CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Ar IV - 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]=5.05, 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)

448.5220 7.53e-03 6.24e+07 6.73e-04 1.86e-03 1.95e-03 1.29e-03 3s2.3p3 4S3/2 3s.3p4 2P3/2 1 30 0 222954.7
451.2090 1.97e+00 3.22e+10 3.32e-01 2.84e-01 3.23e-01 3.36e-01 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4P1/2 1 26 0 221626.8
451.8740 3.91e+00 3.19e+10 6.63e-01 5.63e-01 6.43e-01 6.68e-01 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4P3/2 1 27 0 221300.41
452.9270 5.85e+00 3.17e+10 1.00e+00 8.55e-01 1.00e+00 1.00e+00 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4P5/2 1 28 0 220786.09
492.7880 1.59e+00 2.18e+10 9.52e-02 2.57e-01 2.77e-01 2.03e-01 3s2.3p3 2D3/2 3s.3p4 2P1/2 2 29 21090.4 224017.41
495.3820 6.51e-01 4.42e+09 4.31e-02 1.19e-01 1.25e-01 8.29e-02 3s2.3p3 2D3/2 3s.3p4 2P3/2 2 30 21090.4 222954.7
495.6990 2.36e+00 1.60e+10 1.56e-01 4.32e-01 4.54e-01 3.00e-01 3s2.3p3 2D5/2 3s.3p4 2P3/2 3 30 21219.301 222954.7
499.7970 9.36e-03 6.24e+07 1.17e-03 9.94e-04 1.14e-03 1.18e-03 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4P3/2 3 27 21219.301 221300.41
* 527.1440 9.03e-05 3.74e+05 1.83e-02 5.17e-02 6.99e-03 1.52e-05 3s2.3p3 4S3/2 3s2.3p2(3P)3d 2F5/2 1 22 0 189701.47
528.6480 6.50e-02 7.75e+08 3.15e-03 8.50e-03 9.16e-03 6.71e-03 3s2.3p3 2P1/2 3s.3p4 2P1/2 4 29 34855.5 224017.41
529.1430 7.85e-02 9.34e+08 3.79e-03 1.02e-02 1.10e-02 8.09e-03 3s2.3p3 2P3/2 3s.3p4 2P1/2 5 29 35032.602 224017.41
531.6340 4.25e-02 2.50e+08 2.28e-03 6.29e-03 6.62e-03 4.38e-03 3s2.3p3 2P1/2 3s.3p4 2P3/2 4 30 34855.5 222954.7
532.1350 1.08e-01 6.34e+08 5.75e-03 1.59e-02 1.67e-02 1.11e-02 3s2.3p3 2P3/2 3s.3p4 2P3/2 5 30 35032.602 222954.7
532.4220 1.43e-03 5.61e+06 1.95e-01 2.68e-01 9.16e-02 2.31e-04 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4D5/2 1 20 0 187820.8
533.6260 7.34e-04 4.30e+06 8.79e-02 1.15e-01 4.56e-02 1.18e-04 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4D3/2 1 19 0 187397.09
533.9320 1.12e-04 1.31e+06 1.69e-02 2.16e-02 7.47e-03 1.80e-05 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4D1/2 1 18 0 187289.8
535.7890 0.00e+00 8.32e-01 8.86e-03 4.24e-04 1.56e-08 4.39e-11 3s2.3p3 2D5/2 3s2.3p2(3P)3d 2G9/2 3 25 21219.301 207859.91
