References for Al IX

.elvlc file (energy levels)

%energy levels (n=2): Edlen, B, 1983, Phys. Scripta, 28, 483
%energy levels (n=3): Martin,W.C., Sugar,J., Musgrove,A., Dalton,G.R., 1995, NIST Database Version 1.0.
%comment: energy of level 55 estimated by comparison with Sampson's values
%theoretical energy levels: Sampson and Zhang, 1995, unpublished calculations
%produced as part of the Arcetri/Cambridge/NRL atomic data base collaboration
%
% K.P.Dere and E.Landi 1999

.splups file (collision data)

% produced as part of the Arcetri/Cambridge/NRL atomic data base collaboration
%produced as part of the Arcetri/Cambridge/NRL atomic data base collaboration
%energy levels:  Martin, W. C., Sugar, J., Musgrove, A., and Dalton, G. R., 1995, 
 NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61.
%comment:  energy of level 55 estimated by comparison with Sampson's values
%collision strengths:  Zhang, H. L., Graziani, M., and Pradhan, A. K.,
1994, A&A, 283, 319.

.wgfa file (radiative data)

%energy levels (n=2): Edlen, B, 1983, Phys. Scripta, 28, 483
%energy levels (n=3): Martin,W.C., Sugar,J., Musgrove,A., Dalton,G.R., 1995, NIST Database Version 1.0
%oscillator strengths (n=3): Sampson and Zhang, 1995, unpublished calculations
%note:  gf and A values for transitions O5-K1 and O6-K2 are estimates