A long time ago in an LAE far, far away: a signpost of early reionization or a nascent AGN at $z=13$?

Joshua Cohon, Christopher Cain, Rogier Windhorst +3

The JADES survey recently reported the discovery of JADES-GS-z13-1-LA at $z=13$, the highest redshift Ly$\alpha$ emitter (LAE) ever observed. This observation suggests that either the…