CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Si I - 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]=4.00, where the ion fraction peaks in ionization equilibrium. Only lines brighter than 0.001 the strongest line (at all densities) are retained.


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)

1255.2720 4.29e-01 8.98e+08 2.97e-04 1.03e-03 2.30e-03 1.66e-02 3s2 3p2 3P0 3s 3p3 3S1 1 36 0 79664
1256.4880 1.30e+00 2.72e+09 9.00e-04 3.13e-03 6.97e-03 5.04e-02 3s2 3p2 3P1 3s 3p3 3S1 2 36 77.115 79664
1258.7980 2.18e+00 4.54e+09 1.50e-03 5.21e-03 1.16e-02 8.39e-02 3s2 3p2 3P2 3s 3p3 3S1 3 36 223.157 79664
1363.0450 1.27e-01 2.32e+08 7.08e-05 2.46e-04 5.48e-04 3.96e-03 3s2 3p2 1D2 3s 3p3 3S1 4 36 6298.85 79664
1555.9449 1.55e-01 2.29e+08 6.12e-05 2.13e-04 4.74e-04 3.42e-03 3s2 3p2 1S0 3s 3p3 3S1 5 36 15394.37 79664
1845.5200 2.57e-01 1.67e+08 6.51e-03 2.31e-02 1.00e-01 8.24e-02 3s2 3p2 3P0 3s2 3p 3d 3D1 1 33 0 54185.266
1847.4740 5.95e-01 2.32e+08 1.50e-02 5.19e-02 2.29e-01 1.90e-01 3s2 3p2 3P1 3s2 3p 3d 3D2 2 34 77.115 54205.09
1848.1500 1.89e-01 1.23e+08 4.78e-03 1.70e-02 7.36e-02 6.05e-02 3s2 3p2 3P1 3s2 3p 3d 3D1 2 33 77.115 54185.266
1850.6720 1.09e+00 3.03e+08 2.71e-02 9.26e-02 4.15e-01 3.44e-01 3s2 3p2 3P2 3s2 3p 3d 3D3 3 35 223.157 54257.582
1852.4720 1.90e-01 7.37e+07 4.75e-03 1.65e-02 7.27e-02 6.01e-02 3s2 3p2 3P2 3s2 3p 3d 3D2 3 34 223.157 54205.09
1853.1520 1.22e-02 7.89e+06 3.06e-04 1.09e-03 4.71e-03 3.87e-03 3s2 3p2 3P2 3s2 3p 3d 3D1 3 33 223.157 54185.266
1873.1030 6.94e-03 4.43e+06 7.43e-05 3.72e-04 2.40e-03 2.41e-03 3s2 3p2 3P0 3s2 3p 3d 1P1 1 32 0 53387.336
1875.8130 4.77e-03 3.03e+06 5.09e-05 2.54e-04 1.64e-03 1.65e-03 3s2 3p2 3P1 3s2 3p 3d 1P1 2 32 77.115 53387.336
1881.8540 8.17e-03 2.20e+06 5.61e-05 2.06e-04 2.32e-03 2.79e-03 3s2 3p2 3P2 3s2 3p 3d 1F3 3 31 223.157 53362.238
1977.5980 4.65e-02 2.62e+07 3.99e-03 1.69e-02 2.84e-02 2.03e-02 3s2 3p2 3P0 3s2 3p 3d 3P1 1 28 0 50566.398
1979.2050 4.60e-02 7.76e+07 4.32e-03 2.00e-02 2.78e-02 1.99e-02 3s2 3p2 3P1 3s2 3p 3d 3P0 2 29 77.115 50602.441
1980.6180 3.44e-02 1.93e+07 2.94e-03 1.24e-02 2.09e-02 1.49e-02 3s2 3p2 3P1 3s2 3p 3d 3P1 2 28 77.115 50566.398
