441 citations · 5.7k across the 160 of their papers we have counts for
31 papers · 1 filter
An unambiguous AGN and a Balmer break in an Ultraluminous Little Red Dot at z=4.47 from Ultradeep UNCOVER and All the Little Things Spectroscopy
Ivo Labbe, Jenny E. Greene, Jorryt Matthee +37
We present a detailed exploration of the most optically-luminous Little Red Dot (erg/s, erg/s, F444W=22AB) found to date. Located in the Abell 2744 fie…
Environmental Evidence for Overly Massive Black Holes in Low Mass Galaxies and a Black Hole - Halo Mass Relation at
Jorryt Matthee, Rohan P. Naidu, Gauri Kotiwale +14
JWST observations have unveiled faint active galactic nuclei (AGN) at high-redshift that provide insights on the formation of supermassive black holes (SMBHs) and their coevolution…
Untangling Magellanic Streams
Dennis Zaritsky, Vedant Chandra, Charlie Conroy +3
The Magellanic Stream (MS) has long been known to contain multiple H I strands and corresponding stellar populations are beginning to be discovered. Combining a sample of 17 stars…
A Glimpse of the New Redshift Frontier Through Abell S1063
Vasily Kokorev, Hakim Atek, John Chisholm +31
We report the discovery of two galaxy candidates at redshifts between in JWST observations from the GLIMPSE survey. These robust sources were identified using a combi…
Tracing star formation across cosmic time at tens of parsec-scales in the lensing cluster field Abell 2744
Adélaïde Claeyssens, Angela Adamo, Matteo Messa +5
We present a sample of 1956 individual stellar clumps at redshift 0.7<z<10, detected with JWST/NIRCam in 476 galaxies lensed by the galaxy cluster Abell2744. The lensed clumps pres…
All the Little Things in Abell 2744: 1000 Gravitationally Lensed Dwarf Galaxies at from JWST NIRCam Grism Spectroscopy
Rohan P. Naidu, Jorryt Matthee, Ivan Kramarenko +31
Dwarf galaxies hold the key to crucial frontiers of astrophysics, however, their faintness renders spectroscopy challenging. Here we present the JWST Cycle 2 survey, All the Little…
GA-NIFS and EIGER: A merging quasar host at z=7 with an overmassive black hole
Madeline A. Marshall, Minghao Yue, Anna-Christina Eilers +22
The James Webb Space Telescope is revolutionising our ability to understand the host galaxies and local environments of high-z quasars. Here we obtain a comprehensive understanding…
The Rapid Formation of the Metal Poor Milky Way
Turner Woody, Charlie Conroy, Phillip Cargile +6
Our understanding of the assembly timeline of the Milky Way has been transforming along with the dramatic increase in astrometric and spectroscopic data available over the past sev…
An Hα view of galaxy build-up in the first 2 Gyr: luminosity functions at z~4-6.5 from NIRCam/grism spectroscopy
Alba Covelo-Paz, Emma Giovinazzo, Pascal A. Oesch +22
The Hα nebular emission line is an optimal tracer for recent star formation in galaxies. With the advent of JWST, this line has recently become observable at z>3 for the first time…
RUBIES: a complete census of the bright and red distant Universe with JWST/NIRSpec
Anna de Graaff, Gabriel Brammer, Andrea Weibel +25
We present the Red Unknowns: Bright Infrared Extragalactic Survey (RUBIES), providing JWST/NIRSpec spectroscopy of red sources selected across ~150 arcmin from public JWST/NIRC…
RUBIES Reveals a Massive Quiescent Galaxy at z=7.3
Andrea Weibel, Anna de Graaff, David J. Setton +26
We report the spectroscopic discovery of a massive quiescent galaxy at , just Myr after the Big Bang. RUBIES-UDS-QG-z7 was selected from public…
A massive, neutral gas reservoir permeating a galaxy proto-cluster after the reionization era
Kasper E. Heintz, Jake S. Bennett, Pascal A. Oesch +21
Galaxy clusters are the most massive, gravitationally-bound structures in the Universe, emerging through hierarchical structure formation of large-scale dark matter and baryon over…
