papers

Publications (58)

astro-ph.GA2016

UV to IR Luminosities and Dust Attenuation Determined from ~4000 K-Selected Galaxies at 1<z<3 in the ZFOURGE Survey

Ben Forrest, Kim-Vy H. Tran, Adam R. Tomczak +22

We build a set of composite galaxy SEDs by de-redshifting and scaling multi-wavelength photometry from galaxies in the ZFOURGE survey, covering the CDFS, COSMOS, and UDS fields. Fr…

astro-ph.GA2020

The Massive Ancient Galaxies At NEar-infrared (MAGAZ3NE) Survey: Confirmation of Extremely Rapid Star-Formation and Quenching Timescales for Massive Galaxies in the Early Universe

Ben Forrest, Z. Cemile Marsan, Marianna Annunziatella +15

We present near-infrared spectroscopic confirmations of a sample of 16 photometrically-selected galaxies with stellar masses log(M_star/M_sun) > 11 at redshift z > 3 from the XMM-V…

astro-ph.GA2025

The HST-Hyperion Survey: Grism Observations of a Proto-Supercluster

Ben Forrest, Lu Shen, Brian C. Lemaux +19

We present first results and catalogs from the HST-Hyperion survey. This survey has collected 50 orbits of WFC3/F160W imaging and WFC3/G141 grism spectroscopy in the most overdense…

astro-ph.GA2024

Environmental Effects on the Stellar Mass Function in a z~3.3 Overdensity of Galaxies in the COSMOS Field

Ben Forrest, Brian C. Lemaux, Ekta A. Shah +17

We present an analysis of the number density of galaxies as a function of stellar mass (i.e., the stellar mass function, SMF) in the COSMOS field at z~3.3, making a comparison betw…

astro-ph.GA2018

A Low Lyman Continuum Escape Fraction of for Extreme [OIII] Emitters in an Overdensity at z

Rohan P. Naidu, Ben Forrest, Pascal A. Oesch +2

Recent work has suggested extreme [OIII] emitting star-forming galaxies are important to reionization. Relatedly, [OIII]/[OII] has been put forward as an indirect estimator of the…

astro-ph.GA2025

CANUCS/Technicolor Data Release 1: Imaging, Photometry, Slit Spectroscopy, and Stellar Population Parameters

Ghassan T. E. Sarrouh, Yoshihisa Asada, Nicholas S. Martis +44

We present the first data release of the CAnadian NIRISS Unbiased Cluster Survey (CANUCS), a JWST Cycle 1 GTO program targeting 5 lensing clusters and flanking fields in parallel (…

astro-ph.GA2024

MOSEL survey: Spatially offset Lyman-continuum emission in a new emitter at z=3.088

Anshu Gupta, Cathryn M. Trott, Ravi Jaiswar +9

We present the discovery of a unique Lyman-continuum (LyC) emitter at z=3.088. The LyC emission were detected using the Hubble Space Telescope (HST) WFC3/UVIS F336W filter, coverin…

astro-ph.GA2020

MOSEL: Strong [OIII]5007 Ã Emitting Galaxies at (3<z<4) from the ZFOURGE Survey

Kim-Vy H. Tran, Ben Forrest, Leo Y. Alcorn +13

To understand how strong emission line galaxies (ELGs) contribute to the overall growth of galaxies and star formation history of the universe, we target Strong ELGs (SELGs) from t…

astro-ph.GA2025

Distinct origins of environmentally quenched galaxies in the core and outer virialised regions of massive clusters at

Guillaume Hewitt, Florian Sarron, Michael L. Balogh +15

High-redshift () galaxy clusters are the domain where environmental quenching mechanisms are expected to emerge as important factors in the evolution of the quiescent galax…

astro-ph.GA2022

MAGAZ3NE: High Stellar Velocity Dispersions for Ultra-Massive Quiescent Galaxies at

Ben Forrest, Gillian Wilson, Adam Muzzin +17

In this work we publish stellar velocity dispersions, sizes, and dynamical masses for 8 ultra-massive galaxies (UMGs; log(/M, ) from the Massive Ancient Ga…

astro-ph.GA2017

Decoupled Black Hole Accretion and Quenching: The Relationship Between BHAR, SFR, and Quenching in Milky Way and Andromeda-mass Progenitors Since z = 2.5

Michael J. Cowley, Lee R. Spitler, Ryan F. Quadri +13

We investigate the relationship between the black hole accretion rate (BHAR) and star-formation rate (SFR) for Milky Way (MW) and Andromeda (M31)-mass progenitors from z = 0.2 - 2.…

astro-ph.GA2024

Spectroscopic Confirmation of an Ultra-Massive Galaxy in a Protocluster at

Stephanie M. Urbano Stawinski, M. C. Cooper, Ben Forrest +8

We present spectroscopic confirmation of an ultra-massive galaxy (UMG) with at in the Extended Groth Strip (EGS)…

astro-ph.GA2019

An Extremely Massive Quiescent Galaxy at : Evidence of Insufficiently Rapid Quenching Mechanisms in Theoretical Models

