Here you find various information on the brightest lines, ordered in wavelength:
Wavelengths (Angstroms); weighted oscillator strengths (gf);
transition probabilities (A);
intensities (normalised) at
106 , 1010, 1015, 1020
cm-3;
together with:
Configuration; Term; Index of the level (1=ground); Energy (observed if available - otherwise theoretical);
of the lower (l) and upper levels (u)
Note that intensities have been calculated at log T[K]=7.00, where the ion fraction peaks in ionization equilibrium. Only lines brighter than 0.001 the strongest line (at all densities) are retained.
Lines flagged with a "*" before their wavelengths only have theoretical energy levels.
Please note that their wavelengths are not very accurate.
Wavelength |
gf |
Aul |
R |
R |
R |
R |
Cl |
Tl |
Cu | Tu |
Il | Iu |
El | Eu |
(A) | (s-1) |
(106) |
(1010) |
(1015) |
(1020) |
(cm-1) | (cm-1) |
|||||||
| * 3.1996 | 5.76e-02 | 1.25e+13 | 1.91e-03 | 1.91e-03 | 1.97e-03 | 2.12e-03 | 1s2 | 1S0 | 1s.4f | 1F3 | 1 | 31 | 0 | 31254385 |
| 3.2011 | 9.91e-04 | 2.15e+11 | 1.80e-03 | 1.80e-03 | 1.83e-03 | 1.48e-03 | 1s2 | 1S0 | 1s.4p | 3P1 | 1 | 21 | 0 | 31239620 |
| 3.3653 | 1.54e-01 | 3.02e+13 | 1.49e-02 | 1.49e-02 | 1.55e-02 | 2.02e-02 | 1s2 | 1S0 | 1s.3d | 1D2 | 1 | 17 | 0 | 29715070 |
| 3.3695 | 2.51e-03 | 4.91e+11 | 6.72e-03 | 6.72e-03 | 6.98e-03 | 6.31e-03 | 1s2 | 1S0 | 1s.3p | 3P1 | 1 | 10 | 0 | 29678060 |
| * 3.7554 | 3.84e-01 | 6.05e+13 | 1.56e-03 | 1.56e-03 | 1.55e-03 | 1.08e-03 | 1s.2s | 1S0 | 2s.2p | 1P1 | 5 | 135 | 25200957 | 51829210 |
| * 3.7720 | 1.23e+00 | 1.15e+14 | 4.72e-03 | 4.72e-03 | 4.70e-03 | 3.26e-03 | 1s.2p | 1P1 | 2p2 | 1D2 | 7 | 136 | 25322513 | 51833659 |
| 3.9491 | 7.61e-01 | 1.09e+14 | 1.00e+00 | 1.00e+00 | 1.00e+00 | 1.00e+00 | 1s2 | 1S0 | 1s.2p | 1P1 | 1 | 7 | 0 | 25322525 |
| 3.9659 | 0.00e+00 | 3.11e+08 | 2.08e-01 | 2.08e-01 | 2.57e-01 | 1.59e-03 | 1s2 | 1S0 | 1s.2p | 3P2 | 1 | 6 | 0 | 25215228 |
| 3.9694 | 1.17e-02 | 1.65e+12 | 2.13e-01 | 2.13e-01 | 2.79e-01 | 5.20e-01 | 1s2 | 1S0 | 1s.2p | 3P1 | 1 | 4 | 0 | 25193006 |
| 3.9941 | 3.19e-08 | 4.45e+06 | 5.52e-01 | 5.52e-01 | 4.27e-01 | 1.40e-05 | 1s2 | 1S0 | 1s.2s | 3S1 | 1 | 2 | 0 | 25036647 |
| 14.4400 | 6.29e-02 | 4.03e+11 | 1.04e-03 | 1.04e-03 | 1.06e-03 | 9.48e-04 | 1s.2s | 3S1 | 1s.5p | 3P2 | 2 | 36 | 25036647 | 31961850 |
