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
131.638 Si XII 7 - 1s2.3d 2D3/2 2463790 1s2.4p 21/2 3223450
131.966 Si XII 7 - 1s2.3p 23/2 2444330 1s2.4s 2S1/2 3202100
132.048 Si XI 7 - 1s2.2p.3d 32 2547100 1s2.2s.5d 3D3 3304400
132.074 Si XI 7 - 1s2.2p.3s 32 2430220 1s2.2p.4p 3P2 3187370
132.463 Si XI 7 - 1s2.2p.3d 33 2549470 1s2.2s.5d 3D2 3304400
132.598 Si X 7 - 2s.2p.(3P°).3s 23/2 2035860 2s2.5d 2D5/2 2790020
133.094 Si XII 7 - 1s2.4p 21/2 3223450 1s2.8d 2D3/2 3974800
133.284 Si XI 7 - 1s2.2p.3s 32 2430220 1s2.2p.4p 3D3 3180500
133.289 Si XII 7 - 1s2.4p 23/2 3224550 1s2.8d 2D3/2 3974800
133.756 Si XI 7 - 1s2.2p.3d 32 2556770 1s2.2s.5d 3D2 3304400
134.018 Si XI 7 - 1s2.2p.3d 31 2558230 1s2.2s.5d 3D2 3304400
134.447 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(1D).3p 21/2 1150282
134.784 Si XI 7 - 1s2.2s.3s 1S0 2241810 1s2.2s.4p 11 2983740
134.879 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(1D).3p 23/2 1147901
137.266 Si X 7 - 2s.2p.(3P°).3d 23/2 2199210 2s2.6d 2D5/2 2927720
137.441 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(1D).3p 23/2 1134081
137.868 Si XI 7 - 1s2.2p.3d 13 2582930 1s2.2s.5d 1D2 3308260
138.242 Si XI 7 - 1s2.2p.3s 11 2470820 1s2.2p.4p 1D2 3194190
138.364 Si XI 7 - 1s2.2s.3p 11 2285040 1s2.2s.4d 1D2 3007770
139.348 Si XI 7 - 1s2.2p.3p 3D3 2487320 1s2.2p.4d 32 3204950
139.478 Si IX 7 - 2s2.2p2 3P1 2545 2p4 1D2 719502
139.702 Si XI 7 - 1s2.2p.3p 3D3 2487320 1s2.2p.4d 33 3203130
141.939 Si XI 7 - 1s2.2p.3p 3S1 2500420 1s2.2p.4d 32 3204950
143.833 Si XII 7 - 1s2.4s 2S1/2 3202100 1s2.7p 23/2 3897350
143.875 Si XII 7 - 1s2.4s 2S1/2 3202100 1s2.7p 21/2 3897150
143.922 Si XI 7 - 1s2.2p.3p 3P1 2510130 1s2.2p.4d 32 3204950
144.39 Si XI 7 - 1s2.2p.3p 3P2 2512380 1s2.2p.4d 32 3204950
144.77 Si XI 7 - 1s2.2p.3p 3P2 2512380 1s2.2p.4d 33 3203130
145.842 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(3P).3p 23/2 1092171
146.576 Si XI 7 - 1s2.2p.3p 1D2 2532420 1s2.2p.4d 13 3214660
147.21 Si IX 7 - 2s2.2p2 3P0 0 2p4 3P1 679300
147.377 Si IX 7 - 2s2.2p2 3P1 2545 2p4 3P0 681079
147.564 Si XI 7 - 1s2.2s.3d 3D2 2332050 1s2.2s.4f 33 3009720
147.667 Si XI 7 - 1s2.2s.3d 3D3 2332520 1s2.2s.4f 33 3009720
147.818 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(3P).3p 41/2 1083003
147.991 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(3P).3p 43/2 1082215
147.995 Si XII 7 - 1s2.4p 21/2 3223450 1s2.7d 2D3/2 3899150
148.236 Si XII 7 - 1s2.4p 23/2 3224550 1s2.7d 2D5/2 3899150
148.614 Si IX 7 - 2s2.2p2 3P2 6414 2p4 3P1 679300
148.761 Si IX 7 - 2s2.2p2 3P1 2545 2p4 3P2 674764
149.443 Si XI 7 - 1s2.2p.3d 12 2525040 1s2.2p.4p 1D2 3194190
149.712 Si VIII 7 - 2p5 23/2 820200 2s2.2p2.(1D).3s 2D3/2 1488150
150.035 Si VIII 7 - 2p5 23/2 820200 2s2.2p2.(1D).3s 2D5/2 1486710
150.455 Si XII 7 - 1s2.4d 2D3/2 3232700 1s2.7p 23/2 3897350
150.459 Si VI 7 - 2s.2p6 2S1/2 406497 2s2.2p4.(3P).3p 41/2 1071129
150.5 Si XII 7 - 1s2.4d 2D3/2 3232700 1s2.7p 21/2 3897150
150.523 Si XII 7 - 1s2.4d 2D5/2 3233000 1s2.7p 23/2 3897350
150.65 Si XIII 7 - 1s.4s 3S1 18479389 1s.6p 32 19143179
150.71 Si XIII 7 - 1s.4s 3S1 18479389 1s.6p 31 19142915
150.726 Si XIII 7 - 1s.4s 3S1 18479389 1s.6p 30 19142846
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