Fig. 6
Top panel: best-fit trends of Oxygen abundances from the [O I] line (blue) and from the OH lines (red) with gravity. The black dot marks the intersection of the two curves, and its x-coordinate provides the best-fit log (g) = 1.67 ± 0.06. Bottom panel: best-fit trends of Iron abundances from Fe II (shaded) and Fe I lines (red) with gravity. The black dot marks the intersection of the two curves, and its x-coordinate provides the best-fit log (g) = 1.68 ± 0.10.
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