Metal Mayhem at z 7-10: Diversity and Evolution of Gas-Phase Metallicity Gradients

arXiv:2604.07076 · astro-ph.GA · Submitted 2026-04-08 · Read on arXiv

astro-ph.GA

Submitted: 2026-04-08

Updated: 2026-09-15

Comments: 16 pages, 7 figures, 2 tables. Accepted in MNRAS

DOI: 10.1093/mnras/stag1206

Project page: https://dawn-cph.github.io/dja

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

Terminology

• Metallicity — 188× in this paper · explained in 3 episodes
• AGN — 29× in this paper · explained in 1 episode
• Fundamental Metallicity Relation — 10× in this paper
• Aperture — 9× in this paper · explained in 1 episode
• Calibration — 8× in this paper · explained in 7 episodes
• Core — 6× in this paper · explained in 2 episodes
• Star Formation Main Sequence — 5× in this paper
• AGN Feedback — 4× in this paper · explained in 1 episode
• Dust Attenuation — 4× in this paper · explained in 2 episodes
• Abundance — 3× in this paper · explained in 1 episode
• Anti-correlation — 3× in this paper · explained in 3 episodes
• Aperture Photometry — 3× in this paper · explained in 1 episode
• Stellar Feedback — 3× in this paper · explained in 2 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Center for Doctoral Training — 2× in this paper
• Dawn JWST Archive — 2× in this paper
• European Research Council — 2× in this paper
• APEX — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes
• Flexible Stellar Population Synthesis — 1× in this paper
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• Mikulski Archive for Space Telescopes — 1× in this paper
• NIRSpec Integral Field Unit — 1× in this paper
• Population Synthesis — 1× in this paper · explained in 2 episodes
• UK Science and Technology Facilities Council — 1× in this paper
• alpha — 1× in this paper · explained in 1 episode

Sources

• GLIMPSE-DDT spectroscopic properties of faint-end galaxies at $z\sim6$: Towards first metal enrichment, dust production, and ionizing photon production
• The MUSE second-generation VLT instrument
• JADES Data Release 4 Paper I: Sample Selection, Observing Strategy and Redshifts of the complete spectroscopic sample
• SINFONI - Integral Field Spectroscopy at 50 milli-arcsecond resolution with the ESO VLT
• The ALPINE-CRISTAL-JWST Survey: The Fast Metal Enrichment of Massive Galaxies at z~5
• The 2013 Release of Cloudy
• The 2017 Release of Cloudy
• The ALPINE-CRISTAL-JWST Survey: NIRSpec IFU Data Processing and Spatially-resolved Views of Chemical Enrichment in Normal Galaxies at z=4-6
• Metallicity Gradients in Modern Cosmological Simulations II: The Role of Bursty Versus Smooth Feedback at High-Redshift
• SAPPHIRES: Extremely Metal-Poor Galaxy Candidates with $12+{\rm log(O/H)}<7.0$ at $z\sim5-7$ from Deep JWST/NIRCam Grism Observations
• A Uniform Analysis of Gas-phase Metallicity Evolution with 1-3 Gyr Time Sampling over the Past 12 Billion Years
• GA-NIFS: interstellar medium properties and tidal interactions in the evolved massive merging system B14-65666 at z=7.152
• The AGORA High-resolution Galaxy Simulations Comparison Project. X: Formation and Evolution of Galaxies at the High-redshift Frontier
• Ultraviolet Compactness of High-Redshift Galaxies as a Tracer of Early-Stage Gas Infall, Bursty Star Formation, and Offset from the Fundamental Metallicity Relation
• An Investigation into the Low-Mass Fundamental Metallicity Relation in the Local and High-z Universe
• The ALPINE-CRISTAL-JWST Survey: Gas-phase abundance gradients of main sequence star-forming galaxies and their kinematics at $4 < z < 6$
• A black hole in a near-pristine galaxy 700 million years after the Big Bang
• GA-NIFS: Dissecting the multiple sub-structures and probing their complex interactions in the \Lyalpha emitter galaxy CR7 at z = 6.6 with JWST/NIRSpec
• Pristine Massive Star Formation Caught at the Break of Cosmic Dawn
• All the Little Things in Abell 2744: $>$1000 Gravitationally Lensed Dwarf Galaxies at $z=0-9$ from JWST NIRCam Grism Spectroscopy

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