536.0740 1.58e-03 4.57e+06 8.61e-02 3.57e-01 7.24e-02 1.93e-04 3s2.3p3 2D5/2 3s2.3p2(3P)3d 2G7/2 3 24 21219.301 207760.8
552.3890 1.29e-05 4.69e+04 5.44e-03 8.20e-03 9.66e-04 2.03e-06 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4F5/2 1 15 0 181032
553.4580 3.28e-06 1.79e+04 9.92e-04 1.45e-03 2.45e-04 5.18e-07 3s2.3p3 4S3/2 3s2.3p2(3P)3d 4F3/2 1 14 0 180682.3
* 593.3400 5.81e-04 1.84e+06 8.00e-02 2.26e-01 3.06e-02 6.65e-05 3s2.3p3 2D3/2 3s2.3p2(3P)3d 2F5/2 2 22 21163.939 189701.47
* 593.3400 4.58e-04 1.45e+06 6.29e-02 1.77e-01 2.40e-02 5.22e-05 3s2.3p3 2D5/2 3s2.3p2(3P)3d 2F5/2 3 22 21163.939 189701.47
* 593.3400 1.71e-04 4.13e+05 2.15e-01 6.29e-01 9.73e-03 1.99e-05 3s2.3p3 2D5/2 3s2.3p2(3P)3d 2F7/2 3 23 21163.939 189701.47
596.6430 5.16e-05 1.21e+05 2.65e-01 3.94e-01 2.79e-03 5.85e-06 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4D7/2 3 21 21219.301 188823.8
599.7710 4.08e-05 1.26e+05 3.89e-03 5.35e-03 1.83e-03 4.61e-06 3s2.3p3 2D3/2 3s2.3p2(3P)3d 4D5/2 2 20 21090.4 187820.8
600.2350 1.50e-04 4.62e+05 1.42e-02 1.96e-02 6.68e-03 1.69e-05 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4D5/2 3 20 21219.301 187820.8
601.2990 9.47e-06 4.36e+04 7.93e-04 1.04e-03 4.11e-04 1.07e-06 3s2.3p3 2D3/2 3s2.3p2(3P)3d 4D3/2 2 19 21090.4 187397.09
601.6870 4.53e-04 4.18e+06 4.81e-02 6.14e-02 2.12e-02 5.11e-05 3s2.3p3 2D3/2 3s2.3p2(3P)3d 4D1/2 2 18 21090.4 187289.8
601.7650 5.77e-04 2.65e+06 4.82e-02 6.32e-02 2.50e-02 6.49e-05 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4D3/2 3 19 21219.301 187397.09
621.2110 0.00e+00 1.69e+00 3.86e-02 9.00e-04 4.16e-08 1.07e-10 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4F9/2 3 17 21219.301 182195.09
623.7770 3.47e-04 7.43e+05 1.98e-01 3.28e-01 1.73e-02 3.78e-05 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4F7/2 3 16 21219.301 181533
625.2280 1.22e-04 3.47e+05 3.56e-02 5.37e-02 6.33e-03 1.33e-05 3s2.3p3 2D3/2 3s2.3p2(3P)3d 4F5/2 2 15 21090.4 181032
625.7330 2.98e-04 8.45e+05 8.67e-02 1.31e-01 1.54e-02 3.23e-05 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4F5/2 3 15 21219.301 181032
626.5980 3.57e-04 1.52e+06 7.43e-02 1.09e-01 1.84e-02 3.88e-05 3s2.3p3 2D3/2 3s2.3p2(3P)3d 4F3/2 2 14 21090.4 180682.3
627.1050 1.53e-05 6.49e+04 3.18e-03 4.66e-03 7.86e-04 1.66e-06 3s2.3p3 2D5/2 3s2.3p2(3P)3d 4F3/2 3 14 21219.301 180682.3
