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: http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/cl/cl_11.html
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The CHIANTI database consists of 4 primary ASCII files for each ion in the database.
contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies.
References:
%Observed energy levels: Edlen, 1984, Phys.Scripta, 30, 135 %Theoretical energy levels ground configuration: Merkelis et al, 1999, Physica Scripta, 59, 122 %Theoretical energy levels excited configurations: Merkelis et al, 1997, Physica Scripta, 56, 41 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi - 2004
contains wavelengths, gf and A values for each transition. Wavelengths are based on experimental level energies where available; wavelengths calculated from theoretical energies are less accurate and are given as negative values.
References:
%Observed energy levels: Edlen, 1984, Phys.Scripta, 30, 135 %A values for transitions within the ground configuration: Merkelis et al, 1999, Physica Scripta, 59, 122 %A values for all other transitions: Merkelis et al, 1997, Physica Scripta, 56. 41 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E.Landi - Oct 2004
contains the spline fits to the electron collision strengths scaled according to Burgess and Tully (1992). Accurate replication of the temperature averaged collision strength over a wide range of temperatures can be accomplished with the data in this file.
References:
%filename: cl_11.splups %Oscillator strengths: Zhang & Sampson, 1999, ADNDT, 72, 153 %Collision strengths: Zhang & Sampson, 1999, ADNDT, 72, 153 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi - Oct 2004