The Mass Dependence of the Fundamental Metallicity Relation in Observations and Simulations

arXiv:2608.24826 · astro-ph.GA · Submitted 2026-08-25 · Read on arXiv

astro-ph.GA

Submitted: 2026-08-25

Updated: 2026-08-25

Terminology

• Metallicity — 89× in this paper · explained in 3 episodes
• AGN — 30× in this paper · explained in 1 episode
• Anti-correlation — 11× in this paper · explained in 3 episodes
• Stellar Feedback — 11× in this paper · explained in 2 episodes
• AGN Feedback — 10× in this paper · explained in 1 episode
• Calibration — 6× in this paper · explained in 7 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Discovery Early Career Researcher Award — 1× in this paper
• Sloan Digital Sky Survey — 1× in this paper
• Star Formation Rate (SFR) — 1× in this paper · explained in 5 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• Stellar masses, star formation rates, metallicities and AGN properties for 200,000 galaxies in the SDSS Data Release Two (DR2)
• Metallicity Gradients in Modern Cosmological Simulations I: Tension Between Smooth Stellar Feedback Models and Observations
• Metallicity Gradients in Modern Cosmological Simulations II: The Role of Bursty Versus Smooth Feedback at High-Redshift
• A New Public Release of the GIZMO Code
• The AURORA Survey: The Mass -- Metallicity and Fundamental Metallicity Relations at $z \sim 2.3$ Based Purely on Direct $T_e$ Metallicities
• Galactic chemical enrichment with new metallicity dependent yields

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