CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Si IX - VERSION 11.0.1


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]=6.05, 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)

* 233.6590 1.96e+00 4.78e+10 7.44e-06 4.91e-05 3.50e-05 2.67e-03 2s 2p2 3d 3D1 2s 2p2 4f 3F2 97 315 2024389.2 2452363.8
234.0440 2.72e-03 7.01e+07 4.71e-05 1.00e-04 1.23e-04 2.50e-04 2s 2p3 3D3 2p4 1D2 9 19 292232 719502
* 234.3600 1.43e+00 2.48e+10 4.13e-05 3.15e-05 2.31e-05 1.94e-03 2s 2p2 3d 3D2 2s 2p2 4f 3D3 99 314 2025092.4 2451785.5
* 237.5930 2.30e+00 5.43e+10 7.16e-08 2.11e-07 2.86e-07 1.40e-03 2p3 3d 1P1 2p3 4f 1D2 372 589 2522692 2943579.5
* 244.3670 6.09e-01 2.27e+10 1.13e-04 1.90e-04 1.91e-04 1.13e-03 2s2 2p 3p 1D2 2s 2p2 3p 1P1 33 145 1763594.4 2172814.5
* 247.0440 7.39e-01 1.61e+10 5.30e-05 7.85e-04 5.26e-04 1.64e-03 2s2 2p 3s 3P2 2s 2p2 3s 3P2 23 108 1637388.1 2042173.8
* 247.5330 3.49e-01 7.59e+09 8.85e-05 1.20e-04 8.54e-05 6.97e-04 2s2 2p 3p 3D2 2s 2p2 3p 3D2 27 129 1712446.8 2116433.2
* 248.2140 8.48e-01 1.31e+10 3.39e-05 2.00e-04 1.35e-04 1.41e-03 2s2 2p 3d 3F4 2s 2p2 3d 3D3 41 158 1808267.1 2211145.8
* 248.5360 8.66e-01 1.34e+10 5.12e-05 2.88e-04 2.07e-04 1.71e-03 2s2 2p 3p 3D3 2s 2p2 3p 3D3 28 130 1716566 2118922.2
* 249.6230 8.59e-01 1.84e+10 3.20e-05 4.06e-05 2.72e-05 1.26e-03 2s2 2p 3d 3D3 2s 2p2 3d 3P2 44 162 1825499.1 2226102.8
* 249.9690 7.00e-01 2.49e+10 3.91e-05 7.46e-05 5.87e-05 1.42e-03 2s2 2p 3s 1P1 2s 2p2 3s 1P1 24 112 1653138.1 2053187.6
* 252.7760 7.46e-01 1.56e+10 1.27e-04 2.35e-04 2.13e-04 1.28e-03 2s2 2p 3p 1D2 2s 2p2 3p 1D2 33 143 1763594.4 2159201.8
* 255.3230 7.10e-01 8.07e+09 6.64e-06 1.34e-04 9.05e-05 1.12e-03 2s2 2p 3d 3F4 2s 2p2 3d 3F4 41 152 1808267.1 2199928.2
* 256.4010 9.15e-01 1.85e+10 1.54e-05 5.15e-05 6.56e-05 1.22e-03 2s2 2p 3d 1F3 2s 2p2 3d 1D2 52 177 1856260 2246274.5
257.3090 1.52e-01 1.60e+10 5.11e-03 3.70e-03 3.44e-03 1.12e-02 2s 2p3 3D1 2p4 3P0 8 18 292441 681079
258.0800 8.83e-01 1.77e+10 6.14e-02 5.70e-01 1.00e+00 8.46e-02 2s2 2p2 1D2 2s 2p3 1D2 4 13 52925.9 440403
258.3950 3.39e-01 1.18e+10 3.56e-03 8.42e-03 7.74e-03 2.48e-02 2s 2p3 3D2 2p4 3P1 7 17 292296 679300
258.4920 1.29e-01 4.47e+09 1.35e-03 3.19e-03 2.93e-03 9.40e-03 2s 2p3 3D1 2p4 3P1 8 17 292441 679300
259.7700 1.77e-01 5.82e+09 6.44e-03 5.84e-02 1.21e-01 1.54e-02 2s2 2p2 1S0 2s 2p3 1P1 5 15 107799 492755
261.4160 6.72e-01 1.36e+10 1.18e-02 1.61e-02 1.50e-02 4.75e-02 2s 2p3 3D3 2p4 3P2 9 16 292232 674764
