Massive Galaxy Halos Contain Less Inner Dark Matter Than Predicted

arXiv:2609.19132 · astro-ph.GA · Submitted 2026-09-16 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-16

Updated: 2026-09-16

Comments: 25 pages, 3+3 figures, submitted

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

Terminology

Core — 6× in this paper · explained in 2 episodes
AGN — 4× in this paper · explained in 1 episode
Aperture — 3× in this paper · explained in 1 episode
Weak Lensing — 3× in this paper · explained in 2 episodes
Abundance — 2× in this paper · explained in 1 episode
Anisotropy — 2× in this paper · explained in 3 episodes
Clustering — 2× in this paper · explained in 2 episodes
Robustness — 2× in this paper · explained in 5 episodes
AGN Feedback — 1× in this paper · explained in 1 episode
Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
Alignment — 1× in this paper · explained in 1 episode
Calibration — 1× in this paper · explained in 7 episodes
Consistency — 1× in this paper · explained in 3 episodes
Degeneracy — 1× in this paper · explained in 3 episodes
Galaxy Quenching — 1× in this paper · explained in 3 episodes
Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
Jeans Anisotropic Modelling — 1× in this paper
Metallicity — 1× in this paper · explained in 3 episodes
National Science Foundation of China — 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

Cosmological back-reaction of baryons on dark matter in the CAMELS simulations

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