Extreme Enrichment at Cosmic Dawn: Three FeII-Strong Quasars at z > 6 from the JWST Aether survey

arXiv:2609.19459 · astro-ph.GA · Submitted 2026-09-16 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-16

Updated: 2026-09-16

Comments: Accepted for publication in The Astrophysical Journal, 19 pages, 11 figures

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

Terminology

• AGN — 4× in this paper · explained in 1 episode
• Aperture — 4× in this paper · explained in 1 episode
• Calibration — 3× in this paper · explained in 7 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Velocity Dispersion — 3× in this paper · explained in 2 episodes
• Alignment — 2× in this paper · explained in 1 episode
• Bayesian Information Criterion — 2× in this paper
• Benchmark — 2× in this paper · explained in 2 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Free-Free Absorption — 2× in this paper
• James Webb Space Telescope — 2× in this paper
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Anti-correlation — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Dust Attenuation — 1× in this paper · explained in 2 episodes
• Elias — 1× in this paper · explained in 2 episodes
• Expanded Very Large Array — 1× in this paper
• Mikulski Archive for Space Telescopes — 1× in this paper
• Synchrotron Self Absorption — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• The role of major mergers in triggering super-Eddington accretion
• The LOFAR LBA Sky Survey II. First data release
• Quasars and the Intergalactic Medium at Cosmic Dawn
• A JWST/NIRSpec Integral Field Unit Survey of Luminous Quasars at z ~ 5-6 (Q-IFU): Rest-frame Optical Nuclear Properties and Extended Nebulae
• SHELLQs-JWST: Revealing the Spectra of Extended Emission in 12 z > 6 Quasar Host Galaxies using the JWST NIRSpec Fixed Slit
• Quasars and Galaxy Formation
• Episodic super-Eddington accretion as a clue to Overmassive Black Holes in the early Universe
• BEES: Quasar lifetime measurements from extended rest-optical emission line nebulae at $z\sim6$
• A Selection Aware View of Black Hole-Galaxy Coevolution at High Redshift

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