261.4600 1.44e-01 2.94e+09 2.55e-03 3.47e-03 3.24e-03 1.03e-02 2s 2p3 3D2 2p4 3P2 7 16 292296 674764
261.5590 1.12e-02 2.27e+08 1.97e-04 2.68e-04 2.50e-04 7.92e-04 2s 2p3 3D1 2p4 3P2 8 16 292441 674764
* 262.2240 4.80e-01 9.30e+09 4.42e-05 1.24e-04 1.28e-04 8.09e-04 2s2 2p 3p 3D3 2s 2p2 3p 3P2 28 115 1716566 2097919.8
* 275.0900 3.64e-01 6.41e+09 2.69e-05 3.69e-05 3.88e-04 5.42e-04 2s 2p2 3s 5P2 2p3 3s 5S2 35 142 1792395.1 2155912
* 277.5290 5.04e-01 8.73e+09 3.63e-05 4.99e-05 5.24e-04 7.32e-04 2s 2p2 3s 5P3 2p3 3s 5S2 37 142 1795589.1 2155912
* 281.8810 8.16e-01 9.78e+09 5.59e-06 7.91e-06 3.16e-05 1.01e-03 2s 2p2 3p 5D4 2p3 3p 5P3 58 167 1875651.5 2230411
* 282.8040 6.15e-01 7.33e+09 1.60e-05 3.03e-05 2.40e-04 6.85e-04 2s 2p2 3d 5F4 2p3 3d 5D3 75 218 1956429.1 2310031
* 284.3870 9.93e-01 9.12e+09 3.75e-05 4.71e-05 3.88e-04 1.09e-03 2s 2p2 3d 5F5 2p3 3d 5D4 76 219 1958545 2310178.8
290.6900 7.28e-02 1.92e+09 4.16e-01 2.16e-01 1.47e-01 5.82e-03 2s2 2p2 3P0 2s 2p3 3P1 1 11 0 344009
292.7630 7.81e-02 1.22e+09 1.33e-02 2.33e-01 1.57e-01 6.11e-03 2s2 2p2 3P1 2s 2p3 3P2 2 12 2545 344118
292.8000 7.81e-02 6.07e+09 2.45e-02 2.36e-01 1.54e-01 6.10e-03 2s2 2p2 3P1 2s 2p3 3P0 2 10 2545 344075
292.8570 7.08e-02 1.84e+09 3.96e-01 2.06e-01 1.40e-01 5.53e-03 2s2 2p2 3P1 2s 2p3 3P1 2 11 2545 344009
296.1170 3.08e-01 4.68e+09 5.06e-02 8.87e-01 6.00e-01 2.33e-02 2s2 2p2 3P2 2s 2p3 3P2 3 12 6414 344118
296.2130 8.94e-02 2.26e+09 4.83e-01 2.51e-01 1.71e-01 6.75e-03 2s2 2p2 3P2 2s 2p3 3P1 3 11 6414 344009
296.6740 5.80e-02 4.59e+09 1.27e-03 9.19e-04 8.56e-04 2.80e-03 2s 2p3 3P1 2p4 3P0 11 18 344009 681079
298.2480 2.78e-02 7.24e+08 1.89e-04 4.48e-04 4.11e-04 1.32e-03 2s 2p3 3P1 2p4 3P1 11 17 344009 679300
298.3070 5.21e-02 1.36e+09 3.56e-04 8.41e-04 7.73e-04 2.48e-03 2s 2p3 3P0 2p4 3P1 10 17 344075 679300
298.3450 8.65e-02 2.25e+09 5.88e-04 1.39e-03 1.28e-03 4.10e-03 2s 2p3 3P2 2p4 3P1 12 17 344118 679300
302.3390 7.00e-02 1.07e+09 8.03e-04 1.09e-03 1.02e-03 3.23e-03 2s 2p3 3P1 2p4 3P2 11 16 344009 674764
302.4380 1.72e-01 2.62e+09 1.97e-03 2.68e-03 2.49e-03 7.91e-03 2s 2p3 3P2 2p4 3P2 12 16 344118 674764
305.8720 3.68e-01 2.75e+10 1.11e-03 2.15e-03 3.15e-03 1.29e-02 2s 2p3 1P1 2p4 1S0 15 20 492755 819689
* 336.6770 3.21e-01 2.10e+09 2.11e-04 7.82e-04 1.02e-03 2.97e-04 2s2 2p 3p 3D3 2s 2p2 3p 3F4 28 95 1716566 2013586.8
