128 citations · 901 across the 38 of their papers we have counts for
40 papers
The DAWN JWST Archive: A spectroscopically-informed population study of the physical properties of galaxies at z>2
Rashmi Gottumukkala, Gabriel Brammer, Sune Toft +30
Charting the evolution of star-formation, stellar mass and dust build-up over cosmic time relies on the accurate characterisation of the stellar population properties of high redsh…
Balmer Absorption Series and Broad Metal Lines in Two Luminous Little Red Dots
Bingjie Wang, Jenny E. Greene, Hanpu Liu +21
Balmer absorption is common among little red dots (LRDs), but absorbers at or redward of systemic are rare, occurring in only \% of H absorbers. In this paper, we stu…
Caught Napping by JWST UNCOVER+MegaScience: Constraining bursty star formation histories and number densities of mini-quenched galaxies at redshifts 4-7
Gourav Khullar, Rachel Bezanson, Katherine A. Suess +27
We explore the prevalence of mini-quenched or ``napping'' galaxies selected from spectroscopic and photometric samples in the UNCOVER/MegaScience survey. These galaxies are empiric…
Metal-Poor Gas Accretion Drives Giant Clump Formation at 0.6 < z < 2.6
Visal Sok, Adam Muzzin, Ben Forrest +20
The physical properties of kiloparsec-scale clumps in high-redshift star-forming galaxies (SFGs) contain crucial constraints on how they assemble. Building on recent work that indi…
Toward Unbreaking the Universe: MINERVA Measurements of Color Gradients in Massive Quiescent Galaxies Can Help Ease Too-Early Star Formation Tensions
Sam E. Cutler, Luke Robbins, Danilo Marchesini +41
The discovery of a population of massive, ancient quiescent galaxies within the first 2 Gyr of the Universe's history has led to significant tensions with models of galaxy formatio…
MAGAZ3NE: Spatially Resolved Ages and Chemical Abundances of Ultra-Massive Quiescent Galaxies at z 3.5 using JWST/NIRSpec IFU
Adit H. Edward, Jacqueline Antwi-Danso, Adam Muzzin +14
We present spatially-resolved measurements of stellar age, [Fe/H], and [/Fe] in three ultra-massive (), compact ( kpc) quie…
RUBIES: The Evolution of the Ionization Parameter from 0 < z < 9
Nikko J. Cleri, Zach J. Lewis, Joel Leja +10
The dimensionless ionization parameter, U=q/c, where q is the ratio of the local ionizing photon flux to the local hydrogen density, is a key metric to parameterize nebular conditi…
Winding Back the Clock: Recent Star Formation Histories of Massive Quiescent Galaxies Are Consistent With Their Rapid Number Density Evolution Since
Yunchong Zhang, Zhiyuan Ji, Rachel Bezanson +17
Massive quiescent galaxies have been identified out to in early JWST data in a substantial excess ( at ) of number densities from most theoretical…
MAGAZ3NE: Dust Deficiency in Ultramassive Quiescent Galaxies at with ALMA Observations
Wenjun Chang, Gillian Wilson, Ben Forrest +14
A major challenge in identifying massive quiescent galaxies at is distinguishing truly passive systems from dust-obscured star-forming galaxies, as both populations exhibit s…
The Mass-Metallicity Relation and its Observational Effects at z~3-6
Zach Lewis, Michael V. Maseda, Anna de Graaff +21
The correlation between galaxy stellar mass and gas-phase metallicity, known as the mass-metallicity relation (MZR), gives key insights into the processes that govern galaxy evolut…
Discovery of Seven Cold and Distant Brown Dwarfs with JWST RUBIES
Sara J. Morrissey, Adam J. Burgasser, Anna de Graaff +2
We report near-infrared spectral model fits to seven distant L- and T-type dwarfs observed with the JWST Near Infrared Spectrograph (NIRSpec) as part of the Red Unknowns: Bright In…
Little Red Dots host Black Hole Stars: A unified family of gas-reddened AGN revealed by JWST/NIRSpec spectroscopy
Anna de Graaff, Raphael E. Hviding, Rohan P. Naidu +34
