Simulation analysis of 415 clusters reveals two accretion regimes: warm filament gas enters slowly thermalizing at 2-4 R200 while tangential velocity gradients and hot gas ejection appear at 1-2 R200, with no strong filament accretion shocks.
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Cosmic gas accretion from filaments onto galaxy clusters using the IllustrisTNG simulation
Simulation analysis of 415 clusters reveals two accretion regimes: warm filament gas enters slowly thermalizing at 2-4 R200 while tangential velocity gradients and hot gas ejection appear at 1-2 R200, with no strong filament accretion shocks.