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: http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/fe/fe_13.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:
% filename: fe_13.elvlc %observed energy levels(1-3): Penn & Kuhn, 1994, ApJ, 434, 807 %observed energy levels(6,9- 11,13,15,16,22): Jupen et al., MNRAS, 264, 627, 1993 %observed energy levels(4-5,7-8,12,14,17-21,23-27): NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61, 1995. %Theoretical energy levels: Gupta, G.P., Tayal, S.S., 1998, ApJ, 506, 464 %Theoretical energy for level 6: Fawcett & Mason, 1989, ADNDT, 43, 245 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data collaboration % % E. Landi 2000
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 (1-3): Penn & Kuhn, 1994, ApJ, 434, 807 %observed energy levels (6,9- 11,13,15,16,22): Jupen et al., 1993, MNRAS, 264, 627 %observed energy levels(4-5,7-8,12,14,17-21,23-27): NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61, 1995. %A-values: Young, P.R., 2004, A&A, 417, 785 %comment: In Young (2004) the current A-values are compared with those in earlier versions of CHIANTI and excellent agreement is found. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Peter Young - 16-Jun-2003 %Prepared for the CHIANTI database by Peter Young, 16-Jun-2003
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_13.splups %oscillator strengths: SUPERSTRUCTURE calculation (see file fe_13.wgfa for details) % effective collision strengths: Gupta, G.P., Tayal, S.S., 1998, ApJ, 506, 464 %comment: effective collision strengths were given in the temperature range 5.7 < Log T < 6.7 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi - Apr 1999
contains the spline fits to the scaled proton collision strengths.
References:
%filename: fe_13.psplups %rates: Landman D.A., A&A 43, 285, 1975 %energies: Landman D.A., A&A 43, 285, 1975 %comment: Landman tabulates rates between the individual magnetic sublevels of the ground configuration levels. For CHIANTI we sum over these sublevels using Eq. 8 of Landman. %comment: These fits reproduce the original data to within 2%. The original data cover the temperature range 1e-6 to 3e-6. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Peter Young 12-Jun-2001