341.9490 7.85e-02 1.49e+09 1.00e+00 2.76e-01 1.94e-01 4.15e-03 2s2 2p2 3P0 2s 2p3 3D1 1 8 0 292441
343.5450 3.30e-04 6.21e+06 1.14e-03 5.94e-04 4.04e-04 1.60e-05 2s2 2p2 1D2 2s 2p3 3P1 4 11 52925.9 344009
344.9510 4.68e-02 8.75e+08 5.81e-01 1.60e-01 1.13e-01 2.41e-03 2s2 2p2 3P1 2s 2p3 3D1 2 8 2545 292441
345.1240 1.74e-01 1.95e+09 8.84e-02 6.30e-01 4.24e-01 8.94e-03 2s2 2p2 3P1 2s 2p3 3D2 2 7 2545 292296
349.6170 2.00e-03 3.63e+07 2.38e-02 6.56e-03 4.61e-03 9.87e-05 2s2 2p2 3P2 2s 2p3 3D1 3 8 6414 292441
349.7950 3.63e-02 3.96e+08 1.77e-02 1.26e-01 8.52e-02 1.79e-03 2s2 2p2 3P2 2s 2p3 3D2 3 7 6414 292296
349.8730 2.87e-01 2.24e+09 4.72e-02 1.00e+00 6.98e-01 1.42e-02 2s2 2p2 3P2 2s 2p3 3D3 3 9 6414 292232
358.2960 1.00e+00 1.07e+10 4.69e-03 9.98e-03 1.23e-02 2.50e-02 2s 2p3 1D2 2p4 1D2 13 19 440403 719502
417.8750 1.05e-03 5.75e+06 1.02e-04 2.15e-03 1.50e-03 3.06e-05 2s2 2p2 1D2 2s 2p3 3D3 4 9 52925.9 292232
427.1000 7.55e-02 2.79e+09 5.36e-04 3.88e-04 3.61e-04 1.18e-03 2s 2p3 3S1 2p4 3P0 14 18 446942 681079
430.3700 2.21e-01 2.67e+09 4.84e-04 1.14e-03 1.05e-03 3.37e-03 2s 2p3 3S1 2p4 3P1 14 17 446942 679300
438.9390 3.51e-01 2.45e+09 1.27e-03 1.72e-03 1.61e-03 5.10e-03 2s 2p3 3S1 2p4 3P2 14 16 446942 674764
441.0200 1.69e-01 1.19e+09 4.24e-04 9.01e-04 1.11e-03 2.25e-03 2s 2p3 1P1 2p4 1D2 15 19 492755 719502
676.5030 2.23e-05 6.54e+04 1.89e-02 2.62e-02 2.23e-03 1.98e-07 2s2 2p2 3P1 2s 2p3 5S2 2 6 2545 150364
694.6860 5.43e-05 1.51e+05 4.25e-02 5.89e-02 5.01e-03 4.45e-07 2s2 2p2 3P2 2s 2p3 5S2 3 6 6414 150364
* 905.3350 8.25e-01 1.34e+09 2.92e-04 9.18e-04 1.27e-03 5.96e-05 2s2 2p 3s 1P1 2s2 2p 3p 1D2 24 33 1653138.1 1763594.4
950.0830 2.88e-08 2.13e+02 2.12e-02 4.07e-02 2.52e-06 9.04e-11 2s2 2p2 3P1 2s2 2p2 1S0 2 5 2545 107799
* 1090.4990 9.97e-01 6.21e+08 8.90e-04 2.75e-03 2.49e-03 4.06e-05 2s2 2p 3p 3D3 2s2 2p 3d 3F4 28 41 1716566 1808267.1
* 1249.0260 1.05e+00 5.00e+08 1.50e-04 1.14e-03 1.15e-03 2.57e-05 2s 2p2 3s 5P3 2s 2p2 3p 5D4 37 58 1795589.1 1875651.5
1984.8790 2.31e-08 7.82e+00 1.93e-02 1.60e-02 3.12e-07 8.55e-12 2s2 2p2 3P1 2s2 2p2 1D2 2 4 2545 52925.9
2149.9871 6.37e-08 1.84e+01 4.18e-02 3.48e-02 6.76e-07 1.85e-11 2s2 2p2 3P2 2s2 2p2 1D2 3 4 6414 52925.9
25846.4727 3.92e-07 7.90e-01 3.12e-02 5.36e-04 3.48e-09 7.25e-14 2s2 2p2 3P1 2s2 2p2 3P2 2 3 2545 6414
39292.7305 2.06e-07 3.00e-01 4.35e-02 8.56e-05 5.32e-10 1.09e-14 2s2 2p2 3P0 2s2 2p2 3P1 1 2 0 2545

Created by Giulio Del Zanna on Wed Apr 16 17:44:30 2025