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
3406.18 Ar I - - 3s2.3p5.(2P°1/2).4s 2[1/2]°1 95399.8276 3s2.3p5.(2P°1/2).7p 2[1/2]0 124749.805
3406.298 Ar II 2 - 3s2.3p4.(1D).4p 27/2 170530.404 3s2.3p4.(3P).5d 4D7/2 199879.3828
3408.35 Ar II - - 3s2.3p4.(1S).3d 2D5/2 179592.2248 3s2.3p4.(1D2).4f 2[2]°3/2 208923.4846
3408.612 Ar II 2 - 3s2.3p4.(1S).3d 2D5/2 179592.2248 3s2.3p4.(1D2).4f 2[2]°5/2 208921.2645
3409.413 Ar II - - 3s2.3p4.(1S).3d 2D5/2 179592.2248 3s2.3p4.(3P2).7p 2[2]°5/2 208914.333
3409.54 Ar II - - 3s2.3p4.(1D).3d 2P3/2 174409.8916 3s2.3p4.(3P).6p 23/2 203730.9181
3409.699 Ar II 1 - 3s2.3p4.(1S).3d 2D3/2 179931.8393 3s2.3p4.(1D2).4f 2[3]°5/2 209251.5031
3413.53 Ar III 3 - 3s2.3p3.(2P°).3d 32 211005.56 3s2.3p3.(2P°).4p 3D3 240292.3714
3414.4579 Ar II 5 - 3s2.3p4.(1D).4p 25/2 170401.017 3s2.3p4.(1D).4d 2D5/2 199679.844
3416.56 Ar II - - 3s2.3p4.(3P).4d 4F7/2 185624.8282 3s2.3p4.(3P1).7f 2[4]°9/2 214885.64
3417.49 Ar III 4 - 3s2.3p3.(2P°).3d 32 211005.56 3s2.3p3.(2P°).4p 3D2 240258.453
3421.6108 Ar II 10 - 3s2.3p4.(3P).4p 45/2 157673.4134 3s2.3p4.(3P).4d 4P5/2 186891.0393
3424.25 Ar III 5 - 3s2.3p3.(2D°).3d 32 213951.7743 3s2.3p3.(2P°).4p 3P1 243147.063
3425.5 Ar II 1 - 3s2.3p4.(1D).3d 2P3/2 174409.8916 3s2.3p4.(1D).5p 21/2 203594.3546
3429.6138 Ar II 10 - 3s2.3p4.(1D).4p 27/2 170530.404 3s2.3p4.(1D).4d 2D5/2 199679.844
3430.03 Ar III 1 - 3s2.3p3.(2P°).3d 32 211005.56 3s2.3p3.(2P°).4p 3D1 240151.99
3430.4148 Ar II 15 - 3s2.3p4.(3P).4p 45/2 157673.4134 3s2.3p4.(3P).4d 2F7/2 186816.0496
3430.991 Ar II 3 - 3s2.3p4.(1D).4p 23/2 172213.8798 3s2.3p4.(3P).5d 4F5/2 201351.6169
3431.737 Ar II 1 - 3s2.3p4.(1D).4p 23/2 172213.8798 3s2.3p4.(3P).5d 4P3/2 201345.2925
3432.5838 Ar II 3 - 3s2.3p4.(1D).4p 25/2 170401.017 3s2.3p4.(1D).4d 2P3/2 199525.2465
3433.369 Ar II - - 3s2.3p4.(3P).4d 2F7/2 186816.0496 3s2.3p4.(3P2).8f 2[5]°9/2 215933.64
3435.773 Ar II - - 3s2.3p4.(1D).3d 2P1/2 174821.0098 3s2.3p4.(3P).6p 43/2 203918.1752
3436.925 Ar III 3 - 3s2.3p3.(2P°).4s 11 211063.76 3s2.3p3.(2P°).4p 3D1 240151.99
3438.04 Ar III 4 - 3s2.3p3.(2D°).3d 31 214347.599 3s2.3p3.(2P°).4p 3P2 243425.7974
3439.094 Ar II - - 3s2.3p4.(3P).4d 2P1/2 189934.6322 3s2.3p4.(1D2).5f 2[2]°3/2 219003.76
