CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Fe XXV - 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]=7.55, 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)

1.4608 2.55e-02 2.66e+13 1.98e-02 1.98e-02 1.98e-02 1.64e-02 1s2 1S0 1s.5p 1P1 1 39 0 68453990
1.4612 2.52e-03 2.63e+12 3.25e-03 3.25e-03 3.25e-03 2.91e-03 1s2 1S0 1s.5p 3P1 1 35 0 68438210
1.4946 5.25e-02 5.23e+13 4.47e-02 4.47e-02 4.47e-02 3.74e-02 1s2 1S0 1s.4p 1P1 1 25 0 66906790
1.4953 5.11e-03 5.08e+12 7.61e-03 7.61e-03 7.61e-03 7.05e-03 1s2 1S0 1s.4p 3P1 1 21 0 66875780
1.5732 1.42e-01 1.27e+14 1.40e-01 1.40e-01 1.40e-01 1.19e-01 1s2 1S0 1s.3p 1P1 1 15 0 63565470
1.5750 1.32e-02 1.18e+13 2.49e-02 2.49e-02 2.49e-02 2.59e-02 1s2 1S0 1s.3p 3P1 1 11 0 63490690
* 1.7794 4.08e-01 1.72e+14 1.56e-03 1.56e-03 1.56e-03 1.26e-03 1s.3p 1P1 2p.3p 1D2 15 167 63568178 1.1976672E+08
* 1.7872 3.77e-01 2.62e+14 3.80e-03 3.80e-03 3.80e-03 3.07e-03 1s.2s 1S0 2s.2p 1P1 5 135 53781235 1.0973539E+08
* 1.7873 2.81e-01 1.17e+14 2.06e-03 2.06e-03 2.06e-03 1.66e-03 1s.2p 3P2 2p2 1D2 6 136 53896667 1.0984561E+08
* 1.7887 4.06e-01 1.69e+14 1.56e-03 1.56e-03 1.56e-03 1.26e-03 1s.2p 3P1 2p2 3P2 4 134 53777635 1.096837E+08
* 1.7921 1.02e+00 4.23e+14 7.42e-03 7.42e-03 7.42e-03 5.99e-03 1s.2p 1P1 2p2 1D2 7 136 54044341 1.0984561E+08
* 1.7925 6.99e-01 2.90e+14 2.68e-03 2.68e-03 2.68e-03 2.16e-03 1s.2p 3P2 2p2 3P2 6 134 53896667 1.096837E+08
1.8504 7.16e-01 4.65e+14 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1s2 1S0 1s.2p 1P1 1 7 0 54043577
1.8553 0.00e+00 6.47e+09 2.21e-01 2.21e-01 2.21e-01 1.30e-01 1s2 1S0 1s.2p 3P2 1 6 0 53899600
1.8595 6.38e-02 4.10e+13 2.31e-01 2.31e-01 2.31e-01 4.83e-01 1s2 1S0 1s.2p 3P1 1 4 0 53778398
1.8682 3.02e-07 1.93e+08 3.40e-01 3.40e-01 3.39e-01 2.32e-03 1s2 1S0 1s.2s 3S1 1 2 0 53527895
6.7034 6.43e-02 1.91e+12 1.32e-03 1.32e-03 1.32e-03 1.34e-03 1s.2s 3S1 1s.5p 3P2 2 36 53527895 68445780
* 6.8683 1.86e-01 3.75e+12 4.96e-04 4.96e-04 4.97e-04 1.10e-03 1s.2p 3P2 1s.5d 3D3 6 40 53896667 68456331
7.4835 1.59e-01 3.78e+12 2.99e-03 2.99e-03 2.99e-03 3.32e-03 1s.2s 3S1 1s.4p 3P2 2 22 53527895 66890550
7.4918 8.66e-02 3.43e+12 1.03e-03 1.03e-03 1.03e-03 9.51e-04 1s.2s 3S1 1s.4p 3P1 2 21 53527895 66875780
* 7.6837 5.08e-01 8.20e+12 1.03e-03 1.03e-03 1.03e-03 3.02e-03 1s.2p 3P2 1s.4d 3D3 6 26 53896667 66911287
7.7939 1.05e-02 1.15e+12 1.21e-03 1.21e-03 1.21e-03 1.03e-03 1s.2p 1P1 1s.4s 1S0 7 20 54043577 66874060
10.0023 6.57e-01 8.77e+12 8.73e-03 8.73e-03 8.74e-03 1.28e-02 1s.2s 3S1 1s.3p 3P2 2 12 53527895 63525620
10.0373 3.59e-01 7.93e+12 2.62e-03 2.62e-03 2.62e-03 2.73e-03 1s.2s 3S1 1s.3p 3P1 2 11 53527895 63490690
10.0418 1.31e-01 8.65e+12 1.68e-03 1.68e-03 1.68e-03 2.53e-03 1s.2s 3S1 1s.3p 3P0 2 9 53527895 63486290
* 10.2041 6.84e-01 1.46e+13 5.70e-04 5.70e-04 5.71e-04 3.19e-03 1s.2p 3P0 1s.3d 3D1 3 13 53761377 63561332
* 10.2202 1.47e+00 1.88e+13 1.41e-03 1.41e-03 1.41e-03 3.47e-03 1s.2p 3P1 1s.3d 3D2 4 14 53777635 63562153
10.2205 3.72e-01 7.92e+12 1.34e-03 1.34e-03 1.34e-03 1.15e-03 1s.2s 1S0 1s.3p 1P1 5 15 53781244 63565470
* 10.2211 4.70e-01 1.00e+13 3.90e-04 3.90e-04 3.91e-04 2.18e-03 1s.2p 3P1 1s.3d 3D1 4 13 53777635 63561332
* 10.3312 2.84e+00 2.53e+13 2.41e-03 2.41e-03 2.41e-03 1.71e-02 1s.2p 3P2 1s.3d 3D3 6 16 53896667 63576122
10.3700 4.41e-02 9.12e+11 1.63e-03 1.63e-03 1.64e-03 1.99e-03 1s.2p 3P1 1s.3s 3S1 4 8 53778398 63421610
* 10.4896 1.77e+00 2.14e+13 1.80e-03 1.80e-03 1.80e-03 3.30e-03 1s.2p 1P1 1s.3d 1D2 7 17 54044341 63577550
10.5020 7.90e-02 1.59e+12 2.81e-03 2.81e-03 2.82e-03 3.42e-03 1s.2p 3P2 1s.3s 3S1 6 8 53899600 63421610
10.5878 4.55e-02 2.71e+12 4.83e-03 4.83e-03 4.83e-03 4.24e-03 1s.2p 1P1 1s.3s 1S0 7 10 54043577 63488390

Created by Giulio Del Zanna on Wed Apr 16 17:43:06 2025