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astro-ph.GA2026

The stellar-to-halo mass relation of central galaxies across three orders of halo mass

Victoria Toptun, Paola Popesso, Ilaria Marini +9

The stellar content of galaxies is tightly connected to the mass and growth of their host dark matter halos. Observational constraints on this relation remain limited, particularly…

astro-ph.GA2025

Trinity VII. Predictions for the Observable Correlation Functions of Accreting Black Holes

Oddisey Knox, Haowen Zhang, Peter Behroozi

The quasar correlation function assesses the occurrence of quasar pairs as a function of separation, which is strongly influenced by quasar host halo masses. The empirical Trinity…

astro-ph.GA2025

The SAGA Survey. V. Modeling Satellite Systems around Milky Way-mass Galaxies with Updated UniverseMachine

Yunchong Wang, Ethan O. Nadler, Yao-Yuan Mao +11

Environment plays a critical role in shaping the assembly of low-mass galaxies. Here, we use the UniverseMachine (UM) galaxy-halo connection framework and the Data Release 3 of the…

astro-ph.GA2025

ChemicalUniverseMachine I: Uncovering the Cosmic Evolution of Metals in the Galaxy-ISM-CGM Ecosystem

Moka Nishigaki, Peter Behroozi, Masami Ouchi +5

We present an empirical chemical evolution model that explains the distribution of metals in the interstellar medium (ISM) and the circumgalactic medium (CGM) of galaxies based on…

astro-ph.GA2024

Star-forming and Quiescent Central Galaxies Cluster Similarly: Implications for the Galaxy-Halo Connection

James Kakos, Aldo Rodriguez-Puebla, Joel R. Primack +4

We measure the clustering of low-redshift SDSS galaxies as a function of stellar mass () and specific star formation rate (sSFR) and compare the result…

astro-ph.GA2024

Measuring the conditional luminosity and stellar mass functions of galaxies by combining the DESI LS DR9, SV3 and Y1 data

Yirong Wang, Xiaohu Yang, Yizhou Gu +42

In this investigation, we leverage the combination of Dark Energy Spectroscopic Instrument Legacy imaging Surveys Data Release 9 (DESI LS DR9), Survey Validation 3 (SV3), and Year…