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
3.76949 Ar XVII - - 1s.2p 32 25215228 2p2 3P1 51744000
3.77202 Ar XVII - - 1s.2p 11 25322440 2p2 1D2 51833400
3.7821 Ar XVII - - 1s.2p 11 25322440 2p2 3P2 51762800
3.78479 Ar XVII - - 1s.2p 11 25322440 2p2 3P1 51744000
3.78678 Ar XVII - - 1s.2p 11 25322440 2p2 3P0 51730100
3.7885 Ar XVII - - 1s.2s 1S0 25200961 2s.2p 31 51596600
3.79334 Ar XVII - - 1s.2p 31 25193006 2s2 1S0 51555000
3.81206 Ar XVII - - 1s.2p 11 25322440 2s2 1S0 51555000
3.94907 Ar XVII 10 - 1s2 1S0 0 1s.2p 11 25322440
3.96159 Ar XVI - - 1s2.2p 21/2 257026 1s.2p2 2S1/2 25499400
3.963 Ar XVII 6 - 1s2 1S0 0 1s.2p 31 25193006
3.96561 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 2S1/2 25499400
3.96586 Ar XVII - - 1s2 1S0 0 1s.2p 32 25215228
3.9676 Ar XVI - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(1P°) 23/2 25204200
3.9685 Ar XVI - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(1P°) 21/2 25198400
3.9813 Ar XVI - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 23/2 25117400
3.98167 Ar XVI - - 1s2.2p 21/2 257026 1s.2p2 2P3/2 25372100
3.9834 Ar XVI - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 21/2 25104200
3.98572 Ar XVI - - 1s2.2p 21/2 257026 1s.2p2 2P1/2 25346600
3.98573 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 2P3/2 25372100
3.98979 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 2P1/2 25346600
3.98981 Ar XVI - - 1s2.2p 21/2 257026 1s.2p2 2D3/2 25320900
3.9938 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 2D5/2 25321400
3.99388 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 2D3/2 25320900
3.99415 Ar XVII - - 1s2 1S0 0 1s.2s 3S1 25036647
4. Ar XV - - 1s2.2s.2p 31 235860.182 1s.2s.(3S).2p2.(1S) 3S1 25229900
4.0044 Ar XV - - 1s2.2s.2p 32 252679.553 1s.2s.(3S).2p2.(1S) 3S1 25229900
4.01038 Ar XVI - - 1s2.2p 21/2 257026 1s.2p2 4P3/2 25192300
4.01219 Ar XVI - - 1s2.2p 21/2 257026 1s.2p2 4P1/2 25181100
4.0125 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 4P5/2 25204700
4.0137 Ar XV - - 1s2.2p2 3P2 628308 1s.2p3 31 25543000
4.0145 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 4P3/2 25192300
4.0148 Ar XVI - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 43/2 24907800
4.0159 Ar XVI - - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 41/2 24901000
4.01631 Ar XVI - - 1s2.2p 23/2 282603 1s.2p2 4P1/2 25181100
4.0201 Ar XV - - 1s2.2s.2p 32 252679.553 1s.2s.(3S).2p2.(1D) 3D3 25127700
4.0272 Ar XV - - 1s2.2s.2p 11 452182 1s.2s.(1S).2p2.(1D) 1D2 25283300
4.0317 Ar XV - - 1s2.2p2 3P2 628308 1s.2p3 33 25431700
4.0389 Ar XIV - - 2s.2p2 2D5/2 411205 1s.2s.(3S).2p3.(2D°) 25/2 25170500
4.0439 Ar XIV - - 2s.2p2 2D5/2 411205 1s.2s.(3S).2p3.(2P°) 23/2 25141000
4.0456 Ar XIV - - 2s2.2p 23/2 22656.239 1s.2s2.2p2 2P3/2 24740900
4.0483 Ar XIV - - 2s2.2p 21/2 0 1s.2s2.2p2 2D3/2 24701700
4.0518 Ar XIV - - 2s2.2p 23/2 22656.239 1s.2s2.2p2 2D5/2 24703000
4.0575 Ar XIV - - 2s.2p2 4P3/2 238954 1s.2s.(3S).2p3.(2D°) 45/2 24884700
4.0601 Ar XIV - - 2s.2p2 2S1/2 514401 1s.2s.(3S).2p3.(2P°) 23/2 25141000
4.0624 Ar XIV - - 2s.2p2 2P3/2 554678 1s.2s.(3S).2p3.(2D°) 25/2 25170500
4.0659 Ar XIV - - 2p3 23/2 913056 1s.2p4 2P3/2 25501600
4.06848 Ar XVI - - 1s2.2p 21/2 257026 1s.2s2 2S1/2 24836200
4.07272 Ar XVI - - 1s2.2p 23/2 282603 1s.2s2 2S1/2 24836200
4.0741 Ar IIII - - 2s2.2p2 1D2 85011.3 1s.2s2.2p3 11 24630600
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