Mg XII - VERSION 11.0

The CHIANTI database has the following primary ASCII files for this ion:

  1. mg_12.elvlc (energy levels)

    2. contains the energy levels (in cm-1). It includes both experimental and theoretical values of the levels energies. 

     
%filename: mg_12.elvlc
%observed energy levels: Martin, W.C., Sugar, J., Musgrove, A., Dalton, G.R., 1995, 
    NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61.
%comment: theoretical energy levels are the same as the observed ones
%comment:     15829955      Limit 
%produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
%
% K.P.Dere 2000

  2. mg_12.wgfa (radiative data)

    3. 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: mg_12.wgfa
%observed energy levels: Martin,W.C., Sugar,J., Musgrove,A., Dalton,G.R., 1995, 
   NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61.
% A values: Parpia,F.A., Johnson,W.R., 1982, Phys.Rev.A, 26, 1142.
%oscillator strengths: Wiese,W.L., Smith,M.W., Glennon,B.M., 1966, Atomic Transition Probabilities, NSRDS-NBS-4.
%note: Wiese's oscillator strengths are hydrogenic
%produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
%  
% Ken Dere - 1998
%File processed with wgfa_tidy by pryoung on  6-Mar-2019
%File processed with wgfa_tidy by pryoung on 31-May-2023

  3. mg_12.scups (electron collision data)

    4. contains the effective electron collision strengths scaled according to the rules formulated by Burgess and Tully (1992). 

     
%  K.P.Dere and E. Landi - Jan 2005                                                                                         
%                                                                                                                           
%produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration                                     
%comment: corrected the effective collision strengths for transition 2-5 from V 4.2 - E.Landi, July 16, 2004                
%effective collision strengths: interpolation of Aggarwal,K.M., Kingston,A.E., 1991, J. Phys. B, 24, 4583                   
%oscillator strengths: Wiese,W.L., Smith,M.W., Glennon,B.M., 1966, Atomic Transition Probabilities, NSRDS-NBS-4 (hydrogenic)
%filename: mg_12.splups

  4. (proton collisional data) Not available in this VERSION.

  5. mg_12.reclvl (total recombination population rates) 

    6.  
%filename: mg_12.reclvl
%Radiative recombination rates: Mewe, R, Gronenschild, E.H.B.M, and van den Oord, G.H.J, 1982, A&AS, 62, 197
%produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration
%
% E. Landi - Aug 2006

    The html table below contains the radiative data of the brightest lines sorted in wavelength

    mg_12_table.html (html table)

    Page created by Giulio Del Zanna on Tue Dec 3 13:24:19 2024