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]=7.10, 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) |
|||||||
| 2.7960 | 2.53e-02 | 7.20e+12 | 1.33e-02 | 1.33e-02 | 1.33e-02 | 1.33e-02 | 1s2 | 1S0 | 1s.5p | 1P1 | 1 | 37 | 0 | 35765192 |
| 2.8600 | 5.26e-02 | 1.43e+13 | 3.15e-02 | 3.15e-02 | 3.15e-02 | 3.15e-02 | 1s2 | 1S0 | 1s.4p | 1P1 | 1 | 23 | 0 | 34964920 |
| * 2.8612 | 1.29e-03 | 3.49e+11 | 1.93e-03 | 1.93e-03 | 1.93e-03 | 1.93e-03 | 1s2 | 1S0 | 1s.4p | 3P1 | 1 | 21 | 0 | 34950880 |
| 3.0087 | 1.44e-01 | 3.54e+13 | 1.09e-01 | 1.09e-01 | 1.09e-01 | 1.09e-01 | 1s2 | 1S0 | 1s.3p | 1P1 | 1 | 13 | 0 | 33237140 |
| 3.0122 | 3.28e-03 | 8.02e+11 | 7.38e-03 | 7.38e-03 | 7.38e-03 | 7.38e-03 | 1s2 | 1S0 | 1s.3p | 3P1 | 1 | 11 | 0 | 33198160 |
| 3.5320 | 7.56e-01 | 1.35e+14 | 1.00e+00 | 1.00e+00 | 1.00e+00 | 1.00e+00 | 1s2 | 1S0 | 1s.2p | 1P1 | 1 | 7 | 0 | 28312910 |
| 3.5460 | 0.00e+00 | 4.92e+08 | 1.53e-01 | 1.53e-01 | 1.53e-01 | 1.41e-01 | 1s2 | 1S0 | 1s.2p | 3P2 | 1 | 6 | 0 | 28200800 |
| 3.5495 | 1.71e-02 | 3.02e+12 | 1.79e-01 | 1.79e-01 | 1.79e-01 | 1.79e-01 | 1s2 | 1S0 | 1s.2p | 3P1 | 1 | 5 | 0 | 28172670 |
| 3.5708 | 0.00e+00 | 8.30e+06 | 3.83e-01 | 3.83e-01 | 3.83e-01 | 4.93e-02 | 1s2 | 1S0 | 1s.2s | 3S1 | 1 | 2 | 0 | 28004980 |
| 12.8967 | 6.31e-02 | 5.06e+11 | 1.32e-03 | 1.32e-03 | 1.32e-03 | 1.32e-03 | 1s.2s | 3S1 | 1s.5p | 3P2 | 2 | 36 | 28004980 | 35758880 |
| * 14.3989 | 1.55e-01 | 9.99e+11 | 3.02e-03 | 3.02e-03 | 3.02e-03 | 3.02e-03 | 1s.2s | 3S1 | 1s.4p | 3P2 | 2 | 22 | 28009812 | 34954804 |
| * 14.4070 | 9.09e-02 | 9.74e+11 | 1.07e-03 | 1.07e-03 | 1.07e-03 | 1.07e-03 | 1s.2s | 3S1 | 1s.4p | 3P1 | 2 | 21 | 28009812 | 34950880 |
| 15.0704 | 9.13e-03 | 2.68e+11 | 1.07e-03 | 1.07e-03 | 1.07e-03 | 1.07e-03 | 1s.2p | 1P1 | 1s.4s | 1S0 | 7 | 19 | 28312910 | 34948420 |
| 19.2249 | 6.25e-01 | 2.25e+12 | 9.66e-03 | 9.66e-03 | 9.66e-03 | 9.66e-03 | 1s.2s | 3S1 | 1s.3p | 3P2 | 2 | 12 | 28004980 | 33206560 |
| 19.2560 | 3.66e-01 | 2.19e+12 | 3.15e-03 | 3.15e-03 | 3.15e-03 | 3.15e-03 | 1s.2s | 3S1 | 1s.3p | 3P1 | 2 | 11 | 28004980 | 33198160 |
| 19.2628 | 1.25e-01 | 2.24e+12 | 1.30e-03 | 1.30e-03 | 1.30e-03 | 1.30e-03 | 1s.2s | 3S1 | 1s.3p | 3P0 | 2 | 10 | 28004980 | 33196320 |
| * 19.8875 | 1.62e+00 | 3.92e+12 | 1.17e-03 | 1.17e-03 | 1.17e-03 | 1.17e-03 | 1s.2p | 3P2 | 1s.3d | 3D3 | 6 | 16 | 28215142 | 33243416 |
| 20.1974 | 3.78e-02 | 2.06e+11 | 2.70e-03 | 2.70e-03 | 2.70e-03 | 2.70e-03 | 1s.2p | 3P2 | 1s.3s | 3S1 | 6 | 8 | 28200800 | 33151930 |
| 20.4701 | 4.07e-02 | 6.48e+11 | 4.55e-03 | 4.55e-03 | 4.55e-03 | 4.55e-03 | 1s.2p | 1P1 | 1s.3s | 1S0 | 7 | 9 | 28312910 | 33198090 |
Created by Giulio Del Zanna on Wed Apr 16 17:43:23 2025