Physics
Scientific paper
Jun 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994kfnt...10...33g&link_type=abstract
Kinematika Fiz. Nebesn. Tel, Tom 10, No. 3, p. 33 - 53
Physics
1
Solar Photosphere: Models, Solar Photosphere: Element Abundances, Solar Photosphere: Iron Lines
Scientific paper
The LTE determination of iron abundance using 42 Fe I and 32 Fe II lines was carried out for two sequences of three-dimensional models: a cool one with the "gray" atmosphere and a hot one with the "non-gray" atmosphere. The results indicate that abundance of chemical elements may be estimated from line asymmetry and absolute wavelength shifts. However, specific structure of 3D-models leads to abundance differences between 3D-models and 1D-hydrostatic ones. The assumptions and limitations of 3D-models application for spectral analysis problems are discussed.
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