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
7285.443 Ar I 50 1 3s2.3p5.(2P°1/2).4p 2[3/2]2 107289.7001 3s2.3p5.(2P°1/2).4d 2[3/2]°1 121011.9198
7298.15 Ar II 2 - 3s2.3p4.(3P).4d 2D5/2 192556.9179 3s2.3p4.(3P1).5f 2[3]°5/2 206255.2684
7311.716 Ar I 90 1 3s2.3p5.(2P°3/2).4p 2[3/2]1 106087.2598 3s2.3p5.(2P°3/2).6s 2[3/2]°1 119760.1725
7316.005 Ar I 25 - 3s2.3p5.(2P°1/2).4p 2[1/2]1 107496.4166 3s2.3p5.(2P°1/2).6s 2[1/2]°1 121161.3135
7332.15 Ar IV - - 3s2.3p3 25/2 21219.8 3s2.3p3 21/2 34854.6
7348.0495 Ar II 4 - 3s2.3p4.(3P).4p 25/2 158730.2995 3s2.3p4.(1D).3d 2D5/2 172335.5985
7350.814 Ar I 6 - 3s2.3p5.(2P°1/2).4p 2[1/2]1 107496.4166 3s2.3p5.(2P°1/2).6s 2[1/2]°0 121096.605
7353.175 Ar I - - 3s2.3p5.(2P°3/2).4p 2[3/2]1 106087.2598 3s2.3p5.(2P°3/2).6s 2[3/2]°2 119683.0821
7353.293 Ar I 100 1 3s2.3p5.(2P°3/2).4p 2[5/2]2 105617.27 3s2.3p5.(2P°3/2).4d 2[7/2]°3 119212.87
7355.18 Ar II 2 - 3s2.3p4.(3P).4d 2D5/2 192556.9179 3s2.3p4.(3P1).5f 2[4]°7/2 206149.0242
7358.338 Ar II 2 - 3s2.3p4.(3P).3d 4P3/2 147503.1134 3s2.3p4.(3P).4p 21/2 161089.3846
7372.118 Ar I 285 2 3s2.3p5.(2P°3/2).4p 2[5/2]3 105462.7596 3s2.3p5.(2P°3/2).4d 2[7/2]°4 119023.648
7380.4229 Ar II 80 1 3s2.3p4.(3P).3d 4P3/2 147503.1134 3s2.3p4.(3P).4p 43/2 161048.7411
7383.98 Ar I 5500 35 3s2.3p5.(2P°3/2).4s 2[3/2]°1 93750.5978 3s2.3p5.(2P°1/2).4p 2[3/2]2 107289.7001
7392.98 Ar I 210 1 3s2.3p5.(2P°3/2).4p 2[3/2]2 106237.5518 3s2.3p5.(2P°3/2).6s 2[3/2]°1 119760.1725
7412.337 Ar I 15 - 3s2.3p5.(2P°1/2).4p 2[3/2]1 107131.7086 3s2.3p5.(2P°1/2).4d 2[5/2]°2 120619.0162
7419.341 Ar II - - 3s2.3p4.(3P).5p 21/2 190942.722 3s2.3p4.(3P).5d 2D3/2 204417.2985
7422.312 Ar I 3 - 3s2.3p5.(2P°1/2).4p 2[3/2]1 107131.7086 3s2.3p5.(2P°1/2).4d 2[3/2]°2 120600.8905
7425.294 Ar I 5 - 3s2.3p5.(2P°1/2).4p 2[3/2]2 107289.7001 3s2.3p5.(2P°1/2).4d 2[5/2]°3 120753.4714
7428.574 Ar II - - 3s2.3p4.(3P).3d 2P1/2 144709.9818 3s2.3p4.(3P).4p 43/2 158167.7999
7435.368 Ar I 9 - 3s2.3p5.(2P°3/2).4p 2[3/2]2 106237.5518 3s2.3p5.(2P°3/2).6s 2[3/2]°2 119683.0821
7436.297 Ar I 3 - 3s2.3p5.(2P°3/2).4p 2[5/2]3 105462.7596 3s2.3p5.(2P°3/2).4d 2[3/2]°2 118906.611
7440.491 Ar II 25 - 3s2.3p4.(3P).4p 23/2 159393.385 3s2.3p4.(1D).3d 2D3/2 172829.6539
7455.996 Ar II - - 3s2.3p4.(3P).4d 2D3/2 192712.058 3s2.3p4.(3P1).5f 2[2]°5/2 206120.3769
7471.164 Ar I 2 - 3s2.3p5.(2P°3/2).4s 2[3/2]°1 93750.5978 3s2.3p5.(2P°1/2).4p 2[3/2]1 107131.7086
