Double-Peaked Ly alpha Emission during Reionization Requires Nearby Voids and a Favorable Local Ionizing Background

arXiv:2604.26331 · astro-ph.CO, astro-ph.GA · Submitted 2026-04-29 · Read on arXiv

astro-ph.CO, astro-ph.GA

Submitted: 2026-04-29

Updated: 2026-08-02

Comments: 18 pages, 9 figures, accepted for publication in MNRAS

Journal ref: Mon Not R Astron Soc (2026)

DOI: 10.1093/mnras/stag1454

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

Terminology

• AGN — 19× in this paper · explained in 1 episode
• alpha — 4× in this paper · explained in 1 episode
• Trace — 2× in this paper · explained in 2 episodes
• Absorption Cross Section — 1× in this paper · explained in 1 episode
• Abundance — 1× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Core — 1× in this paper · explained in 2 episodes
• Dust Attenuation — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes

Sources

• The Prime Focus Spectrograph Galaxy Evolution Survey
• Life After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies
• New $z > 7$ Lyman-alpha Emitters in EGS: Evidence of an Extended Ionized Structure at $z \sim 7.7$

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