Ben Forrest, Marianna Annunziatella, Gillian Wilson +17

We present spectra of the most massive quiescent galaxy yet discovered at , spectroscopically confirmed via the detection of Balmer absorption features in the and ban…

astro-ph.GA2017

Discovery of Extreme [OIII]+H Emitting Galaxies Tracing an Overdensity at z~3.5 in CDF-South

Ben Forrest, Kim-Vy H. Tran, Adam Broussard +12

Using deep multi-wavelength photometry of galaxies from ZFOURGE, we group galaxies at by the shape of their spectral energy distributions (SEDs). We identify a populati…

astro-ph.GA2026

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) qui…

astro-ph.GA2026

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…

astro-ph.GA2020

The GOGREEN Survey: A deep stellar mass function of cluster galaxies at 1.0<z<1.4 and the complex nature of satellite quenching

Remco F. J. van der Burg, Gregory Rudnick, Michael L. Balogh +28

We study the stellar mass functions (SMFs) of star-forming and quiescent galaxies in 11 galaxy clusters at 1.0<z<1.4, drawn from the Gemini Observations of Galaxies in Rich Early E…

astro-ph.GA2020

The GOGREEN survey: Post-infall environmental quenching fails to predict the observed age difference between quiescent field and cluster galaxies at z>1

Kristi Webb, Michael L. Balogh, Joel Leja +29

We study the star formation histories (SFHs) and mass-weighted ages of 331 UVJ-selected quiescent galaxies in 11 galaxy clusters and in the field at 1<z<1.5 from the Gemini Observa…

astro-ph.GA2023

MOSEL survey: JWST reveals major mergers/strong interactions drive the extreme emission lines in the early universe

Anshu Gupta, Ravi Jaiswar, Vicente Rodriguez-Gomez +7

Extreme emission line galaxies (EELGs), where nebular emissions contribute 30-40% of the flux in certain photometric bands, are ubiquitous in the early universe (z>6). We utilise d…

astro-ph.GA2024

The first quenched galaxies, when and how?

Lizhi Xie, Gabriella De Lucia, Fabio Fontanot +11

Many quiescent galaxies discovered in the early Universe by \textit{JWST} raise fundamental questions on when and how these galaxies became and stayed quenched. Making use of the l…

astro-ph.GA2018

ZFOURGE: Extreme 5007 emission may be a common early-lifetime phase for star-forming galaxies at

Jonathan H. Cohn, Joel Leja, Kim-Vy H. Tran +12

Using the \prospector\ spectral energy distribution (SED) fitting code, we analyze the properties of 19 Extreme Emission Line Galaxies (EELGs) identified in the bluest composite SE…

astro-ph.GA2026

Towards 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…

astro-ph.GA2026

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…

astro-ph.GA2025

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-…

astro-ph.GA2025

Discovering Large-Scale Structure at in the C3VO Survey

Denise Hung, Brian C. Lemaux, Olga Cucciati +23

The Charting Cluster Construction with VUDS and ORELSE (C3VO) survey is an ongoing imaging and spectroscopic campaign aiming to map out the growth of structure up to and w…

astro-ph.GA2016

Spatial Correlation Between Dust and H Emission in Dwarf Irregular Galaxies

Jimmy, Kim-Vy Tran, Amélie Saintonge +5

Using a sample of dwarf irregular galaxies selected from the ALFALFA blind HI-survey and observed using the VIMOS IFU, we investigate the relationship between H emission and Ba…

astro-ph.GA2026

Cluster vs Field: Clear Evidence for a Morphology-Density Relation in All Environments at

Westley Brown, Adam Muzzin, Jasleen Matharu +6

We explore the relationship between galaxy structure, stellar mass, and local galaxy density in three SpARCS clusters at and compare with field galaxies from the 3D-HST…

astro-ph.GA2025

Insights into environmental quenching at : an enhancement of faint, low-mass passive galaxies in clusters

Harry Gully, Nina Hatch, Syeda Lammim Ahad +11

Understanding the processes that transform star-forming galaxies into quiescent ones is key to unraveling the role of environment in galaxy evolution. We present measurements of th…

astro-ph.GA2022

MOSEL Survey: Extremely weak outflows in EoR analogues at z=3-4

Anshu Gupta, Kim-Vy Tran, Trevor Mendel +7

This paper presents deep K-band spectroscopic observations of galaxies at z=3-4 with composite photometric rest-frame Hb+[OIII] equivalent widths EW_0>600A, comparable to the EW of…

astro-ph.GA2026

The HST-Hyperion Survey: Environmental Imprints on the Stellar-Mass Function at z~2.5

