COSMOS2020: UV selected galaxies at $z\geq7.5$

Understand

This paper presents a new search for $z\geq7.5$ galaxies using the COSMOS2020 photometric catalogues.

• Finding galaxies at the reionization epoch through deep imaging surveys remains observationally challenging.
• The larger area covered by ground-based surveys like COSMOS enables the discovery of the brightest galaxies at these high redshifts.
• Covering $1.4$deg$^2$, our COSMOS catalogues were constructed from the latest UltraVISTA data release (DR4) combined with the final Spitzer/IRAC COSMOS images and the Hyper-Suprime-Cam Subaru Strategic Program DR2 release.