COSMOS-Web: an overview of the JWST Cosmic Origins Survey

CM Casey, JS Kartaltepe, NE Drakos… - The Astrophysical …, 2023 - iopscience.iop.org
We present the survey design, implementation, and outlook for COSMOS-Web, a 255 hr
treasury program conducted by the James Webb Space Telescope in its first cycle of …

Cluster–galaxy weak lensing

K Umetsu - The Astronomy and Astrophysics Review, 2020 - Springer
Weak gravitational lensing of background galaxies provides a direct probe of the projected
matter distribution in and around galaxy clusters. Here, we present a self-contained …

A Comprehensive Study of Galaxies at z∼ 9–16 Found in the Early JWST Data: Ultraviolet Luminosity Functions and Cosmic Star Formation History at the Pre …

Y Harikane, M Ouchi, M Oguri, Y Ono… - The Astrophysical …, 2023 - iopscience.iop.org
We conduct a comprehensive study on dropout galaxy candidates at z∼ 9–16 using the first
90 arcmin 2 James Webb Space Telescope (JWST) Near Infrared Camera images taken by …

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 …

A highly magnified star at redshift 6.2

B Welch, D Coe, JM Diego, A Zitrin, E Zackrisson… - Nature, 2022 - nature.com
Galaxy clusters magnify background objects through strong gravitational lensing. Typical
magnifications for lensed galaxies are factors of a few but can also be as high as tens or …

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 …

UNCOVER Spectroscopy Confirms the Surprising Ubiquity of Active Galactic Nuclei in Red Sources at z> 5

JE Greene, I Labbe, AD Goulding… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The James Webb Space Telescope is revealing a new population of dust-reddened
broad-line active galactic nuclei (AGN) at redshifts z≳ 5. Here we present deep …

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 …

The Frontier Fields: survey design and initial results

JM Lotz, A Koekemoer, D Coe, N Grogin… - The Astrophysical …, 2017 - iopscience.iop.org
What are the faintest distant galaxies we can see with the Hubble Space Telescope (HST)
now, before the launch of the James Webb Space Telescope? This is the challenge taken …