7484.33 Ar I 10 - 3s2.3p5.(2P°3/2).4p 2[3/2]1 106087.2598 3s2.3p5.(2P°3/2).4d 2[5/2]°2 119444.83
7503.869 Ar I 8500 26 3s2.3p5.(2P°1/2).4s 2[1/2]°1 95399.8276 3s2.3p5.(2P°1/2).4p 2[1/2]0 108722.6194
7505.153 Ar II 450 1 3s2.3p4.(3P).4p 21/2 161089.3846 3s2.3p4.(1D).3d 2P3/2 174409.8916
7510.408 Ar I 50 - 3s2.3p5.(2P°1/2).4p 2[3/2]2 107289.7001 3s2.3p5.(2P°1/2).4d 2[3/2]°2 120600.8905
7514.652 Ar I 1000 3 3s2.3p5.(2P°3/2).4s 2[3/2]°1 93750.5978 3s2.3p5.(2P°3/2).4p 2[1/2]0 107054.272
7589.3152 Ar II 210 - 3s2.3p4.(3P).3d 4P5/2 147875.9477 3s2.3p4.(3P).4p 43/2 161048.7411
7618.03 Ar II 450 1 3s2.3p4.(3P).4p 21/2 159706.5337 3s2.3p4.(1D).3d 2D3/2 172829.6539
7618.344 Ar I 165 - 3s2.3p5.(2P°1/2).4p 2[1/2]1 107496.4166 3s2.3p5.(2P°1/2).4d 2[5/2]°2 120619.0162
7628.882 Ar I 525 1 3s2.3p5.(2P°1/2).4p 2[1/2]1 107496.4166 3s2.3p5.(2P°1/2).4d 2[3/2]°2 120600.8905
7635.106 Ar I 6500 7 3s2.3p5.(2P°3/2).4s 2[3/2]°2 93143.76 3s2.3p5.(2P°3/2).4p 2[3/2]2 106237.5518
7654.031 Ar II 105 - 3s2.3p4.(3P).3d 2P3/2 145668.8845 3s2.3p4.(3P).4p 25/2 158730.2995
7670.057 Ar I 375 - 3s2.3p5.(2P°3/2).4p 2[5/2]2 105617.27 3s2.3p5.(2P°3/2).4d 2[1/2]°1 118651.395
7680.948 Ar II 20 - 3s2.3p4.(3P).5p 45/2 188766.2129 3s2.3p4.(3P).5d 4P5/2 201781.8583
7681.49 Ar II 10 - 3s2.3p4.(3P2).4f 2[5]°9/2 195128.3735 3s2.3p4.(3P).6d 4F7/2 208143.0731
7683.458 Ar II 10 - 3s2.3p4.(3P).3d 4P1/2 147228.0521 3s2.3p4.(3P).4p 23/2 160239.428
7704.82 Ar I 105 - 3s2.3p5.(2P°3/2).4p 2[3/2]2 106237.5518 3s2.3p5.(2P°3/2).4d 2[7/2]°3 119212.87
7723.761 Ar I 2500 1 3s2.3p5.(2P°3/2).4s 2[3/2]°2 93143.76 3s2.3p5.(2P°3/2).4p 2[3/2]1 106087.2598
7724.207 Ar I 2500 1 3s2.3p5.(2P°1/2).4s 2[1/2]°0 94553.6652 3s2.3p5.(2P°1/2).4p 2[1/2]1 107496.4166
7742.42 Ar II 15 - 3s2.3p4.(3P1).4f 2[4]°9/2 196103.4029 3s2.3p4.(3P).6d 2F7/2 209015.709
7751.06 Ar III 9 - 3s2.3p4 3P1 1112.17 3s2.3p4 1D2 14010
7753.28 Ar II 10 - 3s2.3p4.(3P2).4f 2[4]°9/2 194800.2662 3s2.3p4.(3P).6d 4D7/2 207694.4965
7753.66 Ar II 8 - 3s2.3p4.(3P1).4f 2[3]°7/2 196305.1289 3s2.3p4.(3P).6d 4P5/2 209198.6869
7757.003 Ar II 10 - 3s2.3p4.(1S).4p 21/2 192333.4986 3s2.3p4.(3P).5d 2P3/2 205221.512
7795.41 Ar II 3 - 3s2.3p4.(3P).4d 4D5/2 183797.4473 3s2.3p4.(3P0).4f 2[3]°7/2 196621.9658
7798.561 Ar I 25 - 3s2.3p5.(2P°3/2).4p 2[3/2]1 106087.2598 3s2.3p5.(2P°3/2).4d 2[3/2]°2 118906.611
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