1983.2330 5.89e-02 1.98e+07 4.36e-03 1.80e-02 3.60e-02 2.57e-02 3s2 3p2 3P1 3s2 3p 3d 3P2 2 27 77.115 50499.84
1986.3640 5.78e-02 3.23e+07 4.90e-03 2.07e-02 3.48e-02 2.49e-02 3s2 3p2 3P2 3s2 3p 3d 3P1 3 28 223.157 50566.398
1988.9940 1.75e-01 5.85e+07 1.28e-02 5.29e-02 1.06e-01 7.57e-02 3s2 3p2 3P2 3s2 3p 3d 3P2 3 27 223.157 50499.84
2009.0930 5.51e-05 1.82e+04 7.49e-04 2.71e-03 3.60e-05 2.56e-05 3s2 3p2 3P1 3s2 3p 3d 3F2 2 23 77.115 49850.828
2011.6429 1.33e-04 3.12e+04 1.23e-03 5.16e-03 8.54e-05 6.07e-05 3s2 3p2 3P2 3s2 3p 3d 3F3 3 24 223.157 49933.773
2085.1260 1.17e-02 2.54e+06 2.01e-04 6.88e-04 3.08e-03 2.56e-03 3s2 3p2 1D2 3s2 3p 3d 3D3 4 35 6298.85 54257.582
2123.6609 1.51e-01 7.47e+07 1.11e-03 5.53e-03 3.57e-02 3.59e-02 3s2 3p2 1D2 3s2 3p 3d 1P1 4 32 6298.85 53387.336
2124.7939 3.15e+00 6.61e+08 1.49e-02 5.49e-02 6.18e-01 7.44e-01 3s2 3p2 1D2 3s2 3p 3d 1F3 4 31 6298.85 53362.238
2208.6670 4.56e-02 2.03e+07 3.97e-02 1.53e-01 5.16e-02 3.01e-02 3s2 3p2 3P0 3s 3p3 3D1 1 11 0 45276.188
2211.5811 1.02e-01 2.73e+07 8.99e-02 3.17e-01 1.13e-01 6.72e-02 3s2 3p2 3P1 3s 3p3 3D2 2 12 77.115 45293.629
2212.4351 3.33e-02 1.48e+07 2.89e-02 1.12e-01 3.76e-02 2.19e-02 3s2 3p2 3P1 3s 3p3 3D1 2 11 77.115 45276.188
2217.3589 1.88e-01 3.57e+07 1.75e-01 6.26e-01 2.12e-01 1.22e-01 3s2 3p2 3P2 3s 3p3 3D3 3 13 223.157 45321.848
2218.7480 3.24e-02 8.57e+06 2.81e-02 9.91e-02 3.54e-02 2.10e-02 3s2 3p2 3P2 3s 3p3 3D2 3 12 223.157 45293.629
2219.6060 2.10e-03 9.27e+05 1.81e-03 6.98e-03 2.35e-03 1.37e-03 3s2 3p2 3P2 3s 3p3 3D1 3 11 223.157 45276.188
2291.7419 1.03e-03 1.85e+05 6.42e-03 2.69e-02 4.46e-04 3.17e-04 3s2 3p2 1D2 3s2 3p 3d 3F3 4 24 6298.85 49933.773
2296.1069 9.78e-05 2.46e+04 8.86e-04 3.20e-03 4.26e-05 3.03e-05 3s2 3p2 1D2 3s2 3p 3d 3F2 4 23 6298.85 49850.828
2435.8931 3.66e-01 8.13e+07 2.98e-02 1.16e-01 1.56e-01 1.35e-01 3s2 3p2 1D2 3s2 3p 3d 1D2 4 15 6298.85 47351.555
2439.5071 1.50e-03 5.63e+05 1.88e-04 8.46e-04 1.27e-03 1.40e-03 3s2 3p2 3P0 3s2 3p 4s 1P1 1 10 0 40991.883
2444.1050 1.25e-03 4.67e+05 1.56e-04 7.01e-04 1.06e-03 1.16e-03 3s2 3p2 3P1 3s2 3p 4s 1P1 2 10 77.115 40991.883