Derek Sikorski, Ben Forrest, Brian C. Lemaux +19

Not all galaxies at Cosmic Noon evolve in the same way. It remains unclear how the local environment -- especially the extreme overdensities of protoclusters -- affects stellar mas…

astro-ph.GA2023

The stellar mass function of quiescent galaxies in 2 < z < 2.5 protoclusters

Adit H. Edward, Michael L. Balogh, Yannick M. Bahe +21

We present an analysis of the galaxy stellar mass function (SMF) of 14 known protoclusters between in the COSMOS field, down to a mass limit of M$_{\odot…

astro-ph.GA2025

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…

astro-ph.GA2018

ZFIRE: 3D Modeling of Rotation, Dispersion, and Angular Momentum of Star-Forming Galaxies at z~2

Leo Y. Alcorn, Kim-Vy Tran, Karl Glazebrook +10

We perform a kinematic and morphological analysis of 44 star-forming galaxies at in the COSMOS legacy field using near-infrared spectroscopy from Keck/MOSFIRE and F160W im…

astro-ph.GA2020

MOSEL Survey: Tracking the Growth of Massive Galaxies at 2<z<4 using Kinematics and the IllustrisTNG Simulation

Anshu Gupta, Kim-Vy Tran, Jonathan Cohn +13

We use K-band spectroscopic data from the Multi-Object Spectroscopic Emission Line (MOSEL) survey to analyze the kinematic properties of galaxies at z>3. Our sample consists of 34…

astro-ph.GA2020

The H star formation main sequence in cluster and field galaxies at

Julie Nantais, Gillian Wilson, Adam Muzzin +16

We calculate H-based star formation rates and determine the star formation rate-stellar mass relation for members of three SpARCS clusters at and serendipitously i…

astro-ph.GA2016

The FourStar Galaxy Evolution Survey (ZFOURGE): ultraviolet to far-infrared catalogs, medium-bandwidth photometric redshifts with improved accuracy, stellar masses, and confirmation of quiescent galaxies to z~3.5

Caroline M. S. Straatman, Lee R. Spitler, Ryan F. Quadri +26

The FourStar galaxy evolution survey (ZFOURGE) is a 45 night legacy program with the FourStar near-infrared camera on Magellan and one of the most sensitive surveys to date. ZFOURG…

astro-ph.GA2017

Effect of local environment and stellar mass on galaxy quenching and morphology at

Lalitwadee Kawinwanichakij, Casey Papovich, Ryan F. Quadri +20

We study galactic star-formation activity as a function of environment and stellar mass over 0.5<z<2.0 using the FourStar Galaxy Evolution (ZFOURGE) survey. We estimate the galaxy…

astro-ph.GA2018

The Effects of Environment on the Evolution of the Galaxy Stellar Mass Function

Casey Papovich, Lalitwadee Kawinwanichakij, Ryan Quadri +8

We study the effects of galaxy environment on the evolution of the stellar-mass function (SMF) over 0.2 < z < 2.0 using the FourStar Galaxy Evolution (ZFOURGE) survey and NEWFIRM M…

astro-ph.GA2025

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…

astro-ph.GA2021

Spectroscopic Confirmation of a Protocluster at with a High Fraction of Quiescent Galaxies

Ian McConachie, Gillian Wilson, Ben Forrest +10

We report the discovery of MAGAZ3NE J095924+022537, a spectroscopically-confirmed protocluster at around a spectroscopically-confirmed -quiesc…

astro-ph.GA2024

MAGAZ3NE: Massive, Extremely Dusty Galaxies at Lead to Photometric Overestimation of Number Densities of the Most Massive Galaxies at

Ben Forrest, M. C. Cooper, Adam Muzzin +17

We present rest-frame optical spectra from Keck/MOSFIRE and Keck/NIRES of 16 candidate ultramassive galaxies targeted as part of the Massive Ancient Galaxies at Near-Infrared…

astro-ph.GA2026

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…

astro-ph.GA2026

Quantifying the Impact of Incompleteness on Identifying and Interpreting Galaxy Protocluster Populations with the TNG-Cluster Simulation

Devontae C. Baxter, Alison L. Coil, Ethan O. Nadler +7

We use the TNG-Cluster simulation to investigate how stellar mass and star formation rate (SFR) incompleteness affect the identification of density peaks within galaxy protocluster…

astro-ph.GA2023

When the Well Runs Dry: Modeling Environmental Quenching of High-mass Satellites in Massive Clusters at \boldmath

Devontae C. Baxter, Michael C. Cooper, Michael L. Balogh +11

We explore models of massive () satellite quenching in massive clusters at using an MCMC framework, focusing on two primary parameters: $R_…

astro-ph.GA2024

MOSEL survey: Unwrapping the Epoch of Reionization through mimic galaxies at Cosmic Noon

