Halo assembly bias in the early Universe: a clustering probe of the origin of the Little Red Dots

arXiv:2603.15736 · astro-ph.CO, astro-ph.GA, astro-ph.HE · Submitted 2026-03-16 · Read on arXiv

astro-ph.CO, astro-ph.GA, astro-ph.HE

Submitted: 2026-03-16

Updated: 2026-09-20

Comments: 15 pages, 8 figures. Accepted by MNRAS

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

Terminology

• Clustering — 94× in this paper · explained in 2 episodes
• Little Red Dots — 23× in this paper · explained in 2 episodes
• Core — 17× in this paper · explained in 2 episodes
• AGN — 16× in this paper · explained in 1 episode
• Abundance — 13× in this paper · explained in 1 episode
• Trace — 8× in this paper · explained in 2 episodes
• Little Red Dots (LRDs) — 3× in this paper · explained in 3 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• AIDA-TNG — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Environmental Quenching — 1× in this paper · explained in 2 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes
• James Webb Space Telescope — 1× in this paper
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 7 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Ultra-diffuse galaxies (UDGs) — 1× in this paper · explained in 2 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• COSMOS-Web: The over-abundance and physical nature of "little red dots"--Implications for early galaxy and SMBH assembly
• The nature of low-luminosity AGNs discovered by JWST based on clustering analysis: progenitors of low-$z$ quasars?
• Connecting the Dots: UV-Bright Companions of Little Red Dots as Lyman-Werner Sources Enabling Direct Collapse Black Hole Formation
• The Host Galaxy (If Any) of the Little Red Dots
• The Physical Nature of the Off-centered Extended Emission Associated with the Little Red Dots
• Dark Bondi Accretion Aided by Baryons and the Origin of JWST Little Red Dots
• Primordial Rotating Disk Composed of $\geq$15 Dense Star-Forming Clumps at Cosmic Dawn
• A high black hole to host mass ratio in a lensed AGN in the early Universe
• An Investigation Into The Selection and Colors of Little Red Dots and Active Galactic Nuclei
• Little Red Dots as the Very First Activity of Black Hole Growth
• Spectral Uniformity of Little Red Dots: A Natural Outcome of Coevolving Seed Black Holes and Nascent Starbursts
• Little Red Dots and their Progenitors from Direct Collapse Black Holes
• An Enhanced Isothermal Jeans Approach to Constraining Dark Matter Self-Interactions from Galactic Kinematics
• Formation and Environmental Context of Giant Bulgeless Disk Galaxies in the Early Universe: Insights from Cosmological Simulations
• Formation of the Little Red Dots from the Core-collapse of Self-interacting Dark Matter Halos
• Black Hole Envelopes in Little Red Dots
• The Rise of Faint, Red AGN at $z>4$: A Sample of Little Red Dots in the JWST Extragalactic Legacy Fields
• A Census of Photometrically Selected Little Red Dots at 4 < z < 9 in JWST Blank Fields
• UNCOVER: Candidate Red Active Galactic Nuclei at 3<z<7 with JWST and ALMA
• The Discovery of Little Red Dots in the Local Universe: Signatures of Cool Gas Envelopes

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