Fig. 8.
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Same as Fig. 6, but the metallicity for the reference datasets was calculated in the same way as for the MQN01 sample. For the CEERS sample (Green squares, Shapley et al. 2023a), the metallicities were calculated using N2, O3, and O3N2 with Bian et al. (2018) calibrations, while for the samples in Li et al. (2023, purple circles and squares) and Sanders et al. (2021, brown squares), the metallicities were calculated using O3 alone.
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