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Mapping the intracluster medium temperature in the era of NIKA2 and MUSTANG-2

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arxiv 2111.01446 v1 pith:7OIHXQIR submitted 2021-11-02 astro-ph.CO

Mapping the intracluster medium temperature in the era of NIKA2 and MUSTANG-2

classification astro-ph.CO
keywords highmappingnika2temperatureaimsangulargalaxyintracluster
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present preliminary results from an on-going program that aims at mapping the intracluster medium (ICM) temperature of high redshift galaxy clusters from the MaDCoWS sample using a joint analysis of shallow X-ray data obtained by $Chandra$ and high angular resolution Sunyaev-Zel'dovich (SZ) observations realized with the NIKA2 and MUSTANG-2 cameras. We also present preliminary results from an on-going Open Time program within the NIKA2 collaboration that aims at mapping the ICM temperature of a galaxy cluster at $z=0.45$ from the resolved detection of the relativistic corrections to the SZ spectrum. These studies demonstrate how high angular resolution SZ observations will play a major role in the coming decade to push the investigation of ICM dynamics and non-gravitational processes to high redshift before the next generation X-ray observatories come into play.

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