Fig. 4.

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Distribution of Lyα EW and its velocity offset from the systemic redshift for JADES-GS-z7-LA (star), compared with GN-z11 (Bunker et al. 2023b) (diamond), z > 7 LAEs identified from CEERS by Tang et al. (2023) (circles) and other known z > 7 LAEs from the Endsley et al. (2022) compilation (squares), which include sources from the ALMA REBELS survey amongst others such as B14-65666 at z = 7.15 (Furusawa et al. 2016; Hashimoto et al. 2019), EGS-zs8-1 at z = 7.72 (Oesch et al. 2015; Stark et al. 2017), COS-zs7-1 at z = 7.15 (Pentericci et al. 2016; Laporte et al. 2017; Stark et al. 2017) and BDF-3299 at z = 7.11 (Vanzella et al. 2011; Maiolino et al. 2015; Carniani et al. 2017). We also include the z = 7.68 galaxy Y002 (Valentino et al. 2022). JADES-GS-z7-LA lines up well with the previously observed strong anti-correlation between the strength of the Lyα emission line and its velocity offset compared to systemic redshift (e.g., Tang et al. 2023), and its faint UV magnitude and high Lyα EW compared to other z > 7 LAEs stand out.
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