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We present results from a deep Chandra observation towards the MS1137.5+6625 cluster of galaxies. MS1137.5+6625 is a distant (z=0.783), massive cluster of galaxies, which appears relaxed and regular in the X-ray image. With less than a handful of similarly massive clusters currently known at such high redshifts, and this observation provides much needed information on the dynamical state of these rare systems. We discuss the density and temperature structure of the cluster, and compare the X-ray image with a deep optical image and with interferometric Sunyaev-Zel'dovich effect data. |
