Author

Mohammadreza Ayromlou

2 papers indexed here

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Preprint Sep 2026

Galaxies in the first two billion years: Earlier formation and quenching with surface-density modulated star formation and feedback

JWST has revealed massive, UV-bright, compact, and in some cases quenched galaxies in the first two billion years of cosmic history, challenging current galaxy formation models. We develop an extended L-Galaxies semi-analytic model, run on the MillenniumTNG dark-matter-only simulation, and follow galaxy evolution over...

Akash Vani, Mohammadreza Ayromlou, G. Kauffmann et al. · 0 citations

Review Sep 2026

The Deep Learning Halo Definer: A Multimodal Framework for Halo Mass and Gas Fraction Inference on Galaxy Groups and Clusters

Accurately inferring dark matter halo properties like the total halo mass (M_{halo}) and gas fractions (f_{gas}) remains particularly challenging at group scales, where low member counts, shallow potential wells, and AGN feedback-driven baryon expulsion introduce significant observational scatter. As large-scale survey...

Caleb Ogle, Kalvyn N. Poncelet Adams, B. Oppenheimer et al. · 0 citations