2452.8611 1.10e-03 4.10e+05 1.36e-04 6.13e-04 9.23e-04 1.01e-03 3s2 3p2 3P2 3s2 3p 4s 1P1 3 10 223.157 40991.883
2507.6521 2.75e-01 5.84e+07 5.71e-02 2.32e-01 3.37e-01 2.74e-01 3s2 3p2 3P1 3s2 3p 4s 3P2 2 9 77.115 39955.055
2515.0730 2.17e-01 7.65e+07 4.92e-02 1.84e-01 2.72e-01 2.20e-01 3s2 3p2 3P0 3s2 3p 4s 3P1 1 8 0 39760.285
2516.8689 8.23e-01 1.74e+08 1.69e-01 6.89e-01 1.00e+00 8.11e-01 3s2 3p2 3P2 3s2 3p 4s 3P2 3 9 223.157 39955.055
2519.9600 1.62e-01 5.70e+07 3.66e-02 1.37e-01 2.02e-01 1.64e-01 3s2 3p2 3P1 3s2 3p 4s 3P1 2 8 77.115 39760.285
2524.8669 2.18e-01 2.29e+08 5.81e-02 2.28e-01 2.88e-01 2.21e-01 3s2 3p2 3P1 3s2 3p 4s 3P0 2 7 77.115 39683.164
2529.2681 2.72e-01 9.49e+07 6.08e-02 2.27e-01 3.35e-01 2.72e-01 3s2 3p2 3P2 3s2 3p 4s 3P1 3 8 223.157 39760.285
2577.9241 1.11e-02 3.65e+06 1.02e-04 3.61e-04 1.57e-03 1.29e-03 3s2 3p2 1S0 3s2 3p 3d 3D1 5 33 15394.37 54185.266
2632.0659 7.65e-01 2.46e+08 2.93e-03 1.47e-02 9.46e-02 9.52e-02 3s2 3p2 1S0 3s2 3p 3d 1P1 5 32 15394.37 53387.336
2882.4231 1.78e+00 4.75e+08 1.34e-01 6.04e-01 9.10e-01 1.00e+00 3s2 3p2 1D2 3s2 3p 4s 1P1 4 10 6298.85 40991.883
2988.5149 5.38e-03 1.34e+06 7.24e-04 2.70e-03 3.99e-03 3.24e-03 3s2 3p2 1D2 3s2 3p 4s 3P1 4 8 6298.85 39760.285
3007.6150 1.36e-06 1.88e+02 1.52e-01 3.38e-01 1.71e-05 1.90e-06 3s2 3p2 3P1 3s 3p3 5S2 2 6 77.115 33326.055
3020.8840 4.08e-06 5.58e+02 4.50e-01 1.00e+00 5.06e-05 5.64e-06 3s2 3p2 3P2 3s 3p3 5S2 3 6 223.157 33326.055
3906.6299 1.81e-01 2.62e+07 5.46e-03 2.45e-02 3.70e-02 4.07e-02 3s2 3p2 1S0 3s2 3p 4s 1P1 5 10 15394.37 40991.883
6528.5850 1.52e-10 2.43e-02 4.61e-02 1.87e-04 2.89e-09 3.00e-10 3s2 3p2 3P1 3s2 3p2 1S0 2 5 77.115 15394.37
6591.4312 4.37e-12 6.87e-04 1.29e-03 5.23e-06 8.08e-11 8.39e-12 3s2 3p2 3P2 3s2 3p2 1S0 3 5 223.157 15394.37
9416.0811 6.03e-01 4.58e+07 9.02e-04 1.28e-02 2.40e-03 2.13e-03 3s2 3p 4s 1P1 3s2 3p 4p 1S0 10 30 40991.883 51612.012
10374.1035 1.93e-01 3.96e+06 2.01e-04 9.78e-04 9.55e-04 6.90e-04 3s2 3p 4s 3P1 3s2 3p 4p 3S1 8 22 39760.285 49399.672
10588.0420 8.98e-01 1.78e+07 8.83e-04 4.31e-03 4.21e-03 3.04e-03 3s2 3p 4s 3P2 3s2 3p 4p 3S1 9 22 39955.055 49399.672
