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SPT-GMOS: A Gemini/GMOS-South Spectroscopic Survey of Galaxy Clusters in the SPT-SZ Survey
M. B. Bayliss, J. Ruel, C. W. Stubbs +75
We present the results of SPT-GMOS, a spectroscopic survey with the Gemini Multi-Object Spectrograph (GMOS) on Gemini South. The targets of SPT-GMOS are galaxy clusters identified…
Merger Hydrodynamics of the Luminous Cluster RXJ1347.5-1145
C. D. Kreisch, M. E. Machacek, C. Jones +1
We present an analysis of the complex gas hydrodynamics in the X-ray luminous galaxy cluster RXJ1347.5-1145 caught in the act of merging with a subcluster to its southeast using a…
Arithmetic with X-ray images of galaxy clusters: effective equation of state for small-scale perturbations in the ICM
E. Churazov, P. Arevalo, W. Forman +4
We discuss a novel technique of manipulating X-ray images of galaxy clusters to reveal the nature of small-scale density/temperature perturbations in the intra cluster medium (ICM)…
Cosmological Constraints from Galaxy Clusters in the 2500 square-degree SPT-SZ Survey
T. de Haan, B. A. Benson, L. E. Bleem +74
(abridged) We present cosmological constraints obtained from galaxy clusters identified by their Sunyaev-Zel'dovich effect signature in the 2500 square degree South Pole Telescope…