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)

* 89.4250 9.86e-03 4.11e+09 3.43e-06 1.34e-04 6.78e-04 4.46e-03 3s 3p4 2D3/2 3s2 3p2 4p 2P1/2 9 445 335258 1453515
* 89.7490 1.88e-02 3.90e+09 6.92e-06 1.27e-04 8.68e-04 7.02e-03 3s 3p4 2D5/2 3s2 3p2 4p 2P3/2 10 447 341716 1455929
* 89.8740 1.32e-02 2.72e+09 4.70e-06 2.73e-04 5.40e-04 3.86e-03 3s2 3p2 3d 2F5/2 3s 3p3 4s 2D3/2 18 550 440878 1553551
* 90.1240 2.21e-02 3.03e+09 2.47e-06 4.87e-04 8.30e-04 5.85e-03 3s2 3p2 3d 4D7/2 3s 3p3 4s 2D5/2 20 555 444791 1554374
* 90.1850 6.54e-03 8.95e+08 3.78e-07 6.69e-05 1.14e-04 1.01e-03 3s2 3p2 3d 4D7/2 3p3 3d2 4D5/2 20 551 444791 1553628
* 90.6290 2.48e-03 5.03e+08 5.06e-05 8.71e-05 1.47e-04 1.26e-03 3s 3p4 4P3/2 3s2 3p2 4p 2P3/2 7 394 277374 1380770
* 90.8380 7.07e-03 9.54e+08 3.48e-05 1.61e-04 3.05e-04 3.41e-03 3s 3p4 4P5/2 3s2 3p2 4p 2D5/2 6 391 274373 1375239
91.0040 6.74e-02 1.36e+10 1.64e-02 1.63e-02 1.60e-02 4.07e-02 3s 3p4 4P5/2 3s2 3p2 4p 4S3/2 6 390 274373 1373225
* 91.0750 2.01e-02 8.07e+09 3.08e-06 1.88e-05 4.06e-05 3.13e-03 3s2 3p2 3d 4F3/2 3s 3p3 4s 4D1/2 14 504 427034 1525030
* 91.0860 4.43e-03 5.93e+08 2.16e-05 9.98e-05 1.89e-04 2.12e-03 3s 3p4 4P3/2 3s2 3p2 4p 2D5/2 7 391 277374 1375239
* 91.3810 3.09e-02 6.17e+09 8.97e-06 3.25e-05 6.32e-05 4.70e-03 3s2 3p2 3d 4F5/2 3s 3p3 4s 4D3/2 15 505 430743 1525063
* 91.5000 4.73e-03 6.27e+08 5.04e-07 9.93e-05 1.69e-04 1.19e-03 3s2 3p2 3d 2F7/2 3s 3p3 4s 2D5/2 23 555 461474 1554374
* 91.5010 3.54e-02 7.05e+09 5.78e-05 8.06e-04 5.25e-03 2.03e-02 3s 3p4 2D5/2 3s2 3p2 4p 2P3/2 10 421 341716 1434596
* 91.6200 1.68e-02 6.66e+09 2.60e-05 4.52e-04 1.94e-03 9.16e-03 3s 3p4 2D3/2 3s2 3p2 4p 2P1/2 9 420 335258 1426728
91.6660 4.31e-03 4.24e+08 7.69e-05 1.15e-04 1.74e-04 2.09e-03 3s 3p4 4P5/2 3s2 3p2 4p 4D7/2 6 383 274373 1365290
* 91.8030 4.07e-02 5.38e+09 5.65e-06 3.67e-05 7.02e-05 6.03e-03 3s2 3p2 3d 4F7/2 3s 3p3 4s 4D5/2 16 506 436088 1525382
* 91.8060 1.28e-02 2.54e+09 2.89e-04 4.64e-04 6.71e-04 6.53e-03 3s 3p4 4P5/2 3s2 3p2 4p 2D3/2 6 385 274373 1363629
91.8090 5.90e-02 1.18e+10 1.41e-02 1.40e-02 1.37e-02 3.50e-02 3s 3p4 4P3/2 3s2 3p2 4p 4S3/2 7 390 284005 1373225
