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The effect of metal enrichment and galactic winds on galaxy formation in cosmological zoom simulations
Michaela Hirschmann, Thorsten Naab, Romeel Dave +9
We investigate the differential effects of metal cooling and galactic stellar winds on the cosmological formation of individual galaxies with three sets of cosmological, hydrodynam…
The Contribution of Halos with Different Mass Ratios to the Overall Growth of Cluster-Sized Halos
Doron Lemze, Marc Postman, Shy Genel +39
We provide a new observational test for a key prediction of the ΛCDM cosmological model: the contributions of mergers with different halo-to-main-cluster mass ratios to cluster-siz…
Nebular Excitation in z~2 Star-forming Galaxies from the SINS and LUCI Surveys: The Influence of Shocks and AGN
S. F. Newman, P. Buschkamp, R. Genzel +24
Based on high-resolution, spatially resolved data of 10 z~2 star-forming galaxies from the SINS/zC-SINF survey and LUCI data for 12 additional galaxies, we probe the excitation pro…
A physical model for cosmological simulations of galaxy formation: multi-epoch validation
Paul Torrey, Mark Vogelsberger, Shy Genel +3
We present a multi-epoch analysis of the galaxy populations formed within the cosmological hydrodynamical simulations presented in Vogelsberger et al. (2013). These simulations exp…
A model for cosmological simulations of galaxy formation physics
Mark Vogelsberger, Shy Genel, Debora Sijacki +3
We present a new comprehensive model of the physics of galaxy formation designed for large-scale hydrodynamical simulations of structure formation using the moving mesh code AREPO.…
Following the flow: tracer particles in astrophysical fluid simulations
Shy Genel, Mark Vogelsberger, Dylan Nelson +3
We present two numerical schemes for passive tracer particles in the hydrodynamical moving-mesh code AREPO, and compare their performance for various problems, from simple setups t…