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]=6.85, 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) |
|||||||
| 3.9978 | 2.86e-02 | 3.98e+12 | 1.40e-02 | 1.40e-02 | 1.39e-02 | 1.09e-02 | 1s2 | 1S0 | 1s.5p | 1P1 | 1 | 49 | 0 | 25014007 |
| 4.0885 | 5.84e-02 | 7.76e+12 | 3.19e-02 | 3.19e-02 | 3.17e-02 | 2.52e-02 | 1s2 | 1S0 | 1s.4p | 1P1 | 1 | 31 | 0 | 24458842 |
| 4.0906 | 5.23e-04 | 6.95e+10 | 9.53e-04 | 9.53e-04 | 1.01e-03 | 1.01e-03 | 1s2 | 1S0 | 1s.4p | 3P1 | 1 | 20 | 0 | 24446570 |
| 4.2991 | 1.55e-01 | 1.87e+13 | 1.07e-01 | 1.07e-01 | 1.06e-01 | 8.69e-02 | 1s2 | 1S0 | 1s.3p | 1P1 | 1 | 17 | 0 | 23260416 |
| 4.3047 | 1.32e-03 | 1.58e+11 | 3.84e-03 | 3.84e-03 | 4.26e-03 | 5.12e-03 | 1s2 | 1S0 | 1s.3p | 3P1 | 1 | 10 | 0 | 23230551 |
| * 4.7611 | 3.82e-01 | 3.75e+13 | 1.18e-03 | 1.18e-03 | 1.17e-03 | 8.76e-04 | 1s.2s | 1S0 | 2s.2p | 1P1 | 5 | 136 | 19745459 | 40749086 |
| * 4.7849 | 1.25e+00 | 7.26e+13 | 3.65e-03 | 3.65e-03 | 3.61e-03 | 2.71e-03 | 1s.2p | 1P1 | 2p2 | 1D2 | 7 | 135 | 19846432 | 40745409 |
| 5.0387 | 7.62e-01 | 6.68e+13 | 1.00e+00 | 1.00e+00 | 1.00e+00 | 1.00e+00 | 1s2 | 1S0 | 1s.2p | 1P1 | 1 | 7 | 0 | 19846410 |
| 5.0631 | 0.00e+00 | 1.17e+08 | 1.08e-01 | 1.08e-01 | 2.06e-01 | 9.96e-04 | 1s2 | 1S0 | 1s.2p | 3P2 | 1 | 6 | 0 | 19750606 |
| 5.0667 | 6.02e-03 | 5.22e+11 | 2.14e-01 | 2.14e-01 | 4.05e-01 | 5.73e-01 | 1s2 | 1S0 | 1s.2p | 3P1 | 1 | 4 | 0 | 19736790 |
| 5.1015 | 1.54e-08 | 1.32e+06 | 5.60e-01 | 5.60e-01 | 2.54e-01 | 5.89e-06 | 1s2 | 1S0 | 1s.2s | 3S1 | 1 | 2 | 0 | 19602106 |
| 18.4962 | 6.22e-02 | 2.43e+11 | 1.00e-03 | 1.00e-03 | 1.04e-03 | 1.13e-03 | 1s.2s | 3S1 | 1s.5p | 3P2 | 2 | 36 | 19602106 | 25008632 |
| 19.0020 | 1.87e-01 | 4.93e+11 | 3.44e-04 | 3.44e-04 | 3.83e-04 | 1.28e-03 | 1s.2p | 3P2 | 1s.5d | 3D3 | 6 | 39 | 19750606 | 25013202 |
| 20.6352 | 1.55e-01 | 4.84e+11 | 2.40e-03 | 2.40e-03 | 2.54e-03 | 3.07e-03 | 1s.2s | 3S1 | 1s.4p | 3P2 | 2 | 22 | 19602106 | 24448199 |
| 20.6421 | 9.19e-02 | 4.80e+11 | 1.30e-03 | 1.30e-03 | 1.38e-03 | 1.39e-03 | 1s.2s | 3S1 | 1s.4p | 3P1 | 2 | 20 | 19602106 | 24446570 |
| * 21.1874 | 2.54e-01 | 7.54e+11 | 3.91e-04 | 3.91e-04 | 4.51e-04 | 1.08e-03 | 1s.2p | 3P1 | 1s.4d | 3D2 | 4 | 24 | 19736761 | 24456549 |
