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
2.6149 Cs XLVI 1 - 2s2.2p6 1S0 0 2s2.2p5.3d (3/2,5/2)°1 38245500
2.6256 Cs XLV 1 - 3s 2S1/2 0 2p5.(2P°3/2).3s.3d5/2 °3/2 38087000
2.6427 Cs XLVI 1 - 2s2.2p6 1S0 0 2s2.2p5.3d (3/2,3/2)°1 37835900
2.732 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s2.2p21/2.2p23/2).3s (0,1/2)1/2 36600316
2.744 Cs XLVII 1 - 2s.2p6 (1/2,0)1/2 5448700 (2s.2p21/2.2p33/2).3s (1,1/2)°1/2 41892924
2.745 Cs XLVII 1 - 2s2.2p5 21/2 2935100 (2s2.2p1/2.2p33/2).3s (2,1/2)3/2 39365298
2.753 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s2.2p21/2.2p23/2).3s (2,1/2)3/2 36327406
2.754 Cs XLVII 1 - 2s2.2p5 21/2 2935100 (2s2.2p1/2.2p33/2).3s (1,1/2)1/2 39243273
2.758 Cs XLVII 1 - 2s2.2p5 23/2 0 (2s2.2p21/2.2p23/2).3s (2,1/2)5/2 36264638
2.772 Cs XLVII 1 - 2s.2p6 (1/2,0)1/2 5448700 (2s.2p21/2.2p33/2).3s (2,1/2)°3/2 41529373
2.8 Cs XLVII 1 - 2s.2p6 (1/2,0)1/2 5448700 (2s2.2p1/2.2p33/2).3p (2,3/2)°1/2 41160665
2.8253 Cs XLVI 1 - 2s2.2p6 1S0 0 2s2.2p5.3s (3/2,1/2)°1 35413900
7.425 Cs XLV 1 - 3s 2S1/2 0 4p 23/2 13468290
7.598 Cs XLV 1 - 3s 2S1/2 0 4p 21/2 13161430
7.671 Cs XLV 1 - 3p 21/2 828560 4d 2D3/2 13864670
8.101 Cs XLV 1 - 3p 23/2 1583900 4d 2D5/2 13938320
8.342 Cs XLV 1 - 3p 21/2 828560 4s 2S1/2 12816060
8.684 Cs XLV 1 - 3d 2D3/2 2630250 4f 25/2 14145890
8.789 Cs XLV 1 - 3d 2D5/2 2800100 4f 27/2 14177750
8.911 Cs XLV 1 - 3p 23/2 1583900 4s 2S1/2 12816060
8.945 Cs XLIX 1 - 2s2.2p21/2.2p3/2 (0,3/2)°3/2 0 2s.(2p43/2) (1/2,0)1/2 11179200
8.992 Cs LI 1 - 2s.(2p21/2) (1/2,0)1/2 1357400 2p33/2 (0,3/2)°3/2 12477900
10.431 Cs IIVIII 1 - 3p6.3d10 1S0 0 3s.3d10.4p (1/2,3/2)°1 9586800
10.621 Cs IIVIII 1 - 3p6.3d10 1S0 0 3s.3d10.4p (1/2,1/2)°1 9415300
10.979 Cs IIVIII 1 - 3p6.3d10 1S0 0 3p5.3d10.4d (1/2,3/2)°1 9108300
11.658 Cs IIVIII 1 - 3p6.3d10 1S0 0 3p5.3d10.4d (3/2,5/2)°1 8577800
11.729 Cs IIVIII 1 - 3p6.3d10 1S0 0 3p5.3d10.4d (3/2,3/2)°1 8525900
11.898 Cs LI 1 - (2s.2p1/2).2p3/2 (0,3/2)3/2 4073200 2p33/2 (0,3/2)°3/2 12477900
11.977 Cs XLIX 1 - 2s2.2p1/2.(2p23/2) (1/2,2)°3/2 2829600 2s.(2p43/2) (1/2,0)1/2 11179200
11.988 Cs ILVIII 1 - 2s2.(2p21/2.2p23/2) (0,2)2 0 2s.(2p1/2.2p43/2) (1/2,1/2)°1 8342000
12.039 Cs XLIX 1 - 2s2.2p21/2.2p3/2 (0,3/2)°3/2 0 (2s.2p1/2).(2p33/2) (1,3/2)3/2 8306100
12.175 Cs XLIX 1 - 2s2.2p21/2.2p3/2 (0,3/2)°3/2 0 (2s.2p1/2).(2p33/2) (1,3/2)1/2 8213600
12.191 Cs LI 1 - 2s.(2p21/2) (1/2,0)1/2 1357400 2p1/2.(2p23/2) (1/2,0)°1/2 9560000
12.287 Cs LI 1 - (2s.2p1/2).2p3/2 (1,3/2)5/2 4339200 2p33/2 (0,3/2)°3/2 12477900
12.336 Cs XLIX 1 - (2s.2p21/2).(2p23/2) (1/2,0)1/2 5210700 2p1/2.(2p43/2) (1/2,0)°1/2 13316900
12.364 Cs XLIX 1 - (2s.2p21/2).(2p23/2) (1/2,2)3/2 5228800 2p1/2.(2p43/2) (1/2,0)°1/2 13316900
12.454 Cs ILVIII 1 - 2s2.(2p21/2.2p23/2) (0,0)0 312500 2s.(2p1/2.2p43/2) (1/2,1/2)°1 8342000
12.526 Cs LI 1 - 2s2.2p 21/2 0 2s.(2p23/2) (1/2,2)3/2 7983100
12.549 Cs LI 1 - 2s2.2p 21/2 0 2s.(2p23/2) (1/2,0)1/2 7968900
12.613 Cs XLIX 1 - 2s2.2p1/2.(2p23/2) (1/2,0)°1/2 3250900 2s.(2p43/2) (1/2,0)1/2 11179200
12.643 Cs XXXVII 1 - 3d 2D3/2 0 4s 2S1/2 7909700
12.654 Cs XLIX 1 - 2s2.2p21/2.2p3/2 (0,3/2)°3/2 0 (2s.2p1/2).(2p33/2) (1,3/2)5/2 7902800
12.856 Cs IIVIII 1 - 3p6.3d10 1S0 0 3p5.3d10.4s (1/2,1/2)°1 7778500
12.885 Cs XXXVII 1 - 3d 2D5/2 148500 4s 2S1/2 7909700
12.957 Cs LI 1 - (2s.2p1/2).2p3/2 (1,3/2)1/2 4760000 2p33/2 (0,3/2)°3/2 12477900
12.959 Cs LI 1 - 2s.(2p21/2) (1/2,0)1/2 1357400 2p1/2.(2p23/2) (1/2,2)°3/2 9073800
13.054 Cs LII 1 - 2s.2p1/2 (1/2,1/2)°1 1060000 2p23/2 (3/2,3/2)2 8720500
13.105 Cs XLIX 1 - 2s2.2p21/2.2p3/2 (0,3/2)°3/2 0 (2s.2p1/2).(2p33/2) (0,3/2)3/2 7630600
13.456 Cs IIVIII 1 - 3p6.3d10 1S0 0 3p6.3d9.4f (3/2,5/2)°1 7431600
13.803 Cs IIVIII 1 - 3p6.3d10 1S0 0 3p6.3d9.4f (5/2,7/2)°1 7244800
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