Spectroscopic confirmation of two luminous galaxies at a redshift of 14

S Carniani, K Hainline, F D'Eugenio, DJ Eisenstein… - Nature, 2024 - nature.com
The first observations of the James Webb Space Telescope (JWST) have revolutionized our
understanding of the Universe by identifying galaxies at redshift z≈ 13 (refs.,–). In addition …

JWST Measurements of Neutral Hydrogen Fractions and Ionized Bubble Sizes at z= 7–12 Obtained with Lyα Dam** Wing Absorptions in 27 Bright Continuum …

H Umeda, M Ouchi, K Nakajima… - The Astrophysical …, 2024 - iopscience.iop.org
We present volume-averaged neutral hydrogen fractions x HI and ionized bubble radii R b
measured with Lyα dam** wing absorption of galaxies at the epoch of reionization. We …

Inside the bubble: exploring the environments of reionisation-era Lyman-α emitting galaxies with JADES and FRESCO

J Witstok, R Smit, A Saxena, GC Jones… - Astronomy & …, 2024 - aanda.org
We present a study of the environments of 17 Lyman-α emitting galaxies (LAEs) in the
reionisation-era (5.8< z< 8) identified by JWST/NIRSpec as part of the JWST Advanced …

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 …

AJ Bunker, AJ Cameron, E Curtis-Lake… - Astronomy & …, 2024 - aanda.org
We describe the NIRSpec component of the JWST Deep Extragalactic Survey (JADES), and
provide deep spectroscopy of 253 sources targeted with the NIRSpec micro-shutter …

JWST/NIRSpec Observations of Lyman α Emission in Star-forming Galaxies at 6.5≲ z≲ 13

M Tang, DP Stark, MW Top**, C Mason… - The Astrophysical …, 2024 - iopscience.iop.org
We present an analysis of JWST Lyα spectroscopy of z≳ 6.5 galaxies, using observations in
the public archive covering galaxies in four independent fields: Great Observatories Origins …

Between the Extremes: A JWST Spectroscopic Benchmark for High-redshift Galaxies Using∼ 500 Confirmed Sources at z≥ 5

G Roberts-Borsani, T Treu, A Shapley… - The Astrophysical …, 2024 - iopscience.iop.org
The exceptional spectra of the most luminous z> 10 sources observed so far have
challenged our understanding of early galaxy evolution, requiring a new observational …

The reionizing bubble size distribution around galaxies

TY Lu, CA Mason, A Hutter, A Mesinger… - Monthly Notices of …, 2024 - academic.oup.com
Lyman-alpha (Ly α) emission from galaxies is currently our most promising probe for
constraining when and how reionization began, and thus when the first galaxies formed. At …

Insight from JWST/Near Infrared Camera into galaxy overdensities around bright Lyman-alpha emitters during reionization: implications for ionized bubbles at z ∼ 9

L Whitler, DP Stark, R Endsley, Z Chen… - Monthly Notices of …, 2024 - academic.oup.com
Several studies have detected Lyman-alpha (Ly α) from bright () galaxies during the early
stages of reionization despite the significantly neutral intergalactic medium. To explain these …

JWST spectroscopy of z ∼ 5–8 UV-selected galaxies: new constraints on the evolution of the Ly α escape fraction in the reionization era

Z Chen, DP Stark, C Mason, MW Top**… - Monthly Notices of …, 2024 - academic.oup.com
We describe JWST/NIRSpec prism measurements of Ly α emission in z≳ 5 galaxies. We
identify Ly α detections in 10 out of 69 galaxies with robust rest-optical emission-line redshift …

Multivariate Predictors of Lyman Continuum Escape. II. Predicting Lyman Continuum Escape Fractions for High-redshift Galaxies

AE Jaskot, AC Silveyra, A Plantinga… - The Astrophysical …, 2024 - iopscience.iop.org
JWST is uncovering the properties of ever-increasing numbers of galaxies at z> 6, during the
epoch of reionization. Connecting these observed populations to the process of reionization …