CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Fe XII - 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]=6.15, 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)

* 395.7620 9.84e-02 6.99e+08 7.51e-04 1.49e-03 3.00e-03 2.13e-03 3s2 3p2 3d 4F5/2 3s 3p3 3d 4F5/2 15 54 430743 683420
* 396.9470 6.77e-02 1.44e+09 1.08e-04 4.93e-04 1.11e-03 1.43e-03 3s2 3p2 3d 2P3/2 3p5 2P1/2 11 48 389719 641642
* 399.4660 1.53e-02 1.61e+08 1.34e-04 2.38e-04 4.34e-04 3.25e-04 3s2 3p2 3d 4F5/2 3s 3p3 3d 4F3/2 15 53 430743 681077
* 399.5730 1.35e-01 7.02e+08 7.65e-04 1.81e-03 4.39e-03 2.82e-03 3s2 3p2 3d 4F7/2 3s 3p3 3d 4F7/2 16 55 436088 686355
* 399.6120 5.82e-02 3.03e+08 3.61e-05 4.11e-04 8.42e-04 1.02e-03 3s2 3p2 3d 2D5/2 3s 3p3 3d 2F7/2 32 81 536939 787182
* 400.7550 1.93e-01 8.03e+08 6.40e-04 3.00e-03 8.31e-03 3.99e-03 3s2 3p2 3d 4F9/2 3s 3p3 3d 4F9/2 17 56 440659 690188
* 401.4450 1.54e-01 7.96e+08 4.31e-06 9.43e-06 2.27e-05 1.40e-03 3s2 3p 3d2 4G5/2 3s 3p2 3d2 4H7/2 105 207 884958 1134058
* 402.3820 2.21e-01 9.10e+08 5.04e-06 1.17e-05 3.88e-05 1.98e-03 3s2 3p 3d2 4G7/2 3s 3p2 3d2 4H9/2 106 210 888150 1136670
* 404.3150 1.71e-02 1.16e+08 1.22e-04 2.42e-04 4.87e-04 3.46e-04 3s2 3p2 3d 4F7/2 3s 3p3 3d 4F5/2 16 54 436088 683420
* 404.3970 4.67e-02 9.52e+08 7.03e-05 3.20e-04 7.22e-04 9.25e-04 3s2 3p2 3d 2P1/2 3p5 2P1/2 12 48 394360 641642
* 404.5590 3.01e-01 1.02e+09 6.24e-06 2.15e-05 8.63e-05 2.72e-03 3s2 3p 3d2 4G9/2 3s 3p2 3d2 4H11/2 109 215 892834 1140017
* 407.3700 1.38e-02 6.94e+07 7.42e-05 1.76e-04 4.26e-04 2.73e-04 3s2 3p2 3d 2F5/2 3s 3p3 3d 4F7/2 18 55 440878 686355
* 407.4930 1.60e-01 1.60e+09 2.40e-05 4.64e-05 8.45e-05 1.67e-03 3s 3p3 3d 2D5/2 3p4 3d 2P3/2 83 162 803238 1048641
* 407.5030 3.57e-02 1.44e+08 1.13e-04 5.29e-04 1.47e-03 7.04e-04 3s2 3p2 3d 4D7/2 3s 3p3 3d 4F9/2 20 56 444791 690188
407.8840 2.08e-02 9.63e+07 2.43e-03 2.78e-03 3.61e-03 4.02e-04 3s2 3p2 3d 4F7/2 3s 3p3 3d 4D7/2 16 50 436088 681256
* 408.2720 1.62e-02 1.62e+08 1.43e-03 1.63e-03 1.98e-03 3.34e-04 3s2 3p2 3d 4F3/2 3s 3p3 3d 4D3/2 14 51 427034 671969
* 408.7390 3.78e-01 1.08e+09 5.58e-06 5.49e-05 1.62e-04 3.26e-03 3s2 3p 3d2 4G11/2 3s 3p2 3d2 4H13/2 111 216 899389 1144044
* 411.6400 3.57e-01 1.76e+09 2.29e-05 7.64e-05 1.58e-04 3.62e-03 3s 3p3 3d 2F7/2 3p4 3d 2G7/2 91 175 820798 1063729
