The GLASS-JWST early release science program. I. Survey design and release plans

T Treu, G Roberts-Borsani, M Bradac… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract The GLASS-JWST Early Release Science (hereafter GLASS-JWST-ERS) Program
will obtain and make publicly available the deepest extragalactic data of the ERS campaign …

JWST UNCOVER: extremely Red and Compact Object at z phot≃ 7.6 triply imaged by A2744

LJ Furtak, A Zitrin, A Plat, S Fujimoto… - The Astrophysical …, 2023 - iopscience.iop.org
Recent JWST/NIRCam imaging taken for the ultra-deep UNCOVER program reveals a very
red dropout object at z phot≃ 7.6, triply imaged by the galaxy cluster A2744 (zd= 0.308). All …

Probing the faint-end luminosity function of Lyman-alpha emitters at 3< z< 7 behind 17 MUSE lensing clusters

TT Thai, P Tuan-Anh, R Pello, I Goovaerts… - Astronomy & …, 2023 - aanda.org
Context. This paper presents a study of the galaxy Lyman-alpha luminosity function (LF)
using a large sample of 17 lensing clusters observed by the Multi Unit Spectroscopic …

Most of the photons that reionized the Universe came from dwarf galaxies

H Atek, I Labbé, LJ Furtak, I Chemerynska, S Fujimoto… - Nature, 2024 - nature.com
The identification of sources driving cosmic reionization, a major phase transition from
neutral hydrogen to ionized plasma around 600–800 Myr after the Big Bang,–, has been a …

Closing in on the sources of cosmic reionization: First results from the GLASS-JWST program

S Mascia, L Pentericci, A Calabrò, T Treu… - Astronomy & …, 2023 - aanda.org
The escape fraction of Lyman-continuum (LyC) photons (f esc) is a key parameter for
determining the sources of cosmic reionization at z≥ 6. At these redshifts, owing to the …

z∼ 2–9 galaxies magnified by the Hubble Frontier Field clusters. II. Luminosity functions and constraints on a faint-end turnover

RJ Bouwens, G Illingworth, RS Ellis… - The Astrophysical …, 2022 - iopscience.iop.org
We present new determinations of the rest-UV luminosity functions (LFs) at z= 2–9 to
extremely low luminosities (>− 14 mag) from a sample of> 2500 lensed galaxies found …

UNCOVERing the extended strong lensing structures of Abell 2744 with the deepest JWST imaging

LJ Furtak, A Zitrin, JR Weaver, H Atek… - Monthly Notices of …, 2023 - academic.oup.com
We present a new parametric lens model for the massive galaxy cluster Abell 2744 based
on new ultra-deep JWST imaging taken in the framework of the UNCOVER program. These …

New high-precision strong lensing modeling of Abell 2744-Preparing for JWST observations

P Bergamini, A Acebron, C Grillo, P Rosati… - Astronomy & …, 2023 - aanda.org
We present a new strong lensing (SL) model of the Hubble Frontier Fields (HFF) galaxy
cluster Abell 2744, at z= 0.3072, by exploiting archival Hubble Space Telescope (HST) …

Inferences on the timeline of reionization at z ∼ 8 from the KMOS Lens-Amplified Spectroscopic Survey

CA Mason, A Fontana, T Treu… - Monthly Notices of …, 2019 - academic.oup.com
Detections and non-detections of Lyman alpha (Lyα) emission from z> 6 galaxies (< 1 Gyr
after the big bang) can be used to measure the timeline of cosmic reionization. Of key …

An excess of small-scale gravitational lenses observed in galaxy clusters

M Meneghetti, G Davoli, P Bergamini, P Rosati… - Science, 2020 - science.org
Cold dark matter (CDM) constitutes most of the matter in the Universe. The interplay
between dark and luminous matter in dense cosmic environments, such as galaxy clusters …