MEOW: The increase in the obscured AGN fraction in mid-infrared from 0 < z < 6 with JWST MIRI

arXiv:2603.22393 · astro-ph.GA · Submitted 2026-03-23 · Read on arXiv

astro-ph.GA

Submitted: 2026-03-23

Updated: 2026-09-04

Comments: 19 pages (main text), 9 figures (+ 2 in the appendix), 3 tables (1 in the appendix). Published in ApJ

Journal ref: 2026 ApJ 1008 197

DOI: 10.3847/1538-4357/ae91e6

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

Terminology

• AGN — 179× in this paper · explained in 1 episode
• Abundance — 8× in this paper · explained in 1 episode
• Aperture — 5× in this paper · explained in 1 episode
• James Webb Space Telescope — 5× in this paper
• Metallicity — 5× in this paper · explained in 3 episodes
• Calibration — 4× in this paper · explained in 7 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Active Galactic Nuclei (AGN) — 2× in this paper · explained in 1 episode
• Aperture Correction — 2× in this paper · explained in 1 episode
• Clustering — 2× in this paper · explained in 2 episodes
• Dust Attenuation — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Elias — 1× in this paper · explained in 2 episodes
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• MIRI Early Obscured AGN Wide Survey — 1× in this paper
• Markov Chain Monte Carlo — 1× in this paper

Sources

• Measurements of the z=4-10 X-ray Luminosity Function: the high space density of moderate-luminosity, obscured AGN
• Clustering of z~6.6 Quasars and [O III] Emitters Constrains Host Halo Masses and Duty Cycles in 25 ASPIRE Fields
• Identifying Compton-thick active galactic nuclei in the COSMOS. II. Searching among mid-infrared selected AGNs
• AGNBoost: A Machine Learning Approach to AGN Identification with JWST/NIRCam+MIRI Colors and Photometry
• The Large-scale Environments of Low-luminosity AGNs at $3.9 < z < 6$ and Implications for Their Host Dark Matter Halos from a Complete NIRCam Grism Redshift Survey
• Radio selection of heavily obscured AGN in the J1030 field: unraveling a missing Compton-thick population
• Discovery of an X-ray Luminous Radio-Loud Quasar at $z=3.4$: A Possible Transitional Super-Eddington Phase
• The Little Red Dots Are Direct Collapse Black Holes
• A first look at quasar-galaxy clustering at $z\simeq7.3$
• BEES: Quasar lifetime measurements from extended rest-optical emission line nebulae at $z\sim6$

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