Fe II oscillator strengths

Details Fe II oscillator strengths Fe II oscillator strengths

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26as...67..225k&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 67, no. 2, Jan. 1987, p. 225-235. DFG-supported research.

Astronomy and Astrophysics

Astrophysics

58

Astrophysics, Iron, Line Spectra, Oscillator Strengths, Hollow Cathodes, Solar Spectra, Stellar Spectra

Scientific paper

Oscillator strengths of 124 Fe II lines in the wavelength range 220-540 nm were obtained from wall-stabilized arc and hollow-cathode measurements. By a combination of hook and emission measurements it was possible to determine a large set of relative oscillator strengths of Fe II lines without any assumptions concerning the plasma state of the light sources used. The relative f-values have been converted to an absolute scale by means of published lifetime data. By forming so-called closed-loops an optimized set of lifetime data could be established, leading to an uncertainty for the f-values within 10-25 percent. Comparisons with computational and experimental data from other authors are made.

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