Fig. 5
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Normalised histogram of the S/N on a log scale of the candidate stars, shown in grey, and of the subset of candidates with values from the literature sources in Sect. 3, including the additional sources in section 3.6, split into photometric and spectroscopic metallicities. The overall S/N distribution of APOGEE is shown as a red outline, with the right side y-axis tracking their numbers.
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