* 416.1120 2.41e-02 1.55e+08 2.15e-03 2.47e-03 3.06e-03 4.74e-04 3s2 3p2 3d 4F5/2 3s 3p3 3d 4D5/2 15 49 430743 671063
* 418.3930 8.60e-01 3.28e+09 3.63e-05 1.01e-04 3.27e-04 7.90e-03 3s 3p3 3d 2G9/2 3p4 3d 2G9/2 93 177 829548 1068558
* 420.7090 1.19e-01 4.48e+08 4.94e-06 1.38e-05 4.44e-05 1.07e-03 3s 3p3 3d 2G7/2 3p4 3d 2G9/2 94 177 830864 1068558
* 420.9200 2.16e-01 2.03e+09 2.96e-04 1.67e-03 3.22e-03 3.86e-03 3s2 3p2 3d 2P3/2 3p5 2P3/2 11 47 389719 627294
* 421.9050 1.03e-01 1.93e+09 4.03e-05 5.30e-05 7.26e-05 1.01e-03 3s 3p3 3d 2D3/2 3p4 3d 2P1/2 85 156 805335 1042355
* 422.0500 1.91e-02 1.78e+08 1.40e-04 2.49e-04 4.54e-04 3.40e-04 3s2 3p2 3d 4D1/2 3s 3p3 3d 4F3/2 19 53 444138 681077
* 423.1120 4.13e-02 2.56e+08 2.57e-04 5.10e-04 1.03e-03 7.29e-04 3s2 3p2 3d 4D3/2 3s 3p3 3d 4F5/2 21 54 447076 683420
427.0110 1.91e-02 8.19e+07 1.98e-03 2.26e-03 2.93e-03 3.27e-04 3s2 3p2 3d 4D7/2 3s 3p3 3d 4D7/2 20 50 447070 681256
* 427.6680 5.75e-02 3.49e+08 2.25e-05 1.78e-04 3.96e-04 8.09e-04 3s2 3p2 3d 2D3/2 3s 3p3 3d 2F5/2 33 82 553906 787732
* 428.0820 5.12e-02 2.33e+08 2.37e-04 5.62e-04 1.36e-03 8.72e-04 3s2 3p2 3d 4D5/2 3s 3p3 3d 4F7/2 22 55 452755 686355
* 429.3060 5.89e-02 5.34e+08 7.63e-05 4.30e-04 8.30e-04 9.96e-04 3s2 3p2 3d 2P1/2 3p5 2P3/2 12 47 394360 627294
* 429.4330 3.06e-01 1.38e+09 1.72e-05 5.74e-05 1.19e-04 2.72e-03 3s 3p3 3d 2G7/2 3p4 3d 2G7/2 94 175 830864 1063729
429.5210 1.95e-03 1.17e+07 1.23e-03 1.37e-03 1.59e-03 4.68e-05 3s2 3p3 2D3/2 3s 3p4 4P5/2 2 6 41555.602 274373
* 430.0150 5.62e-02 2.54e+08 2.81e-05 3.20e-04 6.56e-04 7.95e-04 3s2 3p2 3d 2D5/2 3s 3p3 3d 2F7/2 34 81 554632 787182
* 432.4490 5.37e-02 9.59e+08 6.62e-05 3.02e-04 6.80e-04 8.71e-04 3s 3p4 2S1/2 3p5 2P1/2 13 48 410401 641642
* 432.7300 6.74e-03 6.01e+07 5.00e-04 5.69e-04 6.95e-04 1.17e-04 3s2 3p2 3d 2F5/2 3s 3p3 3d 4D3/2 18 51 440878 671969
* 436.0020 1.11e-02 1.94e+08 1.00e-03 1.12e-03 1.33e-03 1.87e-04 3s2 3p2 3d 4D1/2 3s 3p3 3d 4D1/2 19 52 444138 673495
* 437.2270 4.96e-02 1.73e+08 1.26e-04 5.93e-04 1.64e-03 7.88e-04 3s2 3p2 3d 2F7/2 3s 3p3 3d 4F9/2 23 56 461474 690188
438.0490 3.69e-03 2.14e+07 2.20e-03 2.47e-03 2.84e-03 8.40e-05 3s2 3p3 2D5/2 3s 3p4 4P5/2 3 6 46088 274373
* 441.6590 8.56e-03 1.47e+08 7.50e-04 8.38e-04 9.92e-04 1.40e-04 3s2 3p2 3d 4D3/2 3s 3p3 3d 4D1/2 21 52 447076 673495
* 444.6560 1.66e-02 1.39e+08 1.12e-03 1.28e-03 1.56e-03 2.63e-04 3s2 3p2 3d 4D3/2 3s 3p3 3d 4D3/2 21 51 447076 671969
