Tracing the non-thermal pressure and hydrostatic bias in galaxy clusters
Journal
Date Issued
2022
Author(s)
Abstract
We present a modelization of the non-thermal pressure, $P_{NT}$, and we apply
it to the X-ray (and Sunayev-Zel'dovich) derived radial profiles of the X-COP
galaxy clusters. We relate the amount of non-thermal pressure support to the
hydrostatic bias, $b$, and speculate on how we can interpret this $P_{NT}$ in
terms of the expected levels of turbulent velocity and magnetic fields. Current
upper limits on the turbulent velocity in the intracluster plasma are used to
build a distribution $\mathcal{N}(
Volume
657
Start page
L1
Issn Identifier
0004-6361
Rights
open.access
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