Fig. 5.
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Distribution of Δ(O/H) based on the Scal metallicities for the full H II region sample (filled blue). This is compared with the offsets measured from the strong-line Scal prescription for Te[N II] outliers to low (blue lines) and high (red lines) metallicities. The full H II region sample distribution has been normalized, while the outlier distribution reflects direct counts.
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