We present the follow-up of two galaxy clusters from the Bright and Southern SHARC surveys observed with the Xmm–newton satellite .
We studied the galaxy cluster RX J1120.1+4318 which seems to be a relaxed cluster at high redshift according to its surface brightness profile and to its temperature profile which is flat up to 950 kpc .
Its mean temperature is measured at 5.3 keV .
The other galaxy cluster RX J0256.5+0006 shows two components .
We discuss possible scenario .