454.9960 2.49e-02 9.19e+07 2.08e-03 2.38e-03 3.09e-03 3.44e-04 3s2 3p2 3d 2F7/2 3s 3p3 3d 4D7/2 23 50 461474 681256
* 458.0680 2.45e-02 1.30e+08 1.64e-03 1.88e-03 2.33e-03 3.61e-04 3s2 3p2 3d 4D5/2 3s 3p3 3d 4D5/2 22 49 452755 671063
* 522.0300 2.54e-01 6.21e+08 7.89e-06 1.30e-05 2.71e-05 1.07e-03 3s 3p3 3d 4D7/2 3p4 3d 4F9/2 97 161 856214 1047774
* 558.0820 1.40e-03 3.76e+06 9.54e-04 1.08e-03 1.32e-03 1.18e-05 3s2 3p2 3d 4F7/2 3s 3p3 3d 6D7/2 16 45 436088 615273
* 569.4730 2.90e-03 5.96e+06 2.12e-03 2.46e-03 3.05e-03 2.27e-05 3s2 3p2 3d 4F9/2 3s 3p3 3d 6D9/2 17 46 440659 616260
592.6000 0.00e+00 5.65e+01 1.17e-02 8.04e-03 2.34e-07 2.13e-10 3s 3p4 4P5/2 3s2 3p2 3d 4F9/2 6 17 274373 443121
592.6000 3.00e-02 6.34e+07 1.10e-03 1.26e-03 1.64e-03 1.82e-04 3s2 3p2 3d 4P5/2 3s 3p3 3d 4D7/2 27 50 512508 681256
* 606.1740 2.57e+00 5.83e+09 2.43e-06 6.18e-05 1.51e-04 3.95e-03 3s2 3p2 4p 2F5/2 3s2 3p2 4d 2G7/2 403 560 1396341 1561310
* 612.9850 1.85e+00 4.11e+09 8.03e-06 2.91e-05 5.86e-05 1.69e-03 3s2 3p2 4p 4P5/2 3s2 3p2 4d 2F7/2 382 503 1361335 1524471
* 623.0880 3.62e+00 6.22e+09 3.75e-06 1.90e-04 6.03e-04 6.07e-03 3s2 3p2 4p 2F7/2 3s2 3p2 4d 2G9/2 407 561 1401488 1561979
623.3360 2.47e+00 5.38e+09 6.08e-05 9.50e-05 1.72e-04 3.66e-03 3s2 3p2 4p 4D5/2 3s2 3p2 4d 4F7/2 370 489 1356855 1517282
* 623.8150 3.47e+00 5.94e+09 2.15e-04 4.25e-04 7.75e-04 6.17e-03 3s2 3p2 4p 4D7/2 3s2 3p2 4d 4F9/2 383 498 1361368 1521672
1242.0050 0.00e+00 3.20e+02 1.05e-02 3.42e-02 3.14e-06 3.76e-10 3s2 3p3 4S3/2 3s2 3p3 2P3/2 1 5 0 80515
1349.4000 0.00e+00 1.68e+02 6.22e-03 1.46e-02 7.61e-07 9.15e-11 3s2 3p3 4S3/2 3s2 3p3 2P1/2 1 4 0 74107
1847.2340 0.00e+00 1.14e+02 3.83e-04 1.35e-03 8.26e-08 1.24e-10 3s2 3p2 3d 4F9/2 3s2 3p2 3d 2G9/2 17 25 443121 497256
2169.7620 0.00e+00 1.74e+00 2.84e-02 1.36e-03 2.31e-08 1.88e-12 3s2 3p3 4S3/2 3s2 3p3 2D5/2 1 3 0 46088
2566.7749 0.00e+00 1.92e+02 3.05e-03 9.94e-03 9.13e-07 1.09e-10 3s2 3p3 2D3/2 3s2 3p3 2P3/2 2 5 41555.602 80515
2904.6970 0.00e+00 7.84e+01 1.10e-03 3.59e-03 3.29e-07 3.93e-11 3s2 3p3 2D5/2 3s2 3p3 2P3/2 3 5 46088 80515
3072.0649 0.00e+00 6.94e+01 1.13e-03 2.64e-03 1.38e-07 1.66e-11 3s2 3p3 2D3/2 3s2 3p3 2P1/2 2 4 41555.602 74107
22063.3770 0.00e+00 8.86e-01 1.42e-03 6.82e-05 1.16e-09 9.40e-14 3s2 3p3 2D3/2 3s2 3p3 2D5/2 2 3 41555.602 46088

Created by Giulio Del Zanna on Wed Apr 16 17:43:13 2025