Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003coska..33..209s&link_type=abstract
Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 33, no. 3, p. 209-223.
Astronomy and Astrophysics
Astronomy
Sun, Corona, Emission Lines, Iron Abundance
Scientific paper
The aim of this paper is to show how much coronal inhomogeneity could influence emission line intensities and iron abundance determination using these intensities. Although the latest methods can consider temperature changes along the line of sight, presence of areas with very different electron densities cannot be taken into account. We argue that in case the line of sight goes through some coronal inhomogeneity, iron abundance determination from emission lines intensity using the present methods could differ up to 2 orders of magnitude from the actual value. A new method is suggested in this paper which should solve not only the problem of the iron abundance determination in the solar corona but it could help in electron density and temperature determination in coronal inhomogeneity as well.
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