Kavli Affiliate: Roberto Maiolino | First 5 Authors: Yoshinobu Fudamoto, Jakob M. Helton, Xiaojing Lin, Fengwu Sun, Peter Behroozi | Summary: We report the discovery of a galaxy proto-cluster candidate (dubbed MACS0416-OD-z8p5) at a spectroscopic redshift of $zsim8.47$, dating back to $sim550$Myr after the Big Bang. The observations are part of the JWST Cycle-3 treasury […]
Continue.. SAPPHIRES: A Galaxy Over-Density in the Heart of Cosmic Reionization at $z=8.47$