Michaela Hirschmann
3 papers · Latest:
Galaxies & Cosmology
ArkenstoneBH. A model for high-specific energy black hole feedback in cosmological simulations
ArkenstoneBH extends a subgrid framework to model high-specific energy black hole feedback, improving cosmological simulations of galaxy evolution.
2605.03154
Galaxies & CosmologyDeepDive: Simultaneous Formation of Massive Quiescent Galaxies in High-Redshift Galaxy Proto-clusters
JWST confirms massive quiescent galaxy overdensities in the early universe, suggesting simultaneous quenching driven by large-scale structure and AGN feedback.
2604.21007
Galaxies & CosmologyPrevailing thermally-pulsing-asymptotic-giant branch stars in the near-infrared rest-frame spectra of distant quiescent galaxies: towards robust galaxy ages and masses
JWST observations confirm the prevalence of TP-AGB stars in distant quiescent galaxies, improving stellar population models and age/mass estimates.
2604.19942
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