/2 14404.4 4f2.(1I).5d 2L17/2 28096.58
7313.45 Ce II 1 - 4f2.(3H).5d 2K13/2 15593.66 4f2.(3H6).6p1/2 (6,1/2)°11/2 29263.338
7334.68 Ce II - - 4f2.(3F).5d 2H9/2 19481.04 4f2.(3F4).6p3/2 °7/2 35625.7
7343.44 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 54 2437.629 4f2.(3H).5d (4H).6s 4 16051.478
7397.77 Ce I 50 - 4f.5d.6s2 14 0 4f.5d.(1G°).6s.6p.(3P°) 4 14748.945
7401.27 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 54 2437.629 4f.5d.(3F°).6s.6p.(3P°) 4 17438.566
7417.94 Ce II - - 4f.5d.(1G°).6s °9/2 2382.246 4f2.(3H).5d 9/2 14387.112
7433.08 Ce I - - 4f.5d.6s2 35 4199.367 4f.5d.(3H°).6s.6p.(3P°) 6 21324.736
7438.56 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 56 4455.756 4f2.(3H).5d (4H).6s 5 17895.539
7444.44 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 53 2369.068 4f.(2F°5/2).6s2.6p1/2? 3 15798.226
7486.57 Ce II - - 4f2.(3F).5d 2H11/2 20554.596 4f2.(3F4).6p1/2 °9/2 33908.193
7533.73 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 57 5802.108 4f2.(3H).5d (4H).6s 6 19347.542
7551.25 Ce I - - 4f.5d.6s2 35 4199.367 4f.5d.(3F°).6s.6p.(3P°) 4 17438.566
7562.86 Ce I - - 4f.(2F°) .5d2.(3F).6s (4F) 53 2369.068 4f.(2F°5/2).6s2.6p1/2 2 16347.978
7563.6 Ce I - - 4f.(2F°) .5d2.(3F).6s (2F)? °5 7841.955 4f.(2F°).5d2.(3F) (4H°).6p 5 21059.52
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