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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ComPACT is a new SZ-selected galaxy cluster catalogue from CNN analysis of ACT+Planck data with 2,962 candidates, ~60% confirmation, 116 new redshifts, 158 new masses, and five new massive clusters at z>0.7 that increase the known high-mass high-z population by ~10%.
citing papers explorer
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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.
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ComPACT: Mass-Redshift Properties of the galaxy cluster catalogue
ComPACT is a new SZ-selected galaxy cluster catalogue from CNN analysis of ACT+Planck data with 2,962 candidates, ~60% confirmation, 116 new redshifts, 158 new masses, and five new massive clusters at z>0.7 that increase the known high-mass high-z population by ~10%.