Electron Densities of Typical Low-Mass Galaxies at z 2-7 from Stacked JWST/NIRSpec Spectra

arXiv:2606.31549 · astro-ph.GA · Submitted 2026-06-30 · Read on arXiv

Shihong Liu, Yu Rong

astro-ph.GA

Submitted: 2026-06-30

Comments: Accepted for publication in MNRAS

Project page: https://dawn-cph.github.io/dja/https://zenodo.org/records/8319596

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

Terminology

• Calibration — 3× in this paper · explained in 7 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• alpha — 2× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode

Sources

• Stellar Surface Density Modulates MgII Cool-gas Outflow Absorption in DESI Star-forming Galaxies
• A DESI Calibration of the [O II]--[S II] Electron-density Offset in Integrated Star-forming Galaxies

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