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Fig. 7.

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Comparison between the EW of Hα and [OIII]+Hβ. Lyα-detected galaxies are shown as stars and the photometrically selected sample with no Lyα-detected as circles. In the top panel we show the distribution of [OIII]+Hβ EW for both of our samples. We find a very strong correlation between Hα EW and the [OIII]+Hβ EW, though with large scatter. The dashed lines are the correlation trends found for this work (red) and Tang et al. (2019, green). The Hα EW/[OIII]+Hβ EW is higher than the z ∼ 2 sample from Tang et al. (2019), which was selected to have a strong [OIII] EW, implying that we might be observing lower-metallicity galaxies.

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