The impact of wind scalings on stellar growth and the baryon cycle in cosmological simulations

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Date

2020

Journal Title

Journal ISSN

Volume Title

Publisher

Oxford University Press

Abstract

Many phenomenologically successful cosmological simulations employ kinetic winds to model galactic outflows. Yet systematic studies of how variations in kinetic wind scalings might alter observable galaxy properties are rare. Here we employ GADGET-3 simulations to study how the baryon cycle, stellar mass function, and other galaxy and CGM predictions vary as a function of the assumed outflow speed and the scaling of the mass-loading factor with velocity dispersion. We design our fiducial model to reproduce the measured wind properties at 25 per cent of the virial radius from the Feedback In Realistic Environments simulations.

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Keywords

Methods: numerical, Galaxies: evolution, Galaxies: general, Wind scalings, Baryon cycle

Citation

Dave´, R. et al. (2020). The impact of wind scalings on stellar growth and the baryon cycle in cosmological simulations. Monthly Notices of the Royal Astronomical Society,493(1), 1–28