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: http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/o/o_8.html
Дата изменения: Thu Sep 15 16:54:13 2005 Дата индексирования: Sat Dec 22 13:49:34 2007 Кодировка: |
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:
%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: 7028393.6 Limit %comment: theoreical energy levels are identical to the observed ones. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P.Dere 1999
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:
%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 (hydrogenic) %comment: 7028393.6 Limit %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P.Dere 1999
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: o_8.splups %oscillator strengths: Wiese, W.L., Smith, M.W., Glennon, B.M., 1966, Atomic Transition Probabilities, NSRDS-NBS-4 (hydrogenic) %collision strengths: interpolation of R-matrix calculations of Aggarwal,K.M., Kingston,A.E., 1991, J. Phys. B, 24, 4583 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P.Dere - Aug 1998