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
6744.88 Eu I 135 20 4f7.(8S°).5d (9D°).6s a 811/2 16079.76 4f7.(8S°).5d (9D°).6p z 8D9/2 30901.84
6782.54 Eu I 180 24 4f7.(8S°).5d (9D°).6s a 811/2 16079.76 4f6.(7F).5d.6s2 8D11/2 30819.44
6787.48 Eu I 55 7 4f7.(8S°).6s.6p.(3P°) z 8P5/2 15890.53 4f7.(8S°).6s (7S°).7s e 65/2 30619.49
6802.72 Eu I 990 122 4f7.(8S°).6s.6p.(3P°) z 10P7/2 14067.86 4f7.(8S°).6s (9S°).7s e 109/2 28763.82
6816.06 Eu I 330 38 4f7.(8S°).6s.6p.(3P°) z 8P7/2 15952.31 4f7.(8S°).6s (7S°).7s e 65/2 30619.49
6834.3 Eu I 80 9 4f7.(8S°).6s.6p.(1P°) y 8P5/2 21444.58 4f7.(8S°).6s (7S°).6d g 85/2 36072.62
6840.93 Eu I 135 14 4f7.(8S°).6s.6p.(1P°) y 8P7/2 21605.17 4f7.(8S°).6s (7S°).6d g 89/2 36219
6844.83 Eu I 105 11 4f7.(8S°).6s.6p.(3P°) z 8P9/2 16611.79 4f7.(8S°).6s (7S°).7s f 87/2 31217.3
6847.04 Eu I 25 3 4f7.(8S°).6s.6p.(1P°) y 8P5/2 21444.58 4f7.(8S°).6s (7S°).6d g 83/2 36045.39
6864.54 Eu I 2500 247 4f7.6s2 a 87/2 0 4f7.(8S°).6s.6p.(3P°) z 10P9/2 14563.57
6898.21 Eu I 120 10 4f7.(8S°).6s.6p.(1P°) y 8P7/2 21605.17 4f7.(8S°).6s (7S°).6d g 87/2 36097.64
6903.67 Eu I 765 63 4f7.(8S°).6s.6p.(1P°) y 8P9/2 21761.26 4f7.(8S°).6s (7S°).6d g 811/2 36242.34
6910.17 Eu I 40 3 4f7.(8S°).6s.6p.(1P°) y 8P7/2 21605.17 4f7.(8S°).6s (7S°).6d g 85/2 36072.62
6914.82 Eu I 165 13 4f7.(8S°).6s.6p.(1P°) y 8P9/2 21761.26 4f7.(8S°).6s (7S°).6d g 89/2 36219
7040.2 Eu I 825 37 4f7.(8S°).6s.6p.(3P°) z 10P9/2 14563.57 4f7.(8S°).6s (9S°).7s e 109/2 28763.82
7074.54 Eu I 60 2 4f7.(8S°).5d (9D°).6s a 811/2 16079.76 4f7.(8S°).5d (9D°).6p z 10F13/2 30211.09
7077.1 Eu II 810 29
7106.48 Eu I 600 19 4f7.6s2 a 87/2 0 4f7.(8S°).6s.6p.(3P°) z 10P7/2 14067.86
7175.55 Eu I 195 4 4f7.(8S°).5d (9D°).6s a 89/2 15680.28 4f7.(8S°).5d (9D°).6p z 10F11/2 29612.69
7194.81 Eu II 660 14
7217.55 Eu II 660 11
7221.84 Eu III 40 1
7262.77 Eu I 180 3 4f7.(8S°).5d (9D°).6s a 87/2 15421.25 4f7.(8S°).5d (9D°).6p z 10F9/2 29186.32
7281.53 Eu I 45 1 4f7.(8S°).6s.6p.(1P°) y 8P5/2 21444.58 4f7.(8S°).5d2? 8P°?5/2 35174.2
7301.17 Eu II 645 7
7310.46 Eu I 25 - 4f7.(8S°).6s.6p.(1P°) y 8P7/2 21605.17 4f7.(8S°).5d2? 8P°?9/2 35280.43
7313.63 Eu I 55 1 4f7.(8S°).5d (9D°).6s a 85/2 15248.76 4f7.(8S°).5d (9D°).6p z 10F7/2 28918.17
7336.18 Eu I 270 2 4f7.(8S°).6s.6p.(3P°) z 8P5/2 15890.53 4f7.(8S°).6s (9S°).7s e 87/2 29517.86
7346.25 Eu I 20 - 4f7.(8S°).6s.6p.(1P°) y 8P5/2 21444.58 4f7.(8S°).5d2? 8P°?7/2 35053.23
7362.25 Eu I 45 - 4f7.(8S°).5d (9D°).6s a 85/2 15248.76 4f6.(7F).5d.6s2 8D7/2 28827.83
7369.6 Eu I 180 1 4f7.(8S°).6s.6p.(3P°) z 8P7/2 15952.31 4f7.(8S°).6s (9S°).7s e 87/2 29517.86
7370.22 Eu II 630 5
7387.36 Eu I 15 - 4f7.(8S°).5d (9D°).6s a 811/2 16079.76 4f7.(8S°).5d (9D°).6p z 10F11/2 29612.69
7389.16 Eu I 35 - 4f7.(8S°).5d (9D°).6s a 83/2 15137.72 4f7.(8S°).5d (9D°).6p z 10F5/2 28667.39
7426.57 Eu II 450 2
7470.53 Eu I 25 - 4f7.(8S°).5d (9D°).6s a 83/2 15137.72 4f7.(8S°).5d (9D°).6p z 10F3/2 28519.97
7528.7 Eu I 180 - 4f7.(8S°).6s.6p.(3P°) z 6P7/2 17340.65 4f7.(8S°).6s (7S°).7s e 65/2 30619.49
7533.02 Eu I 15 - 4f7.(8S°).5d (9D°).6s a 85/2 15248.76 4f7.(8S°).5d (9D°).6p z 10F3/2 28519.97
7547.32 Eu I 15 - 4f7.(8S°).5d (9D°).6s a 87/2 15421.25 4f7.(8S°).5d (9D°).6p z 10F5/2 28667.39
7583.91 Eu I 375 1 4f7.(8S°).6s.6p.(3P°) z 10P11/2 15581.58 4f7.(8S°).6s (9S°).7s e 109/2 28763.82
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