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
10.643 Ne IX - - 1s2 1S0 0 1s.6p 11 9396200
10.644 Ne IX - - 1s2 1S0 0 1s.6p 31 9395000
10.764 Ne IX - - 1s2 1S0 0 1s.5p 11 9290000
10.768 Ne IX - - 1s2 1S0 0 1s.5p 31 9286660
11. Ne IX - - 1s2 1S0 0 1s.4p 11 9090630
11.008 Ne IX - - 1s2 1S0 0 1s.4p 31 9084040
11.547 Ne IX - - 1s2 1S0 0 1s.3p 11 8660530
11.568 Ne IX - - 1s2 1S0 0 1s.3p 31 8644500
11.6 Ne VIII - - 1s2.3p 23/2 1135327.7 1s.3p2 2P3/2 9760000
11.905 Ne VIII 20 - 1s2.2s 2S1/2 0 1s.2s.(3S).3p 4 8395000
11.93 Ne VIII 35 - 1s2.2p 23/2 129801.2 1s.2p.(3P°).3p 2D 8508000
12.46 Ne VIII 15 - 1s.2s2 2S1/2 7190600 2s2.2p 23/2 15220000
13.447 Ne IX - - 1s2 1S0 0 1s.2p 11 7436560
13.469 Ne VIII 30 - 1s2.3d 2D5/2 1147494 1s.2p.(1P°).3d 2 8571000
13.488 Ne VIII 20 - 1s2.3p 21/2 1134839.5 1s.2p.(1P°).3p 2D 8550000
13.533 Ne VIII 30 - 1s2.2p 23/2 129801.2 1s.2p2 2S1/2 7518600
13.553 Ne IX - - 1s2 1S0 0 1s.2p 31 7378500
13.561 Ne VIII 65 - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(1P°) 2 7371200
13.655 Ne VIII 180 - 1s2.2s 2S1/2 0 1s.(2S).2s.2p.(3P°) 2 7322700
13.685 Ne VIII 15 - 1s2.2p 23/2 129801.2 1s.2p2 2P 7437000
13.699 Ne IX - - 1s2 1S0 0 1s.2s 3S1 7299940
13.7083 Ne VIII 300 - 1s2.2p 23/2 129801.2 1s.2p2 2D 7423400
13.844 Ne VII 2 - 1s2.2p2 3P2 290724 1s.2p3 31 7514000
13.879 Ne VII 1 - 1s2.2s.2p 32 112702.4 1s.(2S).2s.2p2.(2D) 3D 7317900
13.884 Ne VII - - 1s2.2s.2p 32 112702.4 1s.(2S).2s.2p2.(4P) 3P 7317800
13.941 Ne VII - - 1s2.2s.2p 11 214951.6 1s.(2S).2s.2p2.(2D) 1D2 7388000
13.943 Ne VII - - 1s2.2p2 3P2 290724 1s.2p3 3 7462800
14.19 Ne VIII 20 - 1s2.2p 23/2 129801.2 1s.2s2 2S1/2 7190600
47.731 Ne IX - - 1s.2s 3S1 7299940 1s.6p 30 9395000
49.46 Ne IX - - 1s.2p 30 7378200 1s.6d 3D1 9400000
49.47 Ne IX - - 1s.2p 31 7378500 1s.6d 3D1 9400000
49.51 Ne IX - - 1s.2p 32 7380050 1s.6d 3D1 9400000
49.664 Ne IX - - 1s.2s 1S0 7382680 1s.6p 11 9396200
49.694 Ne IX - - 1s.2s 1S0 7382680 1s.6p 31 9395000
50.332 Ne IX - - 1s.2s 3S1 7299940 1s.5p 32 9286760
50.334 Ne IX - - 1s.2s 3S1 7299940 1s.5p 31 9286660
50.335 Ne IX - - 1s.2s 3S1 7299940 1s.5p 30 9286640
52.348 Ne IX - - 1s.2p 30 7378200 1s.5d 3D1 9288500
52.356 Ne IX - - 1s.2p 31 7378500 1s.5d 3D1 9288500
52.399 Ne IX - - 1s.2p 32 7380050 1s.5d 3D2 9288500
52.407 Ne IX - - 1s.2p 31 7378500 1s.5s 1S0 9286650
52.43 Ne IX - - 1s.2s 1S0 7382680 1s.5p 11 9290000
52.521 Ne IX - - 1s.2p 30 7378200 1s.5s 3S1 9282200
52.522 Ne IX - - 1s.2s 1S0 7382680 1s.5p 31 9286660
52.529 Ne IX - - 1s.2p 31 7378500 1s.5s 3S1 9282200
52.572 Ne IX - - 1s.2p 32 7380050 1s.5s 3S1 9282200
53.81 Ne VIII - - 1s2.2s 2S1/2 0 1s2.10p 2 1857869
54.051 Ne IX - - 1s.2p 11 7436560 1s.5s 1S0 9286650
54.31 Ne VIII 3 - 1s2.2s 2S1/2 0 1s2.9p 2 1841265
55.01 Ne VIII 6 - 1s2.2s 2S1/2 0 1s2.8p 21/2 1818014.9
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