3447.29 Ar II - - 3s2.3p4.(1S).3d 2D5/2 179592.2248 3s2.3p4.(1D2).4f 2[1]°3/2 208592.2016
3448.281 Ar II - - 3s2.3p4.(1S).3d 2D3/2 179931.8393 3s2.3p4.(1D2).4f 2[2]°3/2 208923.4846
3454.0949 Ar II 40 - 3s2.3p4.(3P).4p 45/2 155043.1619 3s2.3p4.(3P).4d 4D3/2 183986.0137
3458.688 Ar II - - 3s2.3p4.(1D).4p 21/2 172816.2926 3s2.3p4.(3P).5d 4F3/2 201720.7331
3461.07 Ar I 4 - 3s2.3p5.(2P°3/2).4s 2[3/2]°1 93750.5978 3s2.3p5.(2P°1/2).6p 2[3/2]2 122635.054
3464.1264 Ar II 40 - 3s2.3p4.(3P).4p 25/2 158730.2995 3s2.3p4.(3P).4d 2F5/2 187589.3383
3465.783 Ar II 7 - 3s2.3p4.(3P).4p 21/2 161089.3846 3s2.3p4.(3P).4d 2P1/2 189934.6322
3466.333 Ar II 45 - 3s2.3p4.(3P).4p 43/2 155351.1206 3s2.3p4.(3P).4d 4D1/2 184191.7917
3466.36343 Ar II - - 3s2.3p4.(3P).4p 47/2 157234.0196 3s2.3p4.(3P).4d 4F5/2 186074.4375
3470.2606 Ar II 6 - 3s2.3p4.(1D).4p 23/2 173347.9158 3s2.3p4.(3P).5d 2F5/2 202155.9425
3471.32 Ar III 5 - 3s2.3p3.(2D°).3d 31 214347.599 3s2.3p3.(2P°).4p 3P1 243147.063
3471.6 Ar II 2 - 3s2.3p4.(3P).4p 45/2 157673.4134 3s2.3p4.(3P).4d 4P3/2 186470.3603
3472.61 Ar III 3 - 3s2.3p3.(2D°).4s 32 196615.2125 3s2.3p3.(2D°).4p 3D3 225404.112
3476.7471 Ar II 210 - 3s2.3p4.(3P).4p 45/2 155043.1619 3s2.3p4.(3P).4d 4D5/2 183797.4473
3478.2316 Ar II 50 - 3s2.3p4.(3P).4p 43/2 155351.1206 3s2.3p4.(1D).3d 2S1/2 184093.1337
3480.502 Ar III 495 - 3s2.3p3.(2D°).4s 33 196680.8461 3s2.3p3.(2D°).4p 3D3 225404.112
3480.511 Ar II 4 - 3s2.3p4.(3P).4p 43/2 158167.7999 3s2.3p4.(3P).4d 4P5/2 186891.0393
3481.591 Ar II - - 3s2.3p4.(3P).4d 4F9/2 185093.3298 3s2.3p4.(3P2).7f 2[5]°11/2 213807.62
3484.12 Ar III 1 - 3s2.3p3.(2P°).3d 31 211565.03 3s2.3p3.(2P°).4p 3D2 240258.453
3487.3155 Ar II 3 - 3s2.3p4.(3P).4p 45/2 157673.4134 3s2.3p4.(3P).4d 4F3/2 186340.5616
3487.6 Ar VIII - - 2p6.9g 2G9/2 1070380 2p6.11f 27/2 1099042
3488.188 Ar II - - 3s2.3p4.(1S).3d 2D3/2 179931.8393 3s2.3p4.(1D2).4f 2[1]°1/2 208591.8039
3490.8729 Ar II 20 - 3s2.3p4.(3P).3d 2P1/2 144709.9818 3s2.3p4.(1D).4p 23/2 173347.9158
3491.2437 Ar II 180 - 3s2.3p4.(3P).4p 43/2 155351.1206 3s2.3p4.(3P).4d 4D3/2 183986.0137
3491.5356 Ar II 480 - 3s2.3p4.(3P).4p 45/2 155043.1619 3s2.3p4.(3P).4d 4D7/2 183675.6614
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