CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Ar XVII - VERSION 5.1


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]=7.00, 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)

3.1281 2.53e-02 5.75e+12 1.26e-02 1.26e-02 1.26e-02 9.71e-03 1s2 1S0/2 1s.5p 1P2/2 1 37 0 31967860
3.1996 5.28e-02 1.15e+13 2.99e-02 2.99e-02 2.98e-02 2.30e-02 1s2 1S0/2 1s.4p 1P2/2 1 23 0 31254280
3.2011 9.92e-04 2.15e+11 1.50e-03 1.50e-03 1.52e-03 1.36e-03 1s2 1S0/2 1s.4p 3P2/2 1 21 0 31239620
3.3655 1.45e-01 2.84e+13 1.04e-01 1.04e-01 1.04e-01 8.05e-02 1s2 1S0/2 1s.3p 1P2/2 1 13 0 29713740
3.3695 2.55e-03 4.99e+11 5.99e-03 5.99e-03 6.19e-03 6.16e-03 1s2 1S0/2 1s.3p 3P2/2 1 11 0 29678060
3.9488 7.55e-01 1.08e+14 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1s2 1S0/2 1s.2p 1P2/2 1 7 0 25323950
3.9656 0.00e+00 3.16e+08 1.65e-01 1.65e-01 2.03e-01 3.72e-03 1s2 1S0/2 1s.2p 3P4/2 1 6 0 25216811
3.9691 1.29e-02 1.82e+12 2.35e-01 2.35e-01 2.83e-01 5.71e-01 1s2 1S0/2 1s.2p 3P2/2 1 5 0 25194589
3.9939 0.00e+00 4.80e+06 4.53e-01 4.53e-01 3.55e-01 2.52e-05 1s2 1S0/2 1s.2s 3S2/2 1 2 0 25038230
14.4433 6.27e-02 4.01e+11 1.26e-03 1.26e-03 1.27e-03 1.06e-03 1s.2s 3S2/2 1s.5p 3P4/2 2 36 25038230 31961850
16.1182 1.54e-01 7.91e+11 2.93e-03 2.93e-03 2.96e-03 2.56e-03 1s.2s 3S2/2 1s.4p 3P4/2 2 22 25038230 31242390
16.1254 9.08e-02 7.76e+11 1.07e-03 1.07e-03 1.09e-03 9.73e-04 1s.2s 3S2/2 1s.4p 3P2/2 2 21 25038230 31239620
21.5221 6.19e-01 1.78e+12 9.57e-03 9.57e-03 9.81e-03 9.33e-03 1s.2s 3S2/2 1s.3p 3P4/2 2 12 25038230 29684630
21.5526 3.64e-01 1.74e+12 3.27e-03 3.27e-03 3.38e-03 3.37e-03 1s.2s 3S2/2 1s.3p 3P2/2 2 11 25038230 29678060
21.5596 1.23e-01 1.77e+12 1.29e-03 1.29e-03 1.34e-03 1.35e-03 1s.2s 3S2/2 1s.3p 3P0/2 2 10 25038230 29676540
* 22.1461 5.22e-01 1.42e+12 5.54e-04 5.54e-04 6.68e-04 1.27e-03 1s.2p 3P2/2 1s.3d 3D4/2 5 15 25204861 29720333
22.2365 1.62e+00 3.13e+12 1.18e-03 1.18e-03 1.49e-03 3.19e-03 1s.2p 3P4/2 1s.3d 3D6/2 6 16 25216811 29713920
22.5212 1.36e-02 5.95e+10 9.58e-04 9.58e-04 1.03e-03 1.28e-03 1s.2p 3P2/2 1s.3s 3S2/2 5 8 25194589 29634850
22.6345 3.78e-02 1.64e+11 2.63e-03 2.63e-03 2.83e-03 3.52e-03 1s.2p 3P4/2 1s.3s 3S2/2 6 8 25216811 29634850
22.7733 2.09e+00 5.36e+12 8.94e-04 8.94e-04 9.59e-04 1.18e-03 1s.2p 1P2/2 1s.3d 1D4/2 7 17 25323950 29715070
22.9661 4.08e-02 5.15e+11 4.32e-03 4.32e-03 4.31e-03 3.33e-03 1s.2p 1P2/2 1s.3s 1S0/2 7 9 25323950 29678210
559.9713 1.50e-01 3.61e+08 1.34e-03 1.34e-03 1.64e-03 3.01e-05 1s.2s 3S2/2 1s.2p 3P4/2 2 6 25038230 25216811

Created by Giulio Del Zanna on Wed Sep 14 15:43:04 2005