Is the problem of solar iron abundance solved?

Details Is the problem of solar iron abundance solved? Is the problem of solar iron abundance solved?

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adspr..15...69k&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 15, no. 7, p. (7)69-(7)72

Computer Science

Abundance, Data Reduction, Error Analysis, Iron, Line Spectra, Photosphere, Damping, Oscillator Strengths, Root-Mean-Square Errors, Stellar Models

Scientific paper

We revise the solar photospheric abundance of iron from Fe I lines based on two scales of oscillator strengths gf (Oxford and Kiel). In order to answer the question of Holweger et al. why the gf of both scales agree but abundances deviate, we analyze different sources of errors in the solar iron abundance determinations. The most important reason for the abundance discrepancy is connected with the damping enchancement factor, E. However, the results obtained do not allow us to infer a final value of the solar iron abundance. The 'high' abundance derived from the Oxford scale of gf seems to be more preferable in view of a smaller root mean square error epsilon in the iron abundance determination and a more pronounced minimum of the function epsilon (E) in comparison with the 'low' abundance case.

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