The gradual decline of Ly alpha visibility in the CANDELS fields: evidence for the combined effects of galaxy evolution and reionization

arXiv:2609.00199 · astro-ph.GA · Submitted 2026-08-31 · Read on arXiv

astro-ph.GA

Submitted: 2026-08-31

Updated: 2026-08-31

Comments: 18 pages, 8 figures, 2 tables. Submitted to the A&A journal. Comments are welcome

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

Terminology

• AGN — 11× in this paper · explained in 1 episode
• Metallicity — 9× in this paper · explained in 3 episodes
• Calibration — 8× in this paper · explained in 7 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Dawn JWST Archive — 2× in this paper
• Dust Attenuation — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• During the Epoch of Reionization — 1× in this paper
• Little Red Dots — 1× in this paper · explained in 2 episodes
• Little Red Dots (LRDs) — 1× in this paper · explained in 3 episodes
• Observational Selection Effects — 1× in this paper · explained in 2 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes
• Star Formation Rate (SFR) — 1× in this paper · explained in 5 episodes
• Trace — 1× in this paper · explained in 2 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• JADES NIRSpec Initial Data Release for the Hubble Ultra Deep Field: Redshifts and Line Fluxes of Distant Galaxies from the Deepest JWST Cycle 1 NIRSpec Multi-Object Spectroscopy
• JADES Data Release 4 Paper I: Sample Selection, Observing Strategy and Redshifts of the complete spectroscopic sample
• Saas-Fee Lecture Notes: Physics of Lyman Alpha Radiative Transfer
• Overview of the JWST Advanced Deep Extragalactic Survey (JADES)
• Galaxies and Black Holes in the First Billion Years
• No Blue without Red: Evolutionary Properties of Super-Early Galaxies
• Characterizing Lyman alpha emission from high-redshift galaxies
• Little Red and Blue Dots: AGN-excited narrow lines, Lyman- alpha emission, and resemblance to standard quasars
• New $z > 7$ Lyman-alpha Emitters in EGS: Evidence of an Extended Ionized Structure at $z \sim 7.7$
• A New Constraint on the Optical Depth from the Reionization History Independent of CMB Large-Scale E-Mode Polarization
• The new era of Lyman alpha emitters (LAEs): Typical star formation histories of LAEs in the ILLUSTRIS simulation
• Negative cosmological constant in the dark energy sector: tests from JWST photometric and spectroscopic observations of high-redshift galaxies
• Life After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies
• ODIN: Spectroscopic Validation of Ly$\alpha$-Emitting Galaxy Samples with DESI
• Lyman-alpha emission at the end of reionization: line strengths and profiles from MMT and JWST observations at z~5-6
• EGS-z11-R0: a red, dust-rich galaxy at Cosmic Dawn
• JADES: Discovery of extremely high equivalent width Lyman-alpha emission from a faint galaxy within an ionized bubble at z=7.3
• JADES Data Release 4 -- Paper II: Data reduction, analysis and emission-line fluxes of the complete spectroscopic sample
• Density modulated star formation efficiency: implications for the observed abundance of ultra-violet luminous galaxies at z>10
• SPURS: Evidence for Clumpy Neutral Envelopes and Ionized IGM Surrounding Little Red Dots in Abell 2744 from Ultra-Deep Rest-UV Spectroscopy

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