| 21.2469 | 5.11e-01 | 1.08e+12 | 7.68e-04 | 7.68e-04 | 9.05e-04 | 4.02e-03 | 1s.2p | 3P2 | 1s.4d | 3D3 | 6 | 25 | 19750606 | 24457176 |
| 27.5306 | 6.40e-01 | 1.13e+12 | 7.94e-03 | 7.94e-03 | 8.84e-03 | 1.47e-02 | 1s.2s | 3S1 | 1s.3p | 3P2 | 2 | 12 | 19602106 | 23234429 |
| 27.5600 | 3.80e-01 | 1.11e+12 | 4.21e-03 | 4.21e-03 | 4.67e-03 | 5.61e-03 | 1s.2s | 3S1 | 1s.3p | 3P1 | 2 | 10 | 19602106 | 23230551 |
| 27.5675 | 1.28e-01 | 1.12e+12 | 1.58e-03 | 1.58e-03 | 1.76e-03 | 2.81e-03 | 1s.2s | 3S1 | 1s.3p | 3P0 | 2 | 9 | 19602106 | 23229571 |
| 28.4068 | 6.79e-01 | 1.87e+12 | 5.02e-04 | 5.02e-04 | 7.74e-04 | 4.34e-03 | 1s.2p | 3P0 | 1s.3d | 3D1 | 3 | 13 | 19734326 | 23254611 |
| 28.4264 | 1.37e+00 | 2.26e+12 | 1.06e-03 | 1.06e-03 | 1.52e-03 | 6.02e-03 | 1s.2p | 3P1 | 1s.3d | 3D2 | 4 | 14 | 19736790 | 23254645 |
| 28.4267 | 5.05e-01 | 1.39e+12 | 3.73e-04 | 3.73e-04 | 5.75e-04 | 3.22e-03 | 1s.2p | 3P1 | 1s.3d | 3D1 | 4 | 13 | 19736790 | 23254611 |
| 28.5261 | 2.84e+00 | 3.33e+12 | 2.08e-03 | 2.08e-03 | 3.21e-03 | 2.47e-02 | 1s.2p | 3P2 | 1s.3d | 3D3 | 6 | 15 | 19750606 | 23256165 |
| 28.5385 | 4.16e-01 | 6.82e+11 | 3.19e-04 | 3.19e-04 | 4.56e-04 | 1.81e-03 | 1s.2p | 3P2 | 1s.3d | 3D2 | 6 | 14 | 19750606 | 23254645 |
| 28.9321 | 4.81e-02 | 1.28e+11 | 1.42e-03 | 1.42e-03 | 1.74e-03 | 2.18e-03 | 1s.2p | 3P1 | 1s.3s | 3S1 | 4 | 8 | 19736790 | 23193163 |
| 29.0482 | 8.05e-02 | 2.12e+11 | 2.33e-03 | 2.33e-03 | 2.87e-03 | 3.60e-03 | 1s.2p | 3P2 | 1s.3s | 3S1 | 6 | 8 | 19750606 | 23193163 |
| 29.3188 | 1.83e+00 | 2.84e+12 | 1.52e-03 | 1.52e-03 | 1.73e-03 | 3.61e-03 | 1s.2p | 1P1 | 1s.3d | 1D2 | 7 | 16 | 19846410 | 23257195 |
| 29.3407 | 2.62e-01 | 4.06e+11 | 1.85e-04 | 1.85e-04 | 2.64e-04 | 1.05e-03 | 1s.2p | 1P1 | 1s.3d | 3D2 | 7 | 14 | 19846410 | 23254645 |
| 29.5449 | 5.13e-02 | 3.92e+11 | 4.09e-03 | 4.09e-03 | 4.07e-03 | 3.40e-03 | 1s.2p | 1P1 | 1s.3s | 1S0 | 7 | 11 | 19846410 | 23231087 |
| 673.4010 | 8.76e-02 | 2.58e+08 | 1.79e-03 | 1.79e-03 | 3.41e-03 | 1.65e-05 | 1s.2s | 3S1 | 1s.2p | 3P2 | 2 | 6 | 19602106 | 19750606 |
| 756.3150 | 1.56e-02 | 1.82e+08 | 4.66e-04 | 4.66e-04 | 8.94e-04 | 2.02e-06 | 1s.2s | 3S1 | 1s.2p | 3P0 | 2 | 3 | 19602106 | 19734326 |
Created by Giulio Del Zanna on Wed Apr 16 17:44:15 2025