Actualités 16/a2163

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A2163: Merger events in the hottest Abell galaxy cluster I. Dynamical analysis from optical data

Wed, 03 May 2023 05:36:00 GMT

We present a detailed optical analysis of the galaxy cluster A2163 based on new multicolor wide field imaging and medium-to-high resolution (R~2000) spectroscopy. While X-ray observations have ...


Temperature structure of four merging clusters obtained with chandra

Wed, 26 Apr 2023 18:40:00 GMT

We present preliminary Chandra results on z=0.2 clusters A665, A2163 and A2218, and a z=0.05 cluster A754. For A754, A665 and A2163, we have derived first high-resolution projected gas temperature ...