Observing the build-up of the colour-magnitude relation at redshift ~0.8

G. De Lucia, B. M. Poggianti, A. Aragon-Salamanca +11

We analyse the rest-frame (U-V) colour-magnitude relation for 2 clusters at redshift 0.7 and 0.8, drawn from the ESO Distant Cluster Survey. By comparing with the population of red…