Fig. 4

The best fits to the observed Arcturus spectrum features found from the minima of Eq. (3) for Mn i lines at 12 899 Å, 12 975 Å, 13 281 Å (left column) and 13 293 Å, 13 318 Å, 13 415 Å (right column). The green line shows the section of the observed profile used to determine manganese abundance. The wavelength scale is taken from the observed spectrum of Arcturus.
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