Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26as...55..143r&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 55, Jan. 1984, p. 143-161.
Astronomy and Astrophysics
Astrophysics
65
Abundance, Iron, Line Spectra, Oscillator Strengths, Solar Spectra, Spectral Line Width, Calibrating, Tables (Data), Thermodynamic Equilibrium
Scientific paper
The authors employ detailed modelling of solar Fe I and Fe II lines to calibrate the correction of equivalent widths for contamination by unresolved blends. They then determine the equivalent widths of 750 clean lines in the Jungfraujoch Atlas of the optical solar spectrum, and they compare these to the values given for the Utrecht Atlas by Moore et al. (1966). The authors also select clean Fe I lines, discuss their NLTE formation, construct a NLTE Fe I curve of growth, provide new oscillator strengths for weak Fe I lines, and revise the solar iron abundance to NFe/NH = (4.3±0.5)10-5. The authors use the results to appraise the basis and methods of classical stellar abundance determination.
Rutten Robert J.
van der Zalm B. J. E.
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