637.9850 9.53e-04 7.81e+06 9.73e-05 1.02e-03 1.14e-03 1.02e-04 3s2.3p3 2D3/2 3s.3p4 2S1/2 2 13 21090.4 177833.91
* 646.2900 1.11e-05 2.94e+04 1.17e-03 3.32e-03 4.49e-04 9.76e-07 3s2.3p3 2P3/2 3s2.3p2(3P)3d 2F5/2 5 22 34972.184 189701.47
654.5010 4.60e-05 1.19e+05 3.37e-03 4.64e-03 1.58e-03 4.00e-06 3s2.3p3 2P3/2 3s2.3p2(3P)3d 4D5/2 5 20 35032.602 187820.8
656.3210 3.31e-05 1.28e+05 2.13e-03 2.79e-03 1.10e-03 2.87e-06 3s2.3p3 2P3/2 3s2.3p2(3P)3d 4D3/2 5 19 35032.602 187397.09
656.7830 3.29e-05 2.54e+05 2.68e-03 3.43e-03 1.18e-03 2.85e-06 3s2.3p3 2P3/2 3s2.3p2(3P)3d 4D1/2 5 18 35032.602 187289.8
683.2790 1.29e-01 9.22e+08 8.28e-02 1.72e-01 1.84e-01 1.28e-02 3s2.3p3 2D3/2 3s2.3p2(3P)3d 2P1/2 2 11 21090.4 167443.5
684.9340 7.98e-05 1.89e+05 1.77e-02 2.67e-02 3.14e-03 6.60e-06 3s2.3p3 2P3/2 3s2.3p2(3P)3d 4F5/2 5 15 35032.602 181032
685.7450 9.98e-05 3.54e+05 1.58e-02 2.32e-02 3.91e-03 8.27e-06 3s2.3p3 2P1/2 3s2.3p2(3P)3d 4F3/2 4 14 34855.5 180682.3
686.5790 1.32e-05 4.68e+04 2.10e-03 3.07e-03 5.18e-04 1.09e-06 3s2.3p3 2P3/2 3s2.3p2(3P)3d 4F3/2 5 14 35032.602 180682.3
688.4110 2.42e-02 8.52e+07 1.58e-02 3.31e-02 3.50e-02 2.38e-03 3s2.3p3 2D3/2 3s2.3p2(3P)3d 2P3/2 2 12 21090.4 166352.5
689.0220 2.40e-01 8.43e+08 1.56e-01 3.27e-01 3.45e-01 2.36e-02 3s2.3p3 2D5/2 3s2.3p2(3P)3d 2P3/2 3 12 21219.301 166352.5
699.4060 7.42e-02 5.06e+08 5.75e-03 6.02e-02 6.71e-02 6.01e-03 3s2.3p3 2P1/2 3s.3p4 2S1/2 4 13 34855.5 177833.91
700.2740 1.48e-01 1.00e+09 1.14e-02 1.19e-01 1.33e-01 1.19e-02 3s2.3p3 2P3/2 3s.3p4 2S1/2 5 13 35032.602 177833.91
754.2160 9.15e-03 5.36e+07 4.36e-03 9.04e-03 9.70e-03 6.75e-04 3s2.3p3 2P1/2 3s2.3p2(3P)3d 2P1/2 4 11 34855.5 167443.5
755.2250 4.69e-03 2.74e+07 2.23e-03 4.62e-03 4.95e-03 3.45e-04 3s2.3p3 2P3/2 3s2.3p2(3P)3d 2P1/2 5 11 35032.602 167443.5
760.4740 3.99e-03 1.15e+07 1.93e-03 4.04e-03 4.27e-03 2.91e-04 3s2.3p3 2P1/2 3s2.3p2(3P)3d 2P3/2 4 12 34855.5 166352.5
761.4990 1.28e-02 3.67e+07 6.16e-03 1.29e-02 1.36e-02 9.29e-04 3s2.3p3 2P3/2 3s2.3p2(3P)3d 2P3/2 5 12 35032.602 166352.5
800.5790 1.08e-02 1.88e+07 1.92e-02 5.37e-02 5.01e-02 8.80e-04 3s2.3p3 2D3/2 3s.3p4 2D5/2 2 10 21090.4 146000
801.0890 1.40e-01 3.65e+08 2.05e-01 6.64e-01 6.21e-01 1.14e-02 3s2.3p3 2D3/2 3s.3p4 2D3/2 2 9 21090.4 145920.5
