activity
20202025
most citedEuclid. I. Overview of the Euclid mission

550 citations · 1.3k across the 35 of their papers we have counts for

collaborators

35 papers

astro-ph.GA2025

THRILS -- The High-(Redshift+Ionization) Line Search: Program Description & Redshift Catalog

Taylor A. Hutchison, Rebecca L. Larson, Pablo Arrabal Haro +46

To date, many spectroscopic confirmations of z>7 galaxies have been obtained using JWST/NIRSpec prism observations, with most of their physical properties inferred from these obser…

astro-ph.GA2025★ 1 cited

First Light And Reionisation Epoch Simulations (FLARES) XX: Comparing semi-analytic models at high-redshift

Louise T. C. Seeyave, Carlton M. Baugh, Angel Chandro-Gomez +13

We explore how the choice of galaxy formation model affects the predicted properties of high-redshift galaxies. Using the FLARES zoom resimulation strategy, we compare the EAGLE hy…

astro-ph.GA2025★ 2 cited

The Relationship at : Big Black Holes in Little Red Dots

Brenda L. Jones, Dale D. Kocevski, Fabio Pacucci +25

JWST has identified a large population of faint, broad-line active galactic nuclei (AGN) in the early universe that are powered by black holes (BHs) that often appear overmassive r…

astro-ph.GA2025

Modeling the JWST MIRI Counts, Insights Into the Source Properties and Role of Dust-Obscured AGN

Edgar P. Vidal, Anna Sajina, Amber R. Banks +8

Understanding the co-evolution of galaxies and active galactic nuclei (AGN) requires accurate modeling of dust-obscured systems. Recent surveys using the Mid Infrared Instrument (M…

astro-ph.GA2025★ 5 cited

Mysteries of Capotauro: investigating the puzzling nature of an extreme F356W-dropout

Giovanni Gandolfi, Giulia Rodighiero, Marco Castellano +38

JWST has uncovered a diverse population of extreme near-infrared dropouts, including ultra high-redshift () galaxy candidates, dust-obscured galaxies challenging dust product…

astro-ph.GA2025

Sieging HELM's deep: PRIMA unveils the far-infrared properties of highly extincted low-mass galaxies

Laura Bisigello, Carlotta Gruppioni, Giulia Rodighiero +5

Although the majority of star-forming galaxies show a tight correlation between stellar mass and dust extinction, recent James Webb Space Telescope observations have revealed a pec…

astro-ph.GA2025

FLORAH-Tree: Emulating Dark Matter Halo Merger Trees with Graph Generative Models

Tri Nguyen, Chirag Modi, Siddharth Mishra-Sharma +2

Merger trees track the hierarchical assembly of dark matter halos across cosmic time and serve as essential inputs for semi-analytic models of galaxy formation. However, convention…

astro-ph.GA2025★ 1 cited

Very bright, very blue, and very red: JWST CAPERS analysis of highly luminous galaxies with extreme UV slopes at

Callum T. Donnan, Mark Dickinson, Anthony J. Taylor +37

We present JWST/NIRSpec PRISM observations of three luminous () galaxies at observed with the CAPERS Cycle 3 program. These galaxies exhibit extreme UV sl…

astro-ph.GA2025★ 2 cited

Testing Photometric Techniques for Measuring the Rest-Frame UV Spectral Slope Against JWST PRISM Spectroscopy

Alexa M. Morales, Steven L. Finkelstein, Pablo Arrabal Haro +21

We present a sample of 53 galaxy spectra at z_spec ~ 5-12 from the JWST CEERS and RUBIES surveys, combining NIRSpec PRISM spectroscopy with NIRCam photometry. We aim to use these d…

astro-ph.GA2025★ 3 cited

The BoRG- Survey: Analogs at to the UV-luminous Galaxy Population at

Sofía Rojas-Ruiz, Guido Roberts-Borsani, Takahiro Morishita +7

The population of bright galaxies at discovered by JWST, including the so-called "blue monsters", has been difficult to reconcile with standard galaxy evolution models…

astro-ph.GA2025★ 1 cited

CAPERS-LRD-z9: A Gas Enshrouded Little Red Dot Hosting a Broad-line AGN at z=9.288

Anthony J. Taylor, Vasily Kokorev, Dale D. Kocevski +49

We present CAPERS-LRD-z9, a little red dot (LRD) which we confirm to be a broad-line AGN (BLAGN). First identified as a high-redshift LRD candidate from PRIMER NIRCam pho…

astro-ph.GA2025

AGNBoost: A Machine Learning Approach to AGN Identification with JWST/NIRCam+MIRI Colors and Photometry

