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Fig. 2.

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Distribution of (1 − fesc)ξion. The purple histogram includes galaxies with Lyα emission detection and the gray, galaxies without. Overall, Lyα-emitting galaxies show stronger ionizing photon production than galaxies with no Lyα emission, with median values 25.39 ± 0.64 and 25.31 ± 0.43, respectively. We show the median relation from the literature at z ∼ 2 − 5 as a dashed black line (e.g., Shivaei et al. 2018; Bouwens et al. 2016; Lam et al. 2019).

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