========================================================================== J/A+A/475/765 FeII forbidden lines ECF (Ramsbottom+, 2007) The following files can be converted to FITS (extension .fit .fgz or .fiZ) table1.dat table3.dat ========================================================================== Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/A+A/475/765 ==========================================================================
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Beginning of ReadMe : J/A+A/475/765 Fine structure forbidden lines in FeII (Ramsbottom+, 2007) ================================================================================ Electron-impact excitation of Fe II. Collision strengths and effective collision strengths for low-lying fine-structure forbidden transitions. Ramsbottom C.A., Hudson C.E., Norrington P.H., Scott M.P. <Astron. Astrophys. 475, 765 (2007)> =2007A&A...475..765R ================================================================================ ADC_Keywords: Atomic physics Keywords: atomic data - atomic processes - transitions; plasmas Abstract: Absorption or emission lines of Fe II are observed in many astrophysical spectra and accurate atomic data are required to interpret these lines. The calculation of electron-impact excitation rates for transitions among even the lowest lying levels of Fe II is a formidable task for theoreticians. Description: This table presents the effective collision strengths for 120 low-lying forbidden lines of Fe II. The temperatures considered are listed at the top of the table in three rows with 10 columns in each row, the first column labels the transition considered and the following nine columns list the temperatures. The effective collision strengths are subsequently listed for each transition and for each temperature. The index values for each level have been assigned in Table 1 to denote the particular transition.
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