Search results for "Thermodynamical quantities"

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Universal thermodynamic properties of the intracluster medium over two decades in radius in the X-COP sample

2018

The hot plasma in galaxy clusters is expected to be heated to high temperatures through shocks and adiabatic compression. The thermodynamical properties of the gas encode information on the processes leading to the thermalization of the gas in the cluster's potential well as well as non-gravitational processes such as gas cooling, AGN feedback and kinetic energy. In this work we present the radial profiles of the thermodynamic properties of the intracluster medium (ICM) out to the virial radius for a sample of 12 galaxy clusters selected from the Planck all-sky survey. We determine the universal profiles of gas density, temperature, pressure, and entropy over more than two decades in radius…

Cosmology and Nongalactic Astrophysics (astro-ph.CO)galaxies: clusters: intracluster mediumDark matterPopulationFOS: Physical sciencesAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics01 natural sciencesdark matterVirial theoremsymbols.namesakeIntracluster medium0103 physical sciencesGravitational collapsePlanckAdiabatic processeducation010303 astronomy & astrophysicsAstrophysics::Galaxy AstrophysicsGalaxy clusterPhysicseducation.field_of_study[SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph]Settore FIS/05010308 nuclear & particles physicsThermodynamical quantitiesAstronomy and AstrophysicsX-rays: galaxies: clusters; dark matter; galaxies: clusters: intracluster medium; galaxies: clusters: general; Thermodynamical quantitiesgalaxies: clusters: general13. Climate actionSpace and Planetary ScienceX-rays: galaxies: clustersastro-ph.COsymbols[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]Astrophysics - Cosmology and Nongalactic AstrophysicsAstronomy & Astrophysics
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