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Some Surprising Results from the Simba Simulations

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Cosmological simulations of galaxy formation have matured rapidly in the last few years, with recent models combining structure formation, hydrodynamics, stellar and black hole growth, and associated feedback processes to accurately reproduce the demographics of the galaxy population. The input physics required to do so can have consequences that run counter to conventional notions of how galaxies form and evolve. In this talk I present our recent Simba simulations, a state-of-the-art suite that uses novel approaches for modelling black hole growth, AGN feedback, and dust to yield a galaxy population that uniquely reproduces key observations. I will then discuss some unexpected outcomes from Simba that offer surprising takes on how galaxies grow and interact with their cosmic ecosystem.

This talk is part of the Galaxies Discussion Group series.

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