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: http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/ne/ne_3.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: Fuhr, J.R., et al., 1999, "NIST Atomic Spectra Database" ver. 2.0
March 1999. NIST Physical Reference Data
%theoretical energy levels: Bhatia & Landi, 2005, ADNDT, 89, 139
comment: the NIST energy of level 2s2.2p3(2D).3p 3P2 has been associated to level 2s2.2p3(2D)3p 1D2
%produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
%
% E. Landi - Sept 2003
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: Fuhr, J.R., et al., 1999, "NIST Atomic Spectra Database" ver. 2.0
March 1999. NIST Physical Reference Data
%theoretical energy levels: Bhatia & Landi, 2005, ADNDT, 89, 139
%A-values (transitions 2-5, 4-5): Daw A., Parkinson W.H., Smith P.L., Calamai A.G., 2000, ApJ, 533, 179
%A values and oscillator strengths: Bhatia & Landi, 2005, ADNDT, 89, 139
%comment: The A-values from Daw et al. are experimentally determined and have
accuracies of +/- 9% (2-5) and +/- 7% (4-5)
%produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
%
% E. Landi - Feb 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: ne_3.splups %oscillator strengths: Landi & Bhatia 2005, ADNDT, 89, 139 %effective collision strengths within the ground configuration: McLaughlin B.M., Bell K.L., 2000, J.Phys.B, 33, 597 %Collision strengths: Landi & Bhatia 2005, ADNDT, 89, 139 %comment: effective collision strengths are provided in the temperature range 3.0 < Log T < 6.0 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % E. Landi - Nov 2003
contains the spline fits to the scaled proton collision strengths.
References:
%filename: ne_3.psplups %rates: Ryans R.S.I., Keenan F.P., Reid R.H.G., unpublished. %energies: Observed values, from .elvlc file %comment: Fits valid for temperatures 2e4 to 1e6 K. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Peter Young 15-May-2001