Semiresolved Stellar Populations as Distance Indicators

arXiv:2609.01400 · astro-ph.GA · Submitted 2026-09-01 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-01

Updated: 2026-09-01

Comments: 5 pages, 4 figures. Accepted for publication in ApJL

DOI: 10.3847/2041-8213/ae8d10

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Metallicity — 17× in this paper · explained in 3 episodes
• Calibration — 3× in this paper · explained in 7 episodes
• Velocity Dispersion — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes
• Simulation-Based Inference (SBI) — 1× in this paper · explained in 3 episodes
• Simulation-based Inference — 1× in this paper · explained in 2 episodes

Sources

• Stellar Populations in Star Clusters: The Role Played by Stochastic Effects
• Simulation-based inference of galaxy properties from JWST pixels
• Clues to inside-out quenching in quiescent galaxies at $1.2\lesssim z\lesssim2.2$: Age, Fe-, and Mg-abundance gradients from JWST-SUSPENSE
• FASTAR -- I. Continuous and differentiable evolutionary stellar population models
• FASTAR -- II. Semi-resolved evolutionary stellar population models

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