activity
20172026
most citedCOSMOS-Web: stellar mass assembly in relation to dark matter halos across of cosmic history

61 citations · 524 across the 59 of their papers we have counts for

collaborators

63 papers

astro-ph.GA2026

X-ray Characterization of Galaxy Groups and Hickson Groups in COSMOS-Web to z~3.8 I. X-ray Luminosity Function Evolution

Ghassem Gozaliasl, Günther Hasinger, Gavin Leroy +35

Galaxy groups are the dominant halo environment in the Universe and a sensitive laboratory for feedback and gas-cycling physics, yet a uniform, intermediate-redshift X-ray characte…

astro-ph.GA2026

CHAMPS: Data Reduction and Detection of ~3300 Dusty Galaxies at 1.2 mm

Felix Martinez, Jeyhan S. Karaltepe, Andreas L. Faisst +52

We present the reduction and source catalogs for the \textit{COSMOS High- ALMA-MIRI Population Survey} (CHAMPS), the largest Atacama Large (Sub)Millimeter Array (ALMA) blank fie…

astro-ph.GA2026

CHAMPS: The COSMOS High-Redshift ALMA-MIRI Population Survey - A New Census of the Dusty Early Universe

Andreas L. Faisst, Felix Martinez, Jeyhan S. Kartaltepe +86

Understanding how dust forms and evolves over cosmic time is a key open problem in extragalactic astrophysics. Galaxies in the early Universe were once thought to be mostly dust-po…

astro-ph.GA2026

The Roman eXtreme Deep Field (RXDF)

Haojing Yan, Anton M. Koekemoer, Yue Shen +127

The Roman eXtreme Deep Field (RXDF) program is one of the five General Astrophysics Survey (GAS) programs approved for observing time with the Nancy Grace Roman Space Telescope in…

astro-ph.CO2026

The Peculiar Growth of Structure: Validating Measurements from TITAN Type Ia Supernovae and the Uchuu Simulations

Mitchell Dixon, David O. Jones, Nicole E. Drakos +11

The growth rate of cosmic structure, parameterized by , is a fundamental test of CDM and general relativity. Using Type Ia supernova (SN Ia) peculiar velocities in conjunc…

astro-ph.GA2026

COSMOS-Web: A Multi-wavelength Morphological Catalog of ~780,000 Galaxies

Lilan Yang, Jeyhan S. Kartaltepe, Nicole E. Drakos +20

We present multi-wavelength morphological measurements for all galaxies in the COSMOS-Web survey, i.e., 780,000 galaxies contained in the COSMOS2025 catalog. We perform both…

astro-ph.GA2026

Dust in the Average Galaxy: Attenuation, Emission, and Opacity from

Caitlin M. Casey, Hollis B. Akins, Andrew J. Battisti +43

We present constraints on the dust emission and attenuation properties of galaxies across 0<z<7 using JWST imaging from the COSMOS-Web Survey combined with deep FIR/(sub)millimeter…

astro-ph.HE2026

Discovery and Analysis of a Type II Supernova Candidate at z = 3.19 from JWST's COSMOS-Web Survey

Valeria Aparicio, David O. Jones, Willem B. Hoogendam +21

The launch of the James Webb Space Telescope (JWST) has enabled the discovery of a small but increasing sample of high-redshift core-collapse supernovae (CC SNe), which provide new…

astro-ph.IM2026

Photometric Super-Resolution for Improving Galaxy Morphological Measurements using Conditional Generative Adversarial Networks

Samuel Kahn, Ryan Hausen, Hubert Bretonnière +2

The measurement of galaxy morphological parameters from astronomical images features in a wide range of modern analyses, including galaxy evolution and cosmological weak lensing st…

astro-ph.GA2026

BlastBerries: How Supernovae Affect Lyman Continuum Escape Fractions and Ionizing Photon Production in Local Analogs of High-Redshift Galaxies

Miranda Y. Kong, David O. Jones, Nicole E. Drakos +16

While compact, star-forming galaxies are believed to play a key role in cosmic reionization, the physical mechanisms enabling the escape of ionizing photons through the galactic in…

astro-ph.CO2026★ 4 cited

An ultra-high-resolution map of (dark) matter

Diana Scognamiglio, Gavin Leroy, David Harvey +38

Ordinary matter-including particles such as protons and neutrons-accounts for only about one sixth of all matter in the Universe. The rest is dark matter, which does not emit or ab…

astro-ph.HE2026

Expanding the High-z Supernova Frontier: "Wide-Area" JWST Discoveries from the First Two Years of COSMOS-Web

