Measurement of the oscillator strengths of very weak 1 eV Fe I lines

Details Measurement of the oscillator strengths of very weak 1 eV Fe I lines Measurement of the oscillator strengths of very weak 1 eV Fe I lines

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.220..549b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 220, May 15, 1986, p. 549-553.

Astronomy and Astrophysics

Astronomy

71

Cool Stars, Iron, Oscillator Strengths, Stellar Spectra, Accuracy, Line Spectra, Solar Spectra

Scientific paper

Relative oscillator strengths are measured for nine very weak 1-eV Fe I lines, using the Oxford spectroscopic furnace. These oscillator strengths are placed on an absolute scale using previous Oxford measurements of stronger 1-eV Fe I lines. The lines are important for the interpretation of cool star spectra because they are the weakest Fe I lines in such spectra whose oscillator strengths are known with good accuracy. Their accuracy is assessed through an interpretation of the corresponding lines in the center of disk solar spectrum. It is suggested that the accuracy is 0.015 dex (3.5 percent).

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