Extreme MgII Emission in Recently-Quenched Galaxies: A New Sample of Intermediate-Redshift Post-Starburst Quasars from the DESI Early Data Release

arXiv:2609.35343 · astro-ph.GA · Submitted 2026-09-28 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-28

Updated: 2026-09-28

Terminology

• AGN — 285× in this paper · explained in 1 episode
• AGN Feedback — 8× in this paper · explained in 1 episode
• Trace — 5× in this paper · explained in 2 episodes
• F1 Score — 4× in this paper · explained in 3 episodes
• National Science Foundation — 4× in this paper
• Dust Attenuation — 3× in this paper · explained in 2 episodes
• Galaxy Quenching — 3× in this paper · explained in 3 episodes
• Population Synthesis — 3× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 2× in this paper
• Metallicity — 2× in this paper · explained in 3 episodes
• Principal Component Analysis — 2× in this paper
• Principal Component Analysis (PCA) — 1× in this paper · explained in 4 episodes
• Selection Bias — 1× in this paper · explained in 4 episodes
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes

Sources

• Euclid Quick Data Release (Q1). Spectroscopic unveiling of highly ionised lines at z = 2.48-3.88
• Post-starburst Galaxies with Active Galactic Nucleus: Properties and Evolutionary Sequences
• Stellar Population Inference with Prospector
• SQuIGG E: Ubiquitous Cool Gas Outflows with Large Mass-Loading Factors in z about0.7 Post-starburst Galaxies
• Quasars and Galaxy Formation
• High-ionization coronal lines trace quasar-like activity in recently quenched galaxies at high redshift

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