Fig. 7
Ultraviolet fluxes obtained for Procyon (top), the Sun (middle), and Arcturus (bottom) calculated in LTE (black), NLTE-m (red), NLTE-s:Mg (pink), and NLTE-s:Ca (blue). For each star, the Eddington flux (upper panel) and the difference inpercent between the LTE and the NLTE fluxes (lower panel) are plotted. The units of the Eddington flux Hλ are erg cm−2s−1Å−1.
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