articleMonthly Notices of the Royal Astronomical SocietyAug 18, 2023HYBRID OA

The FLAMINGO project: cosmological hydrodynamical simulations for large-scale structure and galaxy cluster surveys

JSJoop SchayeRKRoi KugelMSMatthieu SchallerJHJohn HellyJBJoey Braspenning

Leiden University · Durham University · +4 more institutions

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Abstract

ABSTRACT We introduce the Virgo Consortium’s FLAMINGO suite of hydrodynamical simulations for cosmology and galaxy cluster physics. To ensure the simulations are sufficiently realistic for studies of large-scale structure, the subgrid prescriptions for stellar and AGN feedback are calibrated to the observed low-redshift galaxy stellar mass function and cluster gas fractions. The calibration is performed using machine learning, separately for each of FLAMINGO’s three resolutions. This approach enables specification of the model by the observables to which they are calibrated. The calibration accounts for a number of potential observational biases and for random errors in the observed stellar masses. The two…

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Topics & keywords

Topics
Keywords
  • Physics
  • Astrophysics
  • Galaxy
  • Cosmology
  • Galaxy cluster
  • Redshift
  • Cluster (spacecraft)
  • Calibration
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