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.
Experimental energies: Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2013). NIST Atomic Spectra Database (ver. 5.1), see http://physics.nist.gov/asd Note: levels 3,4,5, 11, 21,22,23, 45, 49, 50, 51, 63, 64,65, 84, 91, 110 ,111, 112, 131, 154, 156 have a NIST energy that is known only relative to other energies. Theoretical energies: G Y Liang, N R Badnell and G Zhao A&A 547, A87 (2012) DOI: 10.1051/0004-6361/201220277 Produced for the CHIANTI database v.8 by G. Del Zanna 8 Nov 2014 -1
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.
Theoretical energies, gf and A-values: G Y Liang, N R Badnell and G Zhao A&A 547, A87 (2012) DOI: 10.1051/0004-6361/201220277 Note: only transitions with a branching ratio above 10^-5 have been retained. Transitions within the first 15 levels (2s 2p2, 2p3): P. Rynkun, P. Jonsson, G. Gaigalas, C. Froese Fischer Atomic Data and Nuclear Data Tables 98 (2012) 481, 556 Produced for the CHIANTI database v.8 by G. Del Zanna 8 Nov 2014
contains the effective electron collision strengths scaled according to the rules formulated by Burgess and Tully (1992).
Data are from G Y Liang, N R Badnell and G Zhao A&A 547, A87 (2012) DOI: 10.1051/0004-6361/201220277 Note: data for levels 8,9 have been corrected. Produced for the CHIANTI database v.8 by G. Del Zanna 8 Nov 2014
contains the spline fits to the scaled proton collision strengths.
%filename: mg_8.psplups %rates: Foster VJ, Keenan FP, Reid RHG, ADNDT 67, 99, 1997 %energies: From .elvlc file, experimental energies %comment: The rate coefficients are in units cm^3/s. %comment: Fits valid for temperatures 1e5 to 2.5e6 K. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Peter Young 15-May-2001
Page created by Giulio Del Zanna on Fri Sep 18 13:28:25 2015