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
2002.917 Mg III 20 - 2s2.2p5.3d 12 534776.9 2s2.2p5.(2P°3/2).4f 2[7/2]3 584687.9
2003.8 Mg IX 10 - 1s2.2p.3p 3D3 1758970 1s2.2p.3d 33 1808860
2004.86 Mg III 60 - 2s2.2p5.3s 32 425640.3 2s2.2p5.3p 3D1 475502.9
2007.623 Mg III 10 - 2s2.2p5.3d 12 534776.9 2s2.2p5.(2P°3/2).4f 2[5/2]2 584571.1
2007.906 Mg III 10 - 2s2.2p5.3d 12 534776.9 2s2.2p5.(2P°3/2).4f 2[5/2]3 584563.9
2008.771 Mg III 20 - 2s2.2p5.3d 33 534923.6 2s2.2p5.(2P°3/2).4f 2[7/2]4 584689.2
2011.76 Mg IV 10 - 2s2.2p4.(3P).3s 2P1/2 555341.9 2s2.2p4.(3P).3p 41/2 605033.5
2013.546 Mg III 10 - 2s2.2p5.3d 33 534923.6 2s2.2p5.(2P°3/2).4f 2[5/2]2 584571.1
2013.838 Mg III 10 - 2s2.2p5.3d 33 534923.6 2s2.2p5.(2P°3/2).4f 2[5/2]3 584563.9
2013.91 Mg II 10 - 2p5.(2P°).3s.3p.(3P°) 4P5/2 437570 2p5.(2P°).3s.4s.(3S) 45/2 487205
2016.752 Mg III 10 - 2s2.2p5.3d 12 534776.9 2s2.2p5.(2P°3/2).4f 2[3/2]1 584345.7
2017.927 Mg III 10 - 2s2.2p5.3d 33 534923.6 2s2.2p5.(2P°3/2).4f 2[9/2]4 584463.5
2019.217 Mg III 10 - 2s2.2p5.3d 32 535179.6 2s2.2p5.(2P°3/2).4f 2[7/2]3 584687.9
2020.69 Mg IV 10 - 2s2.2p4.(3P).3s 2P3/2 553666.1 2s2.2p4.(3P).3p 47/2 603138.1
2022.404 Mg III 10 - 2s2.2p5.3d 33 534923.6 2s2.2p5.(2P°3/2).4f 2[3/2]2 584354.1
2023.98 Mg III 10 - 2s2.2p5.3d 32 535179.6 2s2.2p5.(2P°3/2).4f 2[5/2]2 584571.1
2024.285 Mg III 20 - 2s2.2p5.3d 32 535179.6 2s2.2p5.(2P°3/2).4f 2[5/2]3 584563.9
2025.824 Mg I 90 - 2p6.3s2 1S0 0 3s.4p 11 49346.729
2026.88 Mg IV 10 - 2s2.2p4.(3P).3s 2P1/2 555341.9 2s2.2p4.(3P).3p 43/2 604662.9
2028.32 Mg II 10 - 2p5.(2P°).3s.3p.(3P°) 4P5/2 437570 2p5.(2P°).3p2.(3P) 47/2 486856
2032.923 Mg III 20 - 2s2.2p5.3d 32 535179.6 2s2.2p5.(2P°3/2).4f 2[3/2]2 584354.1
2033.272 Mg III 10 - 2s2.2p5.3d 32 535179.6 2s2.2p5.(2P°3/2).4f 2[3/2]1 584345.7
2039.55 Mg III 10 - 2s2.2p5.3s 32 425640.3 2s2.2p5.3p 3D2 474655
2039.553 Mg III 150 - 2s2.2p5.3s 32 425640.3 2s2.2p5.3p 3D2 474655
2044.8 Mg IX 10 - 1s2.2p.3p 3D3 1758970 1s2.2p.3d 32 1807860
2054.37 Mg IV 10 - 2s2.2p4.(3P).3s 2P1/2 555341.9 2s2.2p4.(3P).3p 45/2 604003.1
2054.6 Mg V 10 - 2s.2p4.(4P).3s 3P1 941944 2s2.2p3.(2P°).4s 30 990600
2055.48 Mg III 10 - 2s2.2p5.3s 31 426868.1 2s2.2p5.3p 3D1 475502.9
2055.491 Mg III 150 - 2s2.2p5.3s 31 426868.1 2s2.2p5.3p 3D1 475502.9
2055.7 Mg VI 10 - 2s.2p3.(3D°).3s 25/2 1150840 2s2.2p2.(3P).4s 2P3/2 1199470
2064.902 Mg III 255 - 2s2.2p5.3s 32 425640.3 2s2.2p5.3p 3D3 474053.2
2064.91 Mg III 10 - 2s2.2p5.3s 32 425640.3 2s2.2p5.3p 3D3 474053.2
2074.298 Mg III 10 - 2s2.2p5.3d 11 536152 2s2.2p5.(2P°3/2).4f 2[3/2]1 584345.7
2084.1 Mg V 10 - 2s.2p4.(4P).3s 3P0 942634 2s2.2p3.(2P°).4s 31 990600
2084.535 Mg I 10 - 2p6.3s2 1S0 0 3s.3d 3D1 47957.058
2084.537 Mg I 10 - 2p6.3s2 1S0 0 3s.3d 3D2 47957.027
2085.891 Mg III 150 - 2s2.2p5.3s 11 431530 2s2.2p5.3p 3P1 479456
2087. Mg VIII 10 - 2s2.3d 2D3/2 1335860 2s.2p.(3P°).3s 23/2 1383760
2089.149 Mg I 10 - 2p6.3s2 1S0 0 3s.4p 32 47851.162
2091.96 Mg III 10 - 2s2.2p5.3s 31 426868.1 2s2.2p5.3p 3D2 474655
2091.963 Mg III 195 - 2s2.2p5.3s 31 426868.1 2s2.2p5.3p 3D2 474655
2094.207 Mg III 20 - 2s2.2p5.3s 11 431530 2s2.2p5.3p 3P0 479265.3
2094.5 Mg VIII 10 - 2s2.3d 2D5/2 1336030 2s.2p.(3P°).3s 23/2 1383760
2097.936 Mg III 135 - 2s2.2p5.3s 30 427852.1 2s2.2p5.3p 3D1 475502.9
2112.773 Mg III 150 - 2s2.2p5.3s 11 431530 2s2.2p5.3p 3P2 478846.1
2118.64 Mg III 10 - 2s2.2p5.3s 31 426868.1 2s2.2p5.3p 3D3 474053.2
2134.054 Mg III 165 - 2s2.2p5.3s 11 431530 2s2.2p5.3p 1P1 478374.5
2135.95 Mg III 10 - 2s2.2p5.3s 30 427852.1 2s2.2p5.3p 3D2 474655
2154.353 Mg I 10 - 2p6.3s2 1S0 0 3s.3d 1D2 46403.065
2156.4 Mg VIII 10 - 2s.2p.(3P°).3p 2D3/2 1440610 2s.2p.(1P°).3s 23/2 1486970
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