Early Galaxies and Early Dark Energy: A Unified Solution to the Hubble Tension and Puzzles of Massive Bright Galaxies revealed by JWST
Xuejian Shen, Mark Vogelsberger, Michael Boylan-Kolchin +2
JWST has revealed a large population of ultra-violet (UV)-bright galaxies at and possibly overly massive galaxies at , challenging standard galaxy formati…
RUBIES: Evolved Stellar Populations with Extended Formation Histories at in Candidate Massive Galaxies Identified with JWST/NIRSpec
Bingjie Wang, Joel Leja, Anna de Graaff +17
The identification of red, apparently massive galaxies at in early JWST photometry suggests a strongly accelerated timeline compared to standard models of galaxy growth. A ma…
AGN Feedback in Quiescent Galaxies at Cosmic Noon Traced by Ionized Gas Emission
Letizia Bugiani, Sirio Belli, Minjung Park +17
We analyze ionized gas emission lines in deep rest-frame optical spectra of 16 quiescent galaxies at redshift observed with JWST/NIRSpec by the Blue Jay survey. Robust…
All-Sky Kinematics of the Distant Halo: The Reflex Response to the LMC
Vedant Chandra, Rohan P. Naidu, Charlie Conroy +11
The infall of the Large Magellanic Cloud (LMC) is predicted to displace the inner Milky Way (MW), imprinting an apparent 'reflex motion' on the observed velocities of distant halo…
The First Billion Years, According to JWST
Angela Adamo, Hakim Atek, Micaela B. Bagley +46
With stunning clarity, JWST has revealed the Universe's first billion years. The scientific community is analyzing a wealth of JWST imaging and spectroscopic data from that era, an…
Medium Bands, Mega Science: a JWST/NIRCam Medium-Band Imaging Survey of Abell 2744
Katherine A. Suess, John R. Weaver, Sedona H. Price +39
In this paper, we describe the "Medium Bands, Mega Science" JWST Cycle 2 survey (JWST-GO-4111) and demonstrate the power of these data to reveal both the spatially-integrated and s…
The Rise of the -Process in the Gaia-Sausage/Enceladus Dwarf Galaxy
Xiaowei Ou, Alexander P. Ji, Anna Frebel +2
Neutron star mergers (NSMs) produce copious amounts of heavy r-process elements after a time delayed inspiral process. Once NSMs are present in a galaxy, r-process elements, such a…
The JWST-PRIMAL Legacy Survey. A JWST/NIRSpec reference sample for the physical properties and Lyman- absorption and emission of galaxies at
K. E. Heintz, G. B. Brammer, D. Watson +45
One of the surprising early findings with JWST has been the discovery of a strong "roll-over" or a softening of the absorption edge of Ly in a large number of galaxies at ($z\gt…
Widespread rapid quenching at cosmic noon revealed by JWST deep spectroscopy
Minjung Park, Sirio Belli, Charlie Conroy +16
Massive quiescent galaxies in the young universe are expected to be quenched rapidly, but it is unclear whether they all experience starbursts before quenching and what physical me…
A First Look at Spatially Resolved Star Formation at with JWST FRESCO NIRCam Slitless Spectroscopy
Jasleen Matharu, Erica J. Nelson, Gabriel Brammer +19
We present the first results on the spatial distribution of star formation in 454 star-forming galaxies at using H-Alpha emission-line maps and F444W imaging tracing th…
FRESCO: The Paschen- Star Forming Sequence at Cosmic Noon
Chloe Neufeld, Pieter van Dokkum, Yasmeen Asali +17
We present results from the JWST First Reionization Epoch Spectroscopically Complete Observations survey (FRESCO) on the star forming sequence of galaxies at , around th…
Anatomy of an ionized bubble: NIRCam grism spectroscopy of the double-peaked Lyman- emitter COLA1 and its environment
Alberto Torralba-Torregrosa, Jorryt Matthee, Rohan P. Naidu +10
The increasingly neutral intergalactic gas at impacts the Lyman- flux observed from galaxies. One luminous galaxy, COLA1, stands out because of its unique double-peaked Ly…