Inferring the Dark from the Observable: Estimating Halo Masses Using Galaxy Properties

arXiv:2608.19154 · astro-ph.GA, astro-ph.CO · Submitted 2026-08-19 · Read on arXiv

astro-ph.GA, astro-ph.CO

Submitted: 2026-08-19

Updated: 2026-08-30

Terminology

• Symbolic Regression — 10× in this paper · explained in 5 episodes
• Aperture — 8× in this paper · explained in 1 episode
• Weak Lensing — 3× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes
• Transferability — 1× in this paper · explained in 4 episodes

Sources

• The halo model for cosmology: a pedagogical review
• Interpretable Machine Learning for Science with PySR and SymbolicRegression.jl
• An accurate measure of the size of dark matter halos using the size of galaxies
• A Tutorial on Linear Least Square Estimation

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