Ravi Jaiswar, Anshu Gupta, Elisabete da Cunha +4

The nature of the first galaxies that reionized the universe during the Epoch of Reionization (EoR) remains unclear. Attempts to directly determine spectral properties of these ear…

astro-ph.GA2020

The Rapid Build-up of Massive Early-type Galaxies. Supersolar Metallicity, High Velocity Dispersion and Young Age for an ETG at z=3.35

Paolo Saracco, Danilo Marchesini, Francesco La Barbera +8

Thanks to very deep spectroscopic observations carried out at the Large Binocular Telescope, we measured simultaneously stellar age, metallicity and velocity dispersion for C1-2315…

astro-ph.GA2020

The GOGREEN and GCLASS Surveys: First Data Release

Michael L. Balogh, Remco F. J. van der Burg, Adam Muzzin +42

We present the first public data release of the GOGREEN and GCLASS surveys of galaxies in dense environments, spanning a redshift range . The surveys consist of deep, mu…

astro-ph.GA2023

Elentári: A Proto-Supercluster in COSMOS

Ben Forrest, Brian C. Lemaux, Ekta Shah +25

Motivated by spectroscopic confirmation of three overdense regions in the COSMOS field at , we analyze the uniquely deep multi-wavelength photometry and extensive spectr…

astro-ph.GA2018

ZFOURGE: Using Composite Spectral Energy Distributions to Characterize Galaxy Populations at 1<z<4

Ben Forrest, Kim-Vy H. Tran, Adam Broussard +12

We investigate the properties of galaxies as they shut off star formation over the 4 billion years surrounding peak cosmic star formation. To do this we categorize galax…

astro-ph.GA2023

Protoclusters as Drivers of Stellar Mass Growth in the Early Universe, a Case Study: Taralay -- a Massive Protocluster at z ~ 4.57

Priti Staab, Brian C. Lemaux, Ben Forrest +26

Simulations predict that the galaxy populations inhabiting protoclusters may contribute considerably to the total amount of stellar mass growth of galaxies in the early universe. I…

astro-ph.GA2020

The Number Densities and Stellar Populations of Massive Galaxies at 3 < z < 6: A Diverse, Rapidly Forming Population in the Early Universe

Z. Cemile Marsan, Adam Muzzin, Danilo Marchesini +9

We present the census of massive (log(M/M)) galaxies at identified over the COSMOS/UltraVISTA Ultra-Deep field stripes: consisting of

astro-ph.GA2021

The GOGREEN survey: Transition Galaxies and The Evolution of Environmental Quenching

Karen McNab, Michael L. Balogh, Remco F. J. van der Burg +25

We measure the rate of environmentally-driven star formation quenching in galaxies at , using eleven massive () galaxy clusters…

astro-ph.GA2022

The ALPINE-ALMA [CII] survey: The infrared-radio correlation and AGN fraction of star-forming galaxies at z 4.4-5.9

Lu Shen, Brian C. Lemaux, Lori M. Lubin +26

We present the radio properties of 66 spectroscopically-confirmed normal star-forming galaxies (SFGs) at in the COSMOS field that were [C II] detected in the Atacama La…

astro-ph.GA2019

A Tale of Two Clusters: An Analysis of Gas-Phase Metallicity and Nebular Gas Conditions in Proto-cluster Galaxies at z~2

Leo Y. Alcorn, Anshu Gupta, Kim-Vy Tran +12

The ZFIRE survey has spectroscopically confirmed two proto-clusters using the MOSFIRE instrument on Keck 1: one at z=2.095 in COSMOS and another at z=1.62 in UDS. Here we use an up…

astro-ph.GA2020

The GOGREEN survey: The environmental dependence of the star-forming galaxy main sequence at

Lyndsay J. Old, Michael. L. Balogh, Remco F. J van der Burg +26

We present results on the environmental dependence of the star-forming galaxy main sequence in 11 galaxy cluster fields at from the Gemini Observations of Galaxies…

astro-ph.GA2024

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…

astro-ph.GA2021

The GOGREEN Survey: Evidence of an excess of quiescent disks in clusters at

Jeffrey C. C. Chan, Gillian Wilson, Michael Balogh +21

We present results on the measured shapes of 832 galaxies in 11 galaxy clusters at 1.0 < z <1.4 from the GOGREEN survey. We measure the axis ratio (), the ratio of the minor to…

astro-ph.GA2019

The Rest-frame -band Luminosity Function of Red Sequence Galaxies in Clusters at

Jeffrey C. C. Chan, Gillian Wilson, Gregory Rudnick +22

We present results on the rest-frame -band luminosity functions (LF) of red sequence galaxies in seven clusters at 1.0 < z < 1.3 from the Gemini Observations of Galaxies in Rich…