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
1967.29 Cs II - - 5p5.(2P°1/2).6s 2[1/2]°1 122875.4487 5p5.(2P°3/2).9p 2[1/2]1 173706.787
1968.032 Cs III 4 - 5s2.5p4.(3P2).6s 2[2]3/2 138543.477 5s2.5p4.(1D2).4f 2[2]°5/2 189355.684
1969.5964 Cs II - - 5p5.(2P°3/2).6p 2[5/2]2 128098.9117 5p5.(2P°3/2).11s 2[3/2]°2 178870.78
1971.1521 Cs II - - 5p5.(2P°1/2).6s 2[1/2]°1 122875.4487 5p5.(2P°3/2).6f 2[5/2]2 173607.2305
1971.4727 Cs III 2 - 5s2.5p4.(3P2).5d 2[1]1/2 122346.271 5s2.5p4.(3P1).6p 2[0]°1/2 173069.797
1972.134 Cs II - -
1973.795 Cs III - - 5s2.5p4.(1D2).5d 2[1]3/2 160991.868 5s2.5p4.(3P2).7p 2[2]°3/2 211655.671
1973.9359 Cs II - - 5p5.(2P°3/2).6p 2[3/2]1 129998.9106 5p5.(2P°3/2).12s 2[3/2]°1 180659.11
1974.283 Cs III - - 5s2.5p4.(1D2).5d 2[4]9/2 144868.73 5s2.5p4.(1D2).4f 2[3]°7/2 195520.01
1978.825 Cs III - - 5s2.5p4.(3P2).5d 2[4]7/2 128532.528 5s2.5p4.(3P2).4f 2[2]°5/2 179067.577
1978.997 Cs II - - 5p5.(2P°1/2).5d 2[3/2]°2 128320.1051 5p5.(2P°3/2).8f 2[5/2]3 178850.7883
1980.498 Cs III - - 5s2.5p4.(3P2).6p 2[1]°1/2 163525.805 5s2.5p4.(3P1).6d 2[2]3/2 214018.11
1981.468 Cs III 5 - 5s2.5p4.(3P2).5d 2[4]9/2 125926.848 5s2.5p4.(3P2).4f 2[5]°9/2 176394.478
1981.9988 Cs II - - 5p5.(2P°1/2).5d 2[3/2]°2 128320.1051 5p5.(2P°3/2).8f 2[3/2]2 178774.162
1983.35 Cs II - - 5p5.(2P°1/2).5d 2[3/2]°2 128320.1051 5p5.(2P°3/2).8f 2[3/2]1 178739.8932
1983.6124 Cs II - - 5p5.(2P°3/2).5d 2[5/2]°2 115675.5328 5p5.(2P°3/2).5f 2[3/2]2 166088.6464
1983.6476 Cs III 4 - 5s2.5p4.(3P0).5d 2[2]3/2 135747.85 5s2.5p4.(3P1).4f 2[2]°5/2 186160.02
1983.969 Cs II - - 5p5.(2P°3/2).5d 2[3/2]°1 123645.5813 5p5.(2P°3/2).9p 2[3/2]2 174049.6148
1984.203 Cs III - - 5s2.5p4.(1D2).6s 2[2]5/2 156698.493 5s2.5p4.(1S0).6p 2[1]°3/2 207096.599
1985.3968 Cs II - - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).9d 2[5/2]°2 176895.2448
1986.048 Cs II - - 5p5.(2P°3/2).6s 2[3/2]°2 107401.5602 5p5.(2P°3/2).4f 2[5/2]2 157752.7176
1988.1764 Cs II - - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).9d 2[3/2]°2 176824.9052
1989. Cs III - - 5s2.5p4.(1D2).6s 2[2]3/2 156820.269 5s2.5p4.(1S0).6p 2[1]°3/2 207096.599
1989.2588 Cs III - - 5s2.5p4.(3P2).4f 2[5]°11/2 175048.447 5s2.5p4.(3P2).7d 2[4]9/2 225318.454
1990.134 Cs III 2 - 5s2.5p4.(3P2).5d 2[2]3/2 121065.66 5s2.5p4.(3P0).6p 2[1]°1/2 171313.524
1990.85 Cs II - - 5p5.(2P°3/2).6p 2[5/2]3 129116.707 5p5.(2P°3/2).10d 2[5/2]°3 179346.5106
1991.429 Cs II - - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).9d 2[1/2]°1 176742.7319
1991.895 Cs III 4 - 5s2.5p4.(3P1).5d 2[1]1/2 133265.831 5s2.5p4.(1D2).6p 2[1]°3/2 183469.263
1992.506 Cs II - - 5p5.(2P°3/2).6p 2[3/2]2 130775.1451 5p5.(2P°3/2).11d 2[5/2]°3 180963.258
1993.415 Cs II - - 5p5.(2P°3/2).5d 2[3/2]°1 123645.5813 5p5.(2P°3/2).9p 2[5/2]2 173810.796
1993.507 Cs II - - 5p5.(2P°3/2).6p 2[1/2]1 126527.5324 5p5.(2P°3/2).9d 2[1/2]°0 176690.3472
1993.878 Cs II - - 5p5.(2P°3/2).6p 2[3/2]2 130775.1451 5p5.(2P°3/2).11d 2[5/2]°2 180928.695
1994.134 Cs II - - 5p5.(2P°3/2).6p 2[5/2]3 129116.707 5p5.(2P°3/2).10d 2[7/2]°3 179263.951
1994.287 Cs II - - 5p5.(2P°3/2).5d 2[1/2]°1 107914.1587 5p5.(2P°3/2).7p 2[1/2]0 158057.4164
1994.493 Cs II - - 5p5.(2P°3/2).6p 2[5/2]3 129116.707 5p5.(2P°3/2).10d 2[7/2]°4 179254.768
1994.962 Cs III - - 5s2.5p4.(3P2).6s 2[2]5/2 133343.034 5s2.5p4.(1D2).6p 2[1]°3/2 183469.263
1995.373 Cs II - - 5p5.(2P°3/2).5d 2[5/2]°2 115675.5328 5p5.(2P°3/2).5f 2[3/2]1 165791.504
1996.564 Cs III 8 - 5s2.5p4.(3P2).5d 2[0]1/2 132419.196 5s2.5p4.(3P1).4f 2[2]°3/2 182505.26
1997.91 Cs II - - 5p5.(2P°3/2).6s 2[3/2]°2 107401.5602 5p5.(2P°3/2).4f 2[7/2]3 157453.8634
1999.196 Cs III - - 5s2.5p4.(1D2).5d 2[2]5/2 162863.218 5s2.5p4.(3P2).5f 2[1]°3/2 212883.345
1999.418 Cs III - - 5s2.5p4.(3P1).6p 2[1]°3/2 177921.836 5s2.5p4.(3P2).5g 2[2]3/2 227920.278
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