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.
Observed energies: Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2012). NIST Atomic Spectra Database (ver. 5.0), [Online]. Available: http://physics.nist.gov/ Theoretical energies: Liang, G. and Badnell, N.R., A&A 528, A69 (2011) DOI: 10.1051/0004-6361/201016417 Produced for the CHIANTI database v.8 by G. Del Zanna 2014 Dec 17 -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.
Observed energies: Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2012). NIST Atomic Spectra Database (ver. 5.0), [Online]. Available: http://physics.nist.gov/ Theoretical energies, gf and A-values: Liang, G. and Badnell, N.R., A&A 528, A69 (2011) DOI: 10.1051/0004-6361/201016417 Note: only transitions with a branching ratio above 10^-5 have been retained. The autoionization rates have been calculated using AUTOSTRUCTURE v.24.24 and the same set of scaling parameters used by Liang and Badnell Produced for the CHIANTI database v.8 by Giulio Del Zanna 10 Mar 2015 %File processed with wgfa_tidy by pryoung on 6-Mar-2019 %File processed with wgfa_tidy by pryoung on 31-May-2023
contains the effective electron collision strengths scaled according to the rules formulated by Burgess and Tully (1992).
Produced for the CHIANTI database v.8 by G. Del Zanna 2014 Dec 17 DOI: 10.1051/0004-6361/201016417 Liang, G. and Badnell, N.R., A&A 528, A69 (2011) Data from
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