High-spatial-resolution solar observations of spectral lines used for abundance analysis

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Line: Formation, Sun: Granulation, Sun: Photosphere, Abundance Analysis

Scientific paper

Solar observations of spectral lines that are of importance for abundance analysis have been obtained with high spatial resolution in order to study the effect of granulation on these lines. Data are presented in several plots and tables demonstrating both the detailed behaviour of the lines over the granulation pattern and the statistical properties of the variation of the different line properties. The variation of line equivalent width with continuum intensity is generally linear and looks similar for different kinds of lines. Thus no effects have been found that could signal significant problems for abundance analysis using homogeneous model atmospheres.

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