801.4060 2.03e-01 3.50e+08 3.58e-01 1.00e+00 9.34e-01 1.64e-02 3s2.3p3 2D5/2 3s.3p4 2D5/2 3 10 21219.301 146000
801.9170 9.97e-03 2.58e+07 1.45e-02 4.70e-02 4.39e-02 8.07e-04 3s2.3p3 2D5/2 3s.3p4 2D3/2 3 9 21219.301 145920.5
840.0280 4.52e-02 2.14e+08 1.98e-01 2.39e-01 2.39e-01 4.50e-03 3s2.3p3 4S3/2 3s.3p4 4P1/2 1 6 0 119043.7
843.7650 9.05e-02 2.12e+08 2.28e-01 3.53e-01 3.60e-01 8.93e-03 3s2.3p3 4S3/2 3s.3p4 4P3/2 1 7 0 118516.4
850.5960 1.36e-01 2.09e+08 7.63e-01 7.40e-01 7.50e-01 1.33e-02 3s2.3p3 4S3/2 3s.3p4 4P5/2 1 8 0 117564.6
900.3740 1.37e-02 2.82e+07 1.41e-02 4.56e-02 4.27e-02 7.84e-04 3s2.3p3 2P1/2 3s.3p4 2D3/2 4 9 34855.5 145920.5
901.1660 2.97e-02 4.06e+07 3.68e-02 1.03e-01 9.61e-02 1.69e-03 3s2.3p3 2P3/2 3s.3p4 2D5/2 5 10 35032.602 146000
901.8120 5.63e-04 1.15e+06 5.77e-04 1.86e-03 1.74e-03 3.20e-05 3s2.3p3 2P3/2 3s.3p4 2D3/2 5 9 35032.602 145920.5
1107.4771 0.00e+00 1.44e-01 7.43e-04 3.55e-05 1.30e-09 3.68e-12 3s.3p4 4P5/2 3s2.3p2(3P)3d 2G9/2 8 25 117564.6 207859.91
1547.2570 0.00e+00 9.50e+00 8.71e-02 2.03e-03 9.38e-08 2.41e-10 3s.3p4 4P5/2 3s2.3p2(3P)3d 4F9/2 8 17 117564.6 182195.09
1616.5560 0.00e+00 8.36e+00 2.95e-02 1.41e-03 5.18e-08 1.46e-10 3s.3p4 2D5/2 3s2.3p2(3P)3d 2G9/2 10 25 146000 207859.91
2854.4839 0.00e+00 2.13e+00 3.77e-01 3.88e-03 4.10e-08 7.76e-11 3s2.3p3 4S3/2 3s2.3p3 2P3/2 1 5 0 35032.602
2868.9880 0.00e+00 8.70e-01 1.63e-01 7.88e-04 8.35e-09 1.58e-11 3s2.3p3 4S3/2 3s2.3p3 2P1/2 1 4 0 34855.5
3896.3850 0.00e+00 5.37e-01 7.86e-04 3.76e-05 1.38e-09 3.89e-12 3s2.3p2(3P)3d 4F9/2 3s2.3p2(3P)3d 2G9/2 17 25 182195.09 207859.91
4712.6909 0.00e+00 1.91e-03 1.90e-02 4.67e-06 4.39e-11 7.52e-14 3s2.3p3 4S3/2 3s2.3p3 2D5/2 1 3 0 21219.301
4741.4941 0.00e+00 2.28e-02 1.37e-01 3.49e-05 3.50e-10 5.96e-13 3s2.3p3 4S3/2 3s2.3p3 2D3/2 1 2 0 21090.4
7172.4678 0.00e+00 8.91e-01 6.28e-02 6.46e-04 6.82e-09 1.29e-11 3s2.3p3 2D3/2 3s2.3p3 2P3/2 2 5 21090.4 35032.602
7239.3989 0.00e+00 6.56e-01 4.57e-02 4.71e-04 4.97e-09 9.40e-12 3s2.3p3 2D5/2 3s2.3p3 2P3/2 3 5 21219.301 35032.602
7264.7490 0.00e+00 6.66e-01 4.92e-02 2.38e-04 2.52e-09 4.77e-12 3s2.3p3 2D3/2 3s2.3p3 2P1/2 2 4 21090.4 34855.5
7333.4219 0.00e+00 1.18e-01 8.64e-03 4.18e-05 4.43e-10 8.36e-13 3s2.3p3 2D5/2 3s2.3p3 2P1/2 3 4 21219.301 34855.5

Created by Giulio Del Zanna on Wed Apr 16 17:42:13 2025