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6 papers

astro-ph.GA2026

Cosmological simulations of the high-redshift galaxy population adopting a variable stellar initial mass function

Anna Durrant, Robert A. Crain, Cedric G. Lacey +15

JWST surveys reveal a greater space density of high-redshift UV-bright galaxies than predicted by conventional galaxy formation models. We present results from a cMpc cosmo…

astro-ph.GA2026

The COLIBRE-SKIRT pipeline: Calibration-free dust radiative transfer postprocessing for cosmological simulations

Andrea Gebek, Maarten Baes, Nick Andreadis +16

The paper introduces the COLIBRE‑SKIRT pipeline, a calibration‑free method that uses the SKIRT radiative transfer code to generate multi‑wavelength mock observations from large‑vol…

astro-ph.GA2026

The galaxy ultraviolet luminosity function from to in the COLIBRE simulations

Shengdong Lu, Carlos S. Frenk, Cedric G. Lacey +17

JWST has enabled the detection of galaxies in the earliest stages of cosmic history. We compare the ultraviolet luminosity functions (UVLFs) at redshifts predicted by the…

astro-ph.GA2026

Galaxy luminosity functions from far-UV to submillimetre at in the COLIBRE simulations

Shengdong Lu, Carlos S. Frenk, Cedric G. Lacey +15

We present predictions from the recent COLIBRE cosmological hydrodynamical simulations of galaxy formation for the present-day galaxy luminosity functions (LFs) at wavelengths rang…

astro-ph.GA2026

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

Joop Schaye, Evgenii Chaikin, Matthieu Schaller +18

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…

astro-ph.GA2025

Cosmic Threads: Interlinking the Stellar Initial Mass Function from Star-Birth to Galaxies

Tereza Jerabkova, Donatella Romano, Pavel Kroupa +19

The stellar initial mass function (sIMF) describes the distribution of stellar masses formed in a single star formation event in a molecular cloud clump. It is fundamental to astro…