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arxiv astro-ph/0611715 v1 pith:KXE3N24Z submitted 2006-11-22 astro-ph

A Heating Model for the Millennium Gas Run

classification astro-ph
keywords heatingmillenniumclustersgalaxypropertiesthermo-dynamicaladdedcomparison
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The comparison between observations of galaxy clusters thermo-dynamical properties and theoretical predictions suggests that non-gravitational heating needs to be added into the models. We implement an internally self-consistent heating scheme into GADGET-2 for the third (and fourth) run of the Millennium gas project (Pearce et al. in preparation), a set of four hydrodynamical cosmological simulations with N=2(5x10^8) particles and with the same volume (L=500 h-1 Mpc) and structures as the the N-body Millennium Simulation (Springel et al. 2005). Our aim is to reproduce the observed thermo-dynamical properties of galaxy clusters.

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