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
0.32391 Cs LV 1 - 1s 2S1/2 0 3p 23/2 308726300
0.32508 Cs LV 1 - 1s 2S1/2 0 3p 21/2 307619400
0.38127 Cs LV 1 - 1s 2S1/2 0 2p 23/2 262281800
0.38667 Cs LV 1 - 1s 2S1/2 0 2s 2S1/2 258618250
0.38676 Cs LV 1 - 1s 2S1/2 0 2p 21/2 258556800
0.3893 Cs LIV 1 - 1s2 1S0 0 1s.2p 11 256869700
0.38975 Cs LIV 1 - 1s2 1S0 0 1s.2p 32 256575200
0.39488 Cs LIV 1 - 1s2 1S0 0 1s.2p 30 253241400
0.39497 Cs LIV 1 - 1s2 1S0 0 1s.2p 31 253183600
0.39597 Cs LIV 1 - 1s2 1S0 0 1s.2s 3S1 252546600
1.4293 Cs LIII 1 - 2s 2S1/2 0 5p 23/2 69963000
1.4336 Cs LIII 1 - 2s 2S1/2 0 5p 21/2 69753000
1.4494 Cs LIII 1 - 2p 21/2 990450 5d 2D3/2 69984000
1.4555 Cs LIII 1 - 2p 21/2 990450 5s 2S1/2 69695000
1.5196 Cs LIII 1 - 2p 23/2 4243300 5d 2D5/2 70048000
1.5211 Cs LIII 1 - 2p 23/2 4243300 5d 2D3/2 69984000
1.5278 Cs LIII 1 - 2p 23/2 4243300 5s 2S1/2 69695000
1.5896 Cs LIII 1 - 2s 2S1/2 0 4p 23/2 62909000
1.6001 Cs LIII 1 - 2s 2S1/2 0 4p 21/2 62497000
1.614 Cs LIII 1 - 2p 21/2 990450 4d 2D3/2 62950000
1.6289 Cs LIII 1 - 2p 21/2 990450 4s 2S1/2 62382000
1.6998 Cs LIII 1 - 2p 23/2 4243300 4d 2D5/2 63073000
1.7034 Cs LIII 1 - 2p 23/2 4243300 4d 2D3/2 62950000
1.72 Cs LIII 1 - 2p 23/2 4243300 4s 2S1/2 62382000
1.8282 Cs XLVI 1 - 2s2.2p6 1S0 0 2s.2p6.4p (1/2,3/2)°1 54697500
1.8392 Cs XLVI 1 - 2s2.2p6 1S0 0 2s.2p6.4p (1/2,1/2)°1 54370800
1.9407 Cs XLVI 1 - 2s2.2p6 1S0 0 2s2.2p5.4s (1/2,1/2)°1 51526900
1.99332 Cs LV 1 - 2p 21/2 258556800 3d 2D3/2 308724340
1.99569 Cs LV 1 - 2s 2S1/2 258618250 3p 23/2 308726300
2.03723 Cs LV 1 - 2p 21/2 258556800 3s 2S1/2 307643100
2.04077 Cs LV 1 - 2s 2S1/2 258618250 3p 21/2 307619400
2.0574 Cs XLVI 1 - 2s2.2p6 1S0 0 2s2.2p5.4s (3/2,1/2)°1 48604600
2.0982 Cs LIII 1 - 2s 2S1/2 0 3p 23/2 47659000
2.13754 Cs LV 1 - 2p 23/2 262281800 3d 2D5/2 309064650
2.1382 Cs LIII 1 - 2p 21/2 990450 3d 2D3/2 47758000
2.1423 Cs LIII 1 - 2s 2S1/2 0 3p 21/2 46679000
2.143 Cs XLVII 1 - 2s2.2p5 21/2 2935100 2p6.3d (0,3/2)3/2 49595741
2.1532 Cs LV 1 - 2p 23/2 262281800 3d 2D3/2 308724340
2.2022 Cs LIII 1 - 2p 21/2 990450 3s 2S1/2 46399000
2.20452 Cs LV 1 - 2p 23/2 262281800 3s 2S1/2 307643100
2.253 Cs XLVII 1 - 2s2.2p5 21/2 2935100 2p6.3s (0,1/2)1/2 47326979
2.2828 Cs LIII 1 - 2p 23/2 4243300 3d 2D5/2 48050000
2.296 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s.2p21/2.2p33/2).3p (1,3/2)1/2 43560560
2.2981 Cs LIII 1 - 2p 23/2 4243300 3d 2D3/2 47758000
2.304 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s.2p21/2.2p33/2).3p (1,3/2)3/2 43395080
2.306 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s.2p21/2.2p33/2).3p (1,3/2)5/2 43362709
2.308 Cs XLVII 1 - 2s.2p6 (1/2,0)1/2 5448700 2p6.3p (0,3/2)°3/2 48778329
2.312 Cs XLVII 1 - 2s2.2p5 21/2 2935100 (2s.2p1/2.2p43/2).3p (1,3/2)3/2 46183655
2.314 Cs XLVII 1 - 2s2.2p5 21/2 2935100 (2s.2p1/2.2p43/2).3p (1,3/2)1/2 46155563
2.321 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s.2p21/2.2p33/2).3p (2,3/2)1/2 43079264
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