Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...125..241l&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 125, no. 2, Sept. 1983, p. 241-245.
Astronomy and Astrophysics
Astrophysics
8
Atomic Energy Levels, Magnesium, Resonance Lines, Stellar Atmospheres, Stellar Models, Stellar Spectra, Atmospheric Models, Chromosphere, H Lines, K Lines, Line Spectra, Lyman Beta Radiation, Metal Ions, Solar Atmosphere, Solar Flares
Scientific paper
An evaluation of the solar and stellar atmospheric modeling consequences of the use of different Mg(+) ion atomic models in line profile computations has determined that the h and k line cores appear to be almost insensitive to the number of levels used in the profile computations. A careful treatment of the blended resonance doublet wings appears to be necessary, however, for atmospheric diagnostics using the subordinate 279.1 and 179.9 lines. The cores and near wings of h and k are strongly sensitive to the atmospheric model, from the higher part of the photosphere to the upper part of the chromospheric plateau.
Gouttebroze Pierre
Lemaire Philippe
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