UNCOVER: The Growth of the First Massive Black Holes from JWST/NIRSpec—Spectroscopic Redshift Confirmation of an X-Ray Luminous AGN at z= 10.1

AD Goulding, JE Greene, DJ Setton… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract The James Webb Space Telescope is now detecting early black holes (BHs) as
they transition from" seeds" to supermassive BHs. Recently, Bogdan et al. reported the …

UNCOVER: A NIRSpec Identification of a Broad-line AGN at z= 8.50

V Kokorev, S Fujimoto, I Labbe… - The Astrophysical …, 2023 - iopscience.iop.org
Deep observations with the James Webb Space Telescope (JWST) have revealed an
emerging population of red pointlike sources that could provide a link between the …

JWST UNCOVER: discovery of z > 9 galaxy candidates behind the lensing cluster Abell 2744

H Atek, I Chemerynska, B Wang… - Monthly Notices of …, 2023 - academic.oup.com
We present the results of a search for high-redshift (z> 9) galaxy candidates in the JWST
UNCOVER survey, using deep NIRCam and NIRISS imaging in seven bands over∼ 45 …

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 …

JADES-The diverse population of infant black holes at 4< z< 11: Merging, tiny, poor, but mighty

R Maiolino, J Scholtz, E Curtis-Lake, S Carniani… - Astronomy & …, 2024 - aanda.org
Spectroscopy with the James Webb Space Telescope has opened the possibility of
identifying moderate-luminosity active galactic nuclei (AGNs) in the early Universe, at and …

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 …

The UNCOVER Survey: A First-look HST+ JWST Catalog of 60,000 Galaxies near A2744 and beyond

JR Weaver, SE Cutler, R Pan… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract In 2022 November, the James Webb Space Telescope (JWST) returned deep near-
infrared images of A2744—a powerful lensing cluster capable of magnifying distant …

A high black-hole-to-host mass ratio in a lensed AGN in the early Universe

LJ Furtak, I Labbé, A Zitrin, JE Greene, P Dayal… - Nature, 2024 - nature.com
Early JWST observations have uncovered a population of red sources that might represent a
previously overlooked phase of supermassive black hole growth,–. One of the most …

Hidden Giants in JWST's PEARLS: An Ultramassive z= 4.26 Submillimeter Galaxy that Is Invisible to HST

I Smail, U Dudzevičiūtė, M Gurwell… - The Astrophysical …, 2023 - iopscience.iop.org
We present a multiwavelength analysis using the Submillimeter Array (SMA), James Clerk
Maxwell Telescope, NOEMA, JWST, the Hubble Space Telescope (HST), and the Spitzer …