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Дата изменения: Thu Sep 15 16:58:04 2005 Дата индексирования: Sat Dec 22 14:03:22 2007 Кодировка: Поисковые слова: год високосный |
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: from the line list of Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8 %Observed energy levels (level 4): from the line list of Feldman et al., 1998, ApJ, 503, 467 %Observed energy levels (6,7,8): from the line list of Thomas & Neupert, 1994, ApJS, 91, 461 %Observed energy levels (level 9): from the line list of Young, Landi & Thomas, 1998, A&A, 329, 291 %Observed energy levels (level 15): from the line list of Brosius, Davila & Thomas, 1998, ApJS, 119, 255 %Observed energy levels (level 37): from the line list of Landi & Phillips, 2005, ApJ, in press %Theoretical energy levels: Landi & Gu, 2005, ApJ, in press %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - Nov 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: from the line list of Shirai,T., Sugar,J., Musgrove,A., Wiese,W.L.,2000, J.Phys.Chem.Ref.Data, Monograph 8 %Observed energy levels (level 4): from the line list of Feldman et al., 1998, ApJ, 503, 467 %Observed energy levels (6,7,8): from the line list of Thomas & Neupert, 1994, ApJS, 91, 461 %Observed energy levels (level 9): from the line list of Young, Landi & Thomas, 1998, A&A, 329, 291 %Observed energy levels (level 15): from the line list of Brosius, Davila & Thomas, 1998, ApJS, 119, 255 %Observed energy levels (level 37): from the line list of Landi & Phillips 2005, ApJ, in press %Theoretical energy levels: Landi & Gu, 2005, ApJ, in press %A and gf values: Landi & Gu, 2005, ApJ, in press %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - Nov 2003
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: fe_17.splups %oscillator strengths: Landi & Gu, 2005, ApJ, in press %Collision strengths (all levels): Landi & Gu, 2005, ApJ, in press %Effective collision strengths (n=3 levels): Gu, M.F., 2003, ApJ, 582, 1241 %Comment: effective collision strengths from Gu (2003) have been summed to the distorted-wave collision strengths from Landi \& Gu (2005). %Comment: effective collision strengths are given in the temperature range 1.16e6 < T < 5.8e7 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - Jan 2005