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
5044.66 Np I 300 241
5380.98 Np 2000 1948
5601.7 Np I 300 299
5652.75 Np I 300 297
5784.39 Np I 300 283
5878.04 Np I 1000 883
6011.22 Np I 300 235
6056.09 Np I 300 221
6073.9 Np I 300 219
6080.05 Np I 300 216
6120.49 Np I 300 204
6188.59 Np I 300 184
6200. Np I 300 181
6215.9 Np I 300 175
6317.84 Np I 300 145
6341.38 Np I 300 139
6566.11 Np I 300 79
6720.68 Np I 300 49
6751.32 Np I 300 44
6795.21 Np I 300 37
6802.62 Np I 300 37
6805.81 Np I 300 35
6816.44 Np I 300 34
6865.45 Np I 300 28
6907.13 Np I 300 24
6912.91 Np I 300 24
6930.31 Np I 1000 72
6963.63 Np I 300 19
6972.09 Np I 3000 182
7014.02 Np I 300 15
7018.91 Np I 300 15
7039.14 Np I 300 13
7080.01 Np I 300 11
7174.83 Np I 300 7
7184.93 Np I 300 6
7284.28 Np I 300 4
7292.29 Np I 300 3
7332.52 Np I 300 3
7370.6 Np I 300 2
7381.03 Np I 300 2
7381.65 Np I 300 2
7402.7 Np I 300 2
7512.22 Np I 300 1
7515.15 Np I 300 1
7546.05 Np I 300 1
7624.83 Np I 300 -
7626.85 Np I 300 -
7681.01 Np I 300 -
7685.25 Np I 300 -
7735.14 Np I 1000 1
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