articleMonthly Notices of the Royal Astronomical SocietyFeb 24, 2026GOLD OA

The COLIBRE project: cosmological hydrodynamical simulations of galaxy formation and evolution

JSJoop SchayeECEvgenii ChaikinMSMatthieu SchallerSPSylvia PloeckingerFHFilip Huško

Leiden University · Instituto de Física Teórica · +13 more institutions

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Abstract

ABSTRACT We present the COLIBRE galaxy formation model and the COLIBRE suite of cosmological hydrodynamical simulations. COLIBRE includes new models for radiative cooling, dust grains, star formation, stellar mass loss, turbulent diffusion, pre-supernova stellar feedback, supernova feedback, supermassive black holes, and active galactic nucleus (AGN) feedback. The multiphase interstellar medium is explicitly modelled without a pressure floor. Hydrogen and helium are tracked in non-equilibrium, with their contributions to the free electron density included in metal-line cooling calculations. The chemical network is coupled to a dust model that tracks three grain species and two grain sizes. In addition to the…

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Topics & keywords

Topics
Keywords
  • Galaxy
  • Galaxy formation and evolution
  • Supermassive black hole
  • Black hole (networking)
  • Dark matter
  • Cold dark matter
  • Star formation
  • Interstellar medium
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