Other
Scientific paper
Feb 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..417c&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 202, Feb. 1983, p. 417-425.
Other
16
Atomic Spectra, Line Spectra, Oscillator Strengths, Accuracy, Iron, Least Squares Method, Regression Analysis, Titanium, Yttrium, Zirconium
Scientific paper
It is shown that recent precision measurements can be used in obtaining useful oscillator strengths from the extensive system of intensities contained in Meggers et al. (1975). Case studies for Fe I, Ti I, Y II, and Zr II are made. Empirical formulas are developed from which the 'accepted' values of log(gf) may be predicted with typical uncertainties that are in general better than 50%. The maximum deviations are found to be less than a factor of 3. The atomic spectra are considered purely empirically and independently of one another; for example, no attempt is made to obtain an estimate of an arc temperature, which would be valid for all atomic species. The results for Fe I are seen as being in excellent agreement with the results of Blackwell et al. (1980, 1982).
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