| 16.1141 | 1.56e-01 | 8.02e+11 | 2.54e-03 | 2.54e-03 | 2.59e-03 | 2.37e-03 | 1s.2s | 3S1 | 1s.4p | 3P2 | 2 | 22 | 25036647 | 31242390 |
| 16.1213 | 9.20e-02 | 7.87e+11 | 1.31e-03 | 1.31e-03 | 1.33e-03 | 1.07e-03 | 1s.2s | 3S1 | 1s.4p | 3P1 | 2 | 21 | 25036647 | 31239620 |
| * 16.5618 | 5.11e-01 | 1.77e+12 | 7.67e-04 | 7.67e-04 | 8.13e-04 | 1.94e-03 | 1s.2p | 3P2 | 1s.4d | 3D3 | 6 | 25 | 25215224 | 31253205 |
| 21.5147 | 6.47e-01 | 1.87e+12 | 8.15e-03 | 8.15e-03 | 8.47e-03 | 9.80e-03 | 1s.2s | 3S1 | 1s.3p | 3P2 | 2 | 12 | 25036647 | 29684630 |
| 21.5452 | 3.81e-01 | 1.83e+12 | 3.92e-03 | 3.92e-03 | 4.07e-03 | 3.68e-03 | 1s.2s | 3S1 | 1s.3p | 3P1 | 2 | 10 | 25036647 | 29678060 |
| 21.5522 | 1.29e-01 | 1.85e+12 | 1.63e-03 | 1.63e-03 | 1.69e-03 | 2.04e-03 | 1s.2s | 3S1 | 1s.3p | 3P0 | 2 | 9 | 25036647 | 29676540 |
| * 22.1097 | 6.81e-01 | 3.10e+12 | 1.57e-03 | 1.57e-03 | 1.66e-03 | 3.24e-03 | 1s.2p | 3P0 | 1s.3d | 3D1 | 3 | 13 | 25187807 | 29710712 |
| 22.1194 | 1.80e-01 | 4.91e+11 | 2.02e-04 | 2.02e-04 | 2.38e-04 | 1.09e-03 | 1s.2p | 3P1 | 1s.3d | 3D3 | 4 | 16 | 25193006 | 29713920 |
| * 22.1324 | 1.36e+00 | 3.70e+12 | 1.34e-03 | 1.34e-03 | 1.49e-03 | 2.96e-03 | 1s.2p | 3P1 | 1s.3d | 3D2 | 4 | 14 | 25192927 | 29711184 |
| * 22.1347 | 5.03e-01 | 2.28e+12 | 1.15e-03 | 1.15e-03 | 1.22e-03 | 2.38e-03 | 1s.2p | 3P1 | 1s.3d | 3D1 | 4 | 13 | 25192927 | 29710712 |
| 22.2296 | 2.85e+00 | 5.48e+12 | 2.25e-02 | 2.25e-02 | 2.24e-02 | 1.64e-02 | 1s.2p | 3P2 | 1s.3p | 1P1 | 6 | 15 | 25215228 | 29713740 |
| 22.5132 | 4.74e-02 | 2.08e+11 | 1.45e-03 | 1.45e-03 | 1.57e-03 | 1.55e-03 | 1s.2p | 3P1 | 1s.3s | 3S1 | 4 | 8 | 25193006 | 29634850 |
| 22.6264 | 7.97e-02 | 3.46e+11 | 2.41e-03 | 2.41e-03 | 2.59e-03 | 2.56e-03 | 1s.2p | 3P2 | 1s.3s | 3S1 | 6 | 8 | 25215228 | 29634850 |
| 22.7718 | 1.78e+00 | 4.58e+12 | 1.83e-03 | 1.83e-03 | 2.16e-03 | 9.85e-03 | 1s.2p | 1P1 | 1s.3d | 3D3 | 7 | 16 | 25322525 | 29713920 |
| 22.9585 | 5.01e-02 | 6.34e+11 | 4.14e-03 | 4.14e-03 | 4.12e-03 | 3.16e-03 | 1s.2p | 1P1 | 1s.3s | 1S0 | 7 | 11 | 25322525 | 29678210 |
| 64.9120 | 6.52e+00 | 1.15e+12 | 1.78e-03 | 1.78e-03 | 1.77e-03 | 1.29e-03 | 1s.3p | 1P1 | 1s.4p | 1P1 | 15 | 29 | 29713740 | 31254280 |
| 559.9700 | 8.21e-02 | 3.49e+08 | 1.65e-03 | 1.65e-03 | 2.04e-03 | 1.26e-05 | 1s.2s | 3S1 | 1s.2p | 3P2 | 2 | 6 | 25036647 | 25215228 |
Created by Giulio Del Zanna on Wed Apr 16 17:42:08 2025