Fig. 4
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Comparison of synthetic spectra (red lines) to the observed spectra (blue dots) for the HP 1 star 2M17310541–2958416. Each panel show the best-determined (gray shadow region) [Ti/Fe], [Mg/Fe], [Fe/H], [O/Fe], [Al/Fe], and [Si/Fe] abundance ratios listed in Table 3. An arbitrary normalized flux is plotted on the vertical axis, while the air wavelength (μm) is plotted on the horizontal axis.
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