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: http://www.arcetri.astro.it/science/chianti/chianti_4.01/database/fe/fe_7.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:
%energy levels: J. Sugar and C. Corliss, 1985, J. Phys. Chem. Ref. Data., 14, Supplement No.2. %theoretical energy levels: Norrington, P.H., Grant, I.P., 1987, J. Phys. B, 20, 4869. % produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P. Dere, Oct 1995
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: J. Sugar, C. Corliss, 1985, J.Phys.Chem.Ref.Data., 14, Supplement No.2 %transition probabilities: Nussbaumer, H., Storey, P.J., 1982, A&A, 113, 21 % produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P. Dere, Oct. 1995
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: fe_7.splups %oscillator strengths: Nussbaumer, H., Storey, P.J., 1982, A&A, 113, 2 %effective collision strengths: Keenan, F.P., Norrington, P.H., 1987, A&A, 181, 370 %comment: effective collision strengths were provided in the temperature range 3.9 < log T < 5.1 % produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P. Dere - Oct 1995