10606.3301 4.37e-01 5.10e+06 1.25e-03 4.46e-03 2.20e-03 1.50e-03 3s2 3p 4s 3P1 3s2 3p 4p 3P2 8 21 39760.285 49188.617
10663.8926 4.71e-01 9.11e+06 1.27e-03 4.46e-03 2.37e-03 1.62e-03 3s2 3p 4s 3P0 3s2 3p 4p 3P1 7 20 39683.164 49060.602
10752.3223 5.31e-01 1.01e+07 1.40e-03 4.92e-03 2.61e-03 1.79e-03 3s2 3p 4s 3P1 3s2 3p 4p 3P1 8 20 39760.285 49060.602
10789.8047 4.31e-01 2.45e+07 1.30e-03 5.46e-03 2.15e-03 1.45e-03 3s2 3p 4s 3P1 3s2 3p 4p 3P0 8 19 39760.285 49028.293
10830.0566 1.73e+00 1.95e+07 4.69e-03 1.67e-02 8.22e-03 5.60e-03 3s2 3p 4s 3P2 3s2 3p 4p 3P2 9 21 39955.055 49188.617
10872.5098 3.85e+00 4.32e+07 9.01e-03 3.75e-02 1.15e-02 1.07e-02 3s2 3p 4s 1P1 3s2 3p 4p 1D2 10 26 40991.883 50189.391
10982.3174 2.73e-01 5.03e+06 6.79e-04 2.39e-03 1.27e-03 8.72e-04 3s2 3p 4s 3P2 3s2 3p 4p 3P1 9 20 39955.055 49060.602
10994.4238 1.59e-08 8.88e-01 1.00e+00 4.06e-03 6.27e-08 6.50e-09 3s2 3p2 1D2 3s2 3p2 1S0 4 5 6298.85 15394.37
11987.4766 1.51e+00 1.40e+07 3.51e-03 1.38e-02 5.94e-03 4.24e-03 3s2 3p 4s 3P1 3s2 3p 4p 3D2 8 17 39760.285 48102.324
11994.8516 6.74e-01 1.04e+07 1.81e-03 7.34e-03 2.69e-03 1.91e-03 3s2 3p 4s 3P0 3s2 3p 4p 3D1 7 16 39683.164 48020.074
12034.7979 2.62e+00 1.72e+07 7.28e-03 2.84e-02 9.93e-03 7.12e-03 3s2 3p 4s 3P2 3s2 3p 4p 3D3 9 18 39955.055 48264.293
12106.8467 4.02e-01 6.11e+06 1.05e-03 4.27e-03 1.57e-03 1.11e-03 3s2 3p 4s 3P1 3s2 3p 4p 3D1 8 16 39760.285 48020.074
12274.0518 3.63e-01 3.23e+06 7.92e-04 3.11e-03 1.34e-03 9.57e-04 3s2 3p 4s 3P2 3s2 3p 4p 3D2 9 17 39955.055 48102.324
15892.7461 1.98e+00 1.73e+07 2.03e-03 8.04e-03 3.08e-03 2.68e-03 3s2 3p 4s 1P1 3s2 3p 4p 1P1 10 14 40991.883 47284.062
16072.6865 1.25e-10 6.66e-04 1.19e-01 3.99e-05 6.11e-10 6.17e-11 3s2 3p2 3P1 3s2 3p2 1D2 2 4 77.115 6298.85
16459.0273 3.69e-10 1.89e-03 3.30e-01 1.11e-04 1.70e-09 1.71e-10 3s2 3p2 3P2 3s2 3p2 1D2 3 4 223.157 6298.85
54601.5781 6.36e-01 1.88e+05 2.73e-04 1.14e-03 1.89e-05 1.35e-05 3s2 3p 4p 3D2 3s2 3p 3d 3F3 17 24 48102.324 49933.773
55850.0703 9.00e-01 2.00e+05 7.74e-04 2.97e-03 2.47e-05 1.77e-05 3s2 3p 4p 3D3 3s2 3p 3d 3F4 18 25 48264.293 50054.801

Created by Giulio Del Zanna on Wed Apr 16 17:44:27 2025