Caption: 500ks Athena/WFI image of the Chandra Deep Field South point source population enhanced by a set of simulated clusters of galaxies. End-to-End simulation generated with SIXTE. Athena optics assumption: 15 rows, 6 sectors, 678 mirror modules, 2.3 mm rib pitch, and Ir+B4C coating.

Creation date: June 2019.

Credits: A.Rau/WFI Team.