Kurt Hamblin, Allison Kirkpatrick, Bren E. Backhaus +18

We present AGNBoost, a machine learning framework utilizing XGBoostLSS to identify AGN and estimate redshifts from JWST NIRCam and MIRI photometry. AGNBoost constructs 66 input fea…

astro-ph.GA2025★ 6 cited

CEERS: Forging the First Dust Grains in the Universe? A Population of Galaxies with spectroscopically-derived Extremely Low Dust Attenuation (GELDA) at 4.0<z<11.4

Denis Burgarella, Véronique Buat, Patrice Theulé +35

We investigate the coevolution of metals and dust in 173 galaxies at using NIRSpec spectroscopy. Focusing on galaxies with extremely low dust attenuation, we explore t…

astro-ph.GA2025

Galaxies in the Epoch of Reionization Are All Bark and No Bite -- Plenty of Ionizing Photons, Low Escape Fractions

Casey Papovich, Justin W. Cole, Weida Hu +27

Early results from JWST suggest that epoch-of-reionization (EoR) galaxies produce copious ionizing photons, which, if they escape efficiently, could cause reionization to occur too…

astro-ph.GA2025

CAPERS Observations of Two UV-Bright Galaxies at z>10. More Evidence for Bursting Star Formation in the Early Universe

Vasily Kokorev, Óscar A. Chávez Ortiz, Anthony J. Taylor +38

We present the first results from the CAPERS survey, utilizing PRISM observations with the JWST/NIRSpec MSA in the PRIMER-UDS field. With just 14 % of the total planned data volume…

astro-ph.GA2025★ 1 cited

Recent star formation in 0.5<z<1.5 quiescent galaxies

Michael J. Rutkowski, Bonnabelle Zabelle, Tyler Hagen +22

Observations of massive, quiescent galaxies reveal a relatively uniform evolution: following prolific star formation in the early universe, these galaxies quench and transition to…

astro-ph.GA2025★ 2 cited

Ultra High-Redshift or Closer-by, Dust-Obscured Galaxies? Deciphering the Nature of Faint, Previously Missed F200W-Dropouts in CEERS

G. Gandolfi, G. Rodighiero, L. Bisigello +42

The James Webb Space Telescope (JWST) is revolutionizing our understanding of the Universe by unveiling faint, near-infrared dropouts previously beyond our reach, ranging from exce…

astro-ph.GA2024★ 9 cited

The ionizing photon production efficiency of star-forming galaxies at

M. Llerena, L. Pentericci, L. Napolitano +27

Investigating the ionizing emission of star-forming galaxies is critical to understanding their contribution to reionization and their impact on the surrounding environment. The nu…

astro-ph.GA2024★ 3 cited

Exploring the Nature of Little Red Dots: Constraints on AGN and Stellar Contributions from PRIMER MIRI Imaging

Gene C. K. Leung, Steven L. Finkelstein, Pablo G. Pérez-González +20

JWST has revealed a large population of compact, red galaxies at known as Little Red Dots (LRDs). We analyze the spectral energy distributions (SEDs) of 95 LRDs from the JWST…

astro-ph.GA2024★ 2 cited

Unveiling the Dark Side of UV/Optical Bright Galaxies: Optically Thick Dust Absorption

Yingjie Cheng, Mauro Giavalisco, Bren E. Backhaus +21

Over the past decades, a population of galaxies invisible in optical/near-infrared, but bright at longer wavelengths, have been identified through color selections. These so-called…

astro-ph.GA2024★ 1 cited

ALMA detection of [OIII] 88um at z=12.33: Exploring the Nature and Evolution of GHZ2 as a Massive Compact Stellar System

Jorge A. Zavala, Tom Bakx, Ikki Mitsuhashi +21

We present ALMA observations on the high-redshift galaxy GHZ2 and report a successful detection of the rest-frame 88um atomic transition from doubly-ionized Oxygen at z=12.3327+/-0…

astro-ph.GA2024★ 2 cited

Compact dust-obscured star-formation and the origin of the galaxy bimodality

Maxime Tarrasse, Carlos Gómez-Guijarro, David Elbaz +19

During the last decade, studies about highly attenuated and massive red star-forming galaxies (RedSFGs) at have suggested that they could constitute a crucial population…

astro-ph.GA2024

CEERS: Forging the First Dust -- Transition from Stellar to ISM Grain Growth in the Early Universe

Denis Burgarella, Véronique Buat, Patrice Theulé +36

We investigate the coevolution of metals and dust for 173 galaxies at 4.0<z<11.4 observed with JWST/NIRSpec. We use the code CIGALE that integrates photometric and spectroscopic da…

astro-ph.GA2024★ 10 cited

Broad-Line AGN at 3.5<z<6: The Black Hole Mass Function and a Connection with Little Red Dots

Anthony J. Taylor, Steven L. Finkelstein, Dale D. Kocevski +48

We present a sample of 50 H-alpha detected broad-line active galactic nuclei (BLAGN) at redshifts 3.5<z<6.8 using data from the CEERS and RUBIES surveys. We select these sources di…