Fig. 2
Observed (points) and synthetic (line) spectra of HD 123396 for a sample of the wavelength regions in the K band. The abundances derived for C, O, and F are labelled in the figure. The synthetic spectra stand for the best fit (solid line) and unsatisfactory ones (short and long dash lines) by varying the abundances of C by ± 0.10 dex, and O and F by ± 0.15 dex, respectively (refer to the text).
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