* 92.0000 1.42e-02 1.86e+09 8.45e-05 2.21e-04 3.98e-04 6.75e-03 3s 3p4 4P5/2 3s2 3p2 4p 4P5/2 6 382 274373 1361335
* 92.0350 6.36e-02 6.25e+09 9.01e-06 7.22e-05 1.33e-04 1.05e-02 3s2 3p2 3d 4F9/2 3s 3p3 4s 4D7/2 17 512 440659 1527203
92.1730 3.49e-02 6.87e+09 8.18e-03 8.12e-03 7.97e-03 2.03e-02 3s 3p4 4P1/2 3s2 3p2 4p 4S3/2 8 390 288307 1373225
* 92.2540 6.05e-03 7.91e+08 3.58e-05 9.39e-05 1.69e-04 2.86e-03 3s 3p4 4P3/2 3s2 3p2 4p 4P5/2 7 382 277374 1361335
92.3800 2.88e-03 3.71e+08 4.76e-05 6.30e-05 8.79e-05 1.38e-03 3s 3p4 4P5/2 3s2 3p2 4p 4D5/2 6 370 274373 1356855
* 92.3830 1.48e-02 2.89e+09 3.37e-04 4.74e-04 6.40e-04 7.28e-03 3s 3p4 4P5/2 3s2 3p2 4p 4P3/2 6 374 274373 1356825
* 92.3860 6.41e-03 6.27e+08 9.00e-07 7.21e-06 1.33e-05 1.05e-03 3s2 3p2 3d 4D7/2 3s 3p3 4s 4D7/2 20 512 444791 1527203
* 92.4550 8.06e-03 3.14e+09 6.60e-05 1.03e-04 1.60e-04 3.57e-03 3s 3p4 4P3/2 3s2 3p2 4p 4P1/2 7 377 277374 1358976
* 92.8980 5.47e-03 7.03e+08 1.52e-05 8.67e-04 1.50e-03 3.40e-03 3s 3p4 2D3/2 3s2 3p2 4p 2D5/2 9 410 335258 1411705
93.0260 2.28e-03 4.37e+08 4.67e-05 5.72e-05 7.16e-05 1.07e-03 3s 3p4 4P5/2 3s2 3p2 4p 4D3/2 6 364 274373 1349337
* 93.0450 6.46e-02 1.25e+10 1.58e-04 7.40e-03 1.46e-02 3.93e-02 3s 3p4 2D3/2 3s2 3p2 4p 2D3/2 9 409 335258 1410004
* 93.4590 7.87e-02 1.00e+10 2.15e-04 1.23e-02 2.12e-02 4.81e-02 3s 3p4 2D5/2 3s2 3p2 4p 2D5/2 10 410 341716 1411705
* 93.7900 3.38e-03 6.42e+08 1.09e-06 1.99e-05 1.37e-04 1.11e-03 3s2 3p2 3d 2P3/2 3s2 3p2 4p 2P3/2 11 447 389719 1455929
* 93.8320 7.92e-03 7.50e+08 1.06e-06 8.50e-06 1.56e-05 1.23e-03 3s2 3p2 3d 2F7/2 3s 3p3 4s 4D7/2 23 512 461474 1527203
* 94.0030 3.15e-03 1.19e+09 9.44e-07 3.69e-05 1.87e-04 1.23e-03 3s2 3p2 3d 2P3/2 3s2 3p2 4p 2P1/2 11 445 389719 1453515
94.3600 5.53e-03 5.17e+08 3.10e-06 6.01e-05 1.56e-04 2.24e-03 3s 3p4 2D5/2 3s2 3p2 4p 2F7/2 10 407 341716 1401489
* 94.4150 3.02e-03 1.13e+09 8.92e-07 3.49e-05 1.77e-04 1.16e-03 3s2 3p2 3d 2P1/2 3s2 3p2 4p 2P1/2 12 445 394360 1453515
94.7070 8.82e-03 1.09e+09 5.17e-06 8.58e-05 2.07e-04 3.53e-03 3s 3p4 2D5/2 3s2 3p2 4p 2F5/2 10 403 341716 1397599
* 95.0050 2.88e-02 3.53e+09 2.73e-06 5.38e-04 9.18e-04 6.47e-03 3s 3p4 2P3/2 3s 3p3 4s 2D5/2 26 555 501800 1554374

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