CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


Mg I - 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]=4.00, where the ion fraction peaks in ionization equilibrium. Only lines brighter than 0.001 the strongest line (at all densities) are retained.


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)

2026.4771 2.27e-01 1.24e+08 1.71e-02 2.64e-02 3.88e-02 2.35e-02 2p6.3s2 1S0 3s.4p 1P1 1 15 0 49346.729
2852.9641 3.44e+00 9.50e+08 7.23e-01 1.00e+00 1.00e+00 1.00e+00 2p6.3s2 1S0 3s.3p 1P1 1 5 0 35051.264
3830.4409 5.99e-01 9.25e+07 8.25e-03 1.34e-02 1.99e-02 1.13e-02 3s.3p 3P0 3s.3d 3D1 2 14 21850.405 47957.058
3833.3870 4.49e-01 6.93e+07 6.17e-03 1.00e-02 1.49e-02 8.48e-03 3s.3p 3P1 3s.3d 3D1 3 14 21870.464 47957.058
3833.3911 1.35e+00 1.25e+08 1.04e-02 2.78e-02 4.46e-02 2.54e-02 3s.3p 3P1 3s.3d 3D2 3 12 21870.464 47957.027
3839.3789 3.00e-02 4.61e+06 4.10e-04 6.67e-04 9.89e-04 5.63e-04 3s.3p 3P2 3s.3d 3D1 4 14 21911.178 47957.058
3839.3811 2.52e+00 1.66e+08 5.13e-02 6.38e-02 8.28e-02 4.73e-02 3s.3p 3P2 3s.3d 3D3 4 13 21911.178 47957.045
3839.3831 4.50e-01 4.15e+07 3.45e-03 9.22e-03 1.48e-02 8.44e-03 3s.3p 3P2 3s.3d 3D2 4 12 21911.178 47957.027
4563.8809 6.24e-11 4.01e-03 1.03e-01 1.21e-05 1.38e-10 2.91e-11 2p6.3s2 1S0 3s.3p 3P2 1 4 0 21911.178
4572.3770 2.32e-06 2.48e+02 1.00e+00 3.18e-01 5.12e-06 1.08e-06 2p6.3s2 1S0 3s.3p 3P1 1 3 0 21870.464
5168.7612 1.37e-01 1.16e+07 1.43e-02 2.16e-02 5.59e-03 2.78e-03 3s.3p 3P0 3s.4s 3S1 2 6 21850.405 41197.403
5174.1250 4.10e-01 3.47e+07 4.29e-02 6.47e-02 1.67e-02 8.31e-03 3s.3p 3P1 3s.4s 3S1 3 6 21870.464 41197.403
5185.0479 6.84e-01 5.76e+07 7.11e-02 1.07e-01 2.77e-02 1.38e-02 3s.3p 3P2 3s.4s 3S1 4 6 21911.178 41197.403
8809.1748 1.48e+00 2.59e+07 1.95e-02 2.93e-02 5.03e-03 2.87e-03 3s.3p 1P1 3s.3d 1D2 5 8 35051.264 46403.065
11831.4229 9.33e-01 4.46e+07 6.31e-03 8.77e-03 1.79e-03 1.12e-03 3s.3p 1P1 3s.4s 1S0 5 7 35051.264 43503.333
15029.0986 2.28e+00 1.36e+07 7.72e-03 1.01e-02 1.26e-03 7.16e-04 3s.4s 3S1 3s.4p 3P2 6 11 41197.403 47851.162
15044.3564 1.37e+00 1.35e+07 2.70e-03 6.52e-03 7.55e-04 4.28e-04 3s.4s 3S1 3s.4p 3P1 6 10 41197.403 47844.414
15051.8174 4.56e-01 1.35e+07 2.25e-03 2.83e-03 2.52e-04 1.42e-04 3s.4s 3S1 3s.4p 3P0 6 9 41197.403 47841.119
17113.3359 2.33e+00 1.77e+07 2.89e-04 4.46e-04 6.57e-04 3.98e-04 3s.4s 1S0 3s.4p 1P1 7 15 43503.333 49346.729

Created by Giulio Del Zanna on Wed Apr 16 17:43:26 2025