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: http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/ar/ar_16.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 (1-24): Kelly,R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1. %Theoretical energy levels (1-24): Zhang,H.L.,Sampson,D.H.,Fontes,C.J., 1990, ADNDT, 44, 31. %Innershell observed energy levels: Kelly,R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1. %Energy levels lev. 25: Fuhr, J.R., Kelleher, D.E., Martin, W.C., Musgrove, A., Sugar, J., Wiese, W.L., Dalton, G.R., Dragoset, R.A., Mohr, P.J., Olsen, K., Reader, J., Saloman, E.B., Sansonetti, C.J., Wiersma, G., "NIST Atomic Spectra Database" Ver. 2.0, March 1999, NIST Physical Reference Data %Innershell theoretical energy levels: Goett, S.J., Sampson, D.H., 1983, ADNDT, 29, 535 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi - Nov 1999
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: Kelly,R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1. %observed energy levels lev. 25: Fuhr, J.R., et al. 1999 "NIST Atomic Spectra Database" Ver. 2.0 March 1999. NIST Physical Reference Data. %Theoretical energy levels: Zhang,H.L., Sampson,D.H., Fontes,C.J., 1990, ADNDT, 44, 31. %oscillator strengths: H.L.Zhang, D.H.Sampson, C.J.Fontes, ADNDT, 44, 31, 1990 %oscillator strengths: Martin,I., Karwowski,J., Diercksen,G.H.F., Barrientos,C., 1993, A&AS, 100, 595. %Innershell radiative data: Goett, S.J., Sampson, D.H., 1983, ADNDT, 29, 535 %Innershell energy levels: Kelly,R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi and K.P.Dere - Nov 1999
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: ar_16.splups %oscillator strengths and collision strengths: Zhang, Sampson, Fontes, 1990, ADNDT, 44, 31 %Innershell collision strengths: Goett, S.J., Sampson, D.H., 1983, ADNDT, 29, 535 %Innershell oscillator strengths: Goett, S.J., Sampson, D.H., 1983, ADNDT, 29, 535 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration CHIANTI % % E.Landi Nov 1999