Search results for "galaxies: ISM"

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Is ram-pressure stripping an efficient mechanism to remove gas in galaxies?

2017

We study how the gas in a sample of galaxies (M* > 10e9 Msun) in clusters, obtained in a cosmological simulation, is affected by the interaction with the intra-cluster medium (ICM). The dynamical state of each elemental parcel of gas is studied using the total energy. At z ~ 2, the galaxies in the simulation are evenly distributed within clusters, moving later on towards more central locations. In this process, gas from the ICM is accreted and mixed with the gas in the galactic halo. Simultaneously, the interaction with the environment removes part of the gas. A characteristic stellar mass around M* ~ 10e10 Msun appears as a threshold marking two differentiated behaviours. Below this mas…

galaxies: clusters: intracluster mediumCosmology and Nongalactic Astrophysics (astro-ph.CO)FOS: Physical sciencesAstrophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsCooling flowGalaxy merger01 natural sciencesmethods: numericalGalaxy groups and clustersGalaxy group0103 physical sciencesgalaxies: interactionsDisc010303 astronomy & astrophysicsGalaxy clusterAstrophysics::Galaxy AstrophysicsPhysics010308 nuclear & particles physicsAstronomyAstronomy and AstrophysicsAstrophysics - Astrophysics of GalaxiesRam pressuregalaxies: haloesSpace and Planetary ScienceAstrophysics of Galaxies (astro-ph.GA)Elliptical galaxyAstrophysics::Earth and Planetary Astrophysicsgalaxies: evolutiongalaxies: ISMAstrophysics - Cosmology and Nongalactic Astrophysics
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