The circumgalactic medium from the camels simulations: Forecasting constraints on feedback processes from future Sunyaev–Zeldovich observations
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Date
2022
Journal Title
Journal ISSN
Volume Title
Publisher
IOP Publishing
Abstract
It is important to understand the cycle of baryons through the circumgalactic medium (CGM) in the context of
galaxy formation and evolution. In this study, we forecast constraints on the feedback processes heating the CGM
with current and future Sunyaev–Zeldovich (SZ) observations. To constrain these processes, we use a suite of
cosmological simulations, the Cosmology and Astrophysics with MachinE Learning Simulations (CAMELS).
CAMELS varies four different feedback parameters of two previously existing hydrodynamical simulations,
IllustrisTNG and SIMBA. We capture the dependences of SZ radial profiles on these feedback parameters with an
emulator, calculate their derivatives, and forecast future constraints on these feedback parameters from upcoming
experiments.
Description
Keywords
Circumgalactic medium, Astrophysics, Sunyaev-Zeldovich effect, Hydrodynamical simulations, Dark energy
Citation
Moser, E. et al. (2022). The circumgalactic medium from the camels simulations: Forecasting constraints on feedback processes from future Sunyaev–Zeldovich observations. Astrophysical Journal, 933(2), art. no. 133. https://doi.org/10.3847/1538-4357/ac70c6