Complex Lyman Alpha Profiles in Redshift 6.6 Ultraluminous Lyman Alpha Emitters

Antoinette Songaila, Esther M. Hu, Amy J. Barger +4

We report on a search for ultraluminous Lyman alpha emitting galaxies (LAEs) at z=6.6 using the NB921 filter on Hyper Suprime-Cam on the Subaru telescope. We searched a 30 degree s…