We use the DAWN JWST Archive to construct and characterise a sample of 146 little red dots (LRDs) across 2.0<z<9.3, selecting all sources with v-shaped UV-optical continua from NIR…
Where Galaxies Go to Die: The Environments of Massive Quiescent Galaxies at
Ian McConachie, Anna de Graaff, Michael V. Maseda +25
At low redshift, massive quiescent galaxies (MQGs) are most frequently found in massive, rich galaxy clusters, but at high redshift the trend is less clear. Here, we present spectr…
MAGAZ3NE: Far-IR and Radio Insights into the Nature and Properties of Ultramassive Galaxies at
Wenjun Chang, Gillian Wilson, Ben Forrest +12
Deep and wide-field near-infrared (NIR) surveys have recently discovered and confirmed ultramassive galaxies (UMGs; ) spectroscopically at high redsh…
Excavating The Ruins: an Ancient Galaxy Which Formed in the First 500 Myr
Ian McConachie, Jacqueline Antwi-Danso, Wenjun Chang +14
We present the analysis of an ancient galaxy at which we dub ``Eridu.'' Simultaneously modeling the JWST/NIRSpec G140M and G235M spectra from the SMILES program and $0.4-…
The Missing Hard Photons of Little Red Dots: Their Incident Ionizing Spectra Resemble Massive Stars
Bingjie Wang, Joel Leja, Harley Katz +11
The nature of Little Red Dots (LRDs) has largely been investigated through their continuum emission, with lines assumed to arise from a broad-line region. In this paper, we instead…
A massive and evolved slow-rotating galaxy in the early Universe
Ben Forrest, Adam Muzzin, Danilo Marchesini +15
In the contemporary Universe, most galaxies are supported by ordered rotation, yet a significant subset of the most massive and quiescent systems are dominated by random stellar mo…
RUBIES spectroscopically confirms the high number density of quiescent galaxies from
Yunchong Zhang, Anna de Graaff, David J. Setton +21
We present the number density of massive () quiescent galaxies at using JWST NIRSpec PRISM spectra. This work relies on spectra fr…
MINERVA: A NIRCam Medium Band and MIRI Imaging Survey to Unlock the Hidden Gems of the Distant Universe
Adam Muzzin, Katherine A. Suess, Danilo Marchesini +81
We present an overview of the MINERVA survey, a 259.8 hour (prime) and 127 hour (parallel) Cycle 4 treasury program on the James Webb Space Telescope (JWST). MINERVA is obtaining 8…
RUBIES: A Spectroscopic Census of Little Red Dots; All V-Shaped Point Sources Have Broad Lines
Raphael E. Hviding, Anna de Graaff, Tim B. Miller +16
The physical nature of Little Red Dots (LRDs) - a population of compact, red galaxies revealed by JWST - remains unclear. Photometric samples are constructed from varying selection…
A "Black Hole Star" Reveals the Remarkable Gas-Enshrouded Hearts of the Little Red Dots
Rohan P. Naidu, Jorryt Matthee, Harley Katz +48
The physical processes that led to the formation of billion solar mass black holes within the first 700 million years of cosmic time remain a puzzle. Several theoretical scenarios…
A confirmed deficit of hot and cold dust emission in the most luminous Little Red Dots
David J. Setton, Jenny E. Greene, Justin S. Spilker +33
Luminous broad H emission and red rest-optical SEDs are the hallmark of compact Little Red Dots (LRDs), implying highly attenuated dusty starbursts and/or obscured active galact…
A remarkable Ruby: Absorption in dense gas, rather than evolved stars, drives the extreme Balmer break of a Little Red Dot at
Anna de Graaff, Hans-Walter Rix, Rohan P. Naidu +25
The origin of the rest-optical emission of compact, red, high-redshift sources known as `little red dots' (LRDs) poses a major puzzle. If interpreted as starlight, it would imply t…
MAGAZ3NE: Evidence for Galactic Conformity in Protoclusters
Ian McConachie, Gillian Wilson, Ben Forrest +16
We examine the quiescent fractions of massive galaxies in six spectroscopically-confirmed protoclusters in the COSMOS field, one of which is newly confirmed and present…