The CHIANTI database has the following primary ASCII files for this ion:
contains the energy levels (in cm-1). It includes both experimental and theoretical values of the levels energies.
%filename: ca_8.elvlc %observed energy levels: Churilov S.S., Levashov V.E., 1993, Physica Scripta 48, 425 %theoretical energy levels: Churilov S.S., Levashov V.E., 1993, Physica Scripta 48, 425 %comment: Churilov et al. experimental energies have been used to calculate A values from line strengths, so they are reported instead of the theoretical energies %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - Aug 2001
contains wavelengths, gf and A values of the transitions. The wavelengths are based on the experimental energy levels and should be the best available. Wavelengths calculated from the theoretical energies are of an indeterminate accuracy and their values are presented as negative values of the calculated wavelength.
%filename: ca_8.wgfa %observed energy levels: Churilov S.S., Levashov V.E., 1993, Physica Scripta 48, 425 %Radiative data: Landi, Storey & Zeippen 2004, ApJ, 607, 640 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - Sept 2001 K. Dere - minimum branching ratio = 1.00e-05 2017 December 06 %File processed with wgfa_tidy by pryoung on 6-Mar-2019 %File processed with wgfa_tidy by pryoung on 31-May-2023
contains the effective electron collision strengths scaled according to the rules formulated by Burgess and Tully (1992).
% Enrico Landi - Sept 2001 % %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration %Comment: upsilon have been fitted in the range 4.5 < Log T < 7.0 %effective collision strengths: Landi, Storey & Zeippen, 2004, ApJ, 607, 640 %oscillator strengths: Landi, Storey, & Zeippen, 2004, ApJ, 607, 640 %filename: ca_8.splups
Page created by Giulio Del Zanna on Tue Dec 3 13:23:29 2024