Growing a `Cosmic Beast': Observations and Simulations of MACS J0717.5+3745

M. Jauzac, D. Eckert, M. Schaller +18

We present a gravitational lensing and X-ray analysis of a massive galaxy cluster and its surroundings. The core of MACS\,J0717.5+3745 ($M(R<1\mathrm{Mpc})\sim$\,$2$$\times$$10^{15}…