Ori D. Fox, Armin Rest, Justin D. R. Pierel +48

Transient astronomy in the early Universe (z > 2) remains largely unexplored, lying beyond the rest-frame optical spectroscopic reach of most current observatories. Yet this regime…

astro-ph.GA2025

ALMA and JWST Identification of Faint Dusty Star-Forming Galaxies up to z~8

Jorge A. Zavala, Andreas L. Faisst, Manuel Aravena +44

We exploit a new sample of around 400 bright dusty galaxies from the ALMA CHAMPS Large Program, together with the rich JWST multi-band data products in the COSMOS field, to explore…

astro-ph.GA2025

Sparse by the River: Diverse Environments of z > 3 Massive Quiescent Galaxies

Nguyen Binh, Arianna S. Long, Jacqueline Antwi-Danso +29

High-redshift (), massive quiescent galaxies (QGs) offer a significant window into early Universe galaxy formation. Previous works have predicted miscellaneous properties fo…

astro-ph.GA2025

Large-Scale Structure in COSMOS-Web: Tracing Galaxy Evolution in the Cosmic Web up to with the Largest JWST Survey

Hossein Hatamnia, Bahram Mobasher, Sina Taamoli +31

We present a reconstruction of the large-scale structure using the James Webb Space Telescope's (JWST) COSMOS-Web program to trace environmentally driven galaxy evolution up to $z\…

astro-ph.GA2025★ 1 cited

Physical properties of galaxies and the UV Luminosity Function from to in COSMOS-Web

Maximilien Franco, Caitlin M. Casey, Hollis B. Akins +37

We present measurements of the rest-frame ultraviolet luminosity function (UVLF) in three redshift bins over -14 from the JWST COSMOS-Web survey. Our samples, selected us…

astro-ph.GA2025★ 1 cited

Energy-Space Analysis of Tidal Stripping in Stellar-Dark Matter Systems

Bradley Arias, Nicole E. Drakos, James E. Taylor

Observations reveal a striking diversity in dwarf galaxy structures, spanning a wide range of masses, inner density slopes, shapes, and sizes. Tidal stripping may play a crucial ro…

astro-ph.GA2025★ 5 cited

COSMOS Web: Morphological quenching and size-mass evolution of brightest group galaxies from z = 3.7

Ghassem Gozaliasl, Lilan Yang, Jeyhan Kartaltepe +47

We present a comprehensive study of the structural evolution of Brightest Group Galaxies (BGGs) from redshift to using the \textit{James Webb Space Telesc…

astro-ph.GA2025★ 1 cited

COSMOS-Web: MIRI Data Reduction and Number Counts at 7.7m using JWST

Santosh Harish, Jeyhan S. Kartaltepe, Daizhong Liu +19

The COSMOS-Web survey is the largest JWST Cycle 1 General Observer program covering a contiguous ~0.54 deg area with NIRCam imaging in four broad-band filters and a non-contigu…

astro-ph.IM2025★ 1 cited

COSMOS-Web: Comprehensive Data Reduction for Wide-Area JWST NIRCam Imaging

Maximilien Franco, Caitlin M. Casey, Anton M. Koekemoer +37

We present the data reduction methodology used for the COSMOS-Web survey JWST NIRCam data. Covering 0.54 deg^2 with four broadband filters (F115W, F150W, F277W, F444W) and a total…

astro-ph.GA2025★ 45 cited

COSMOS2025: The COSMOS-Web galaxy catalog of photometry, morphology, redshifts, and physical parameters from JWST, HST, and ground-based imaging

Marko Shuntov, Hollis B. Akins, Louise Paquereau +55

We present COSMOS2025, the COSMOS-Web catalog of photometry, morphology, photometric redshifts and physical parameters for more than 700,000 galaxies in the Cosmic Evolution Survey…

astro-ph.GA2025

COSMOS-Web: Estimating Physical Parameters of Galaxies Using Self-Organizing Maps

Fatemeh Abedini, Ghassem Gozaliasl, Akram Hasani Zonoozi +38

The COSMOS-Web survey, with its unparalleled combination of multiband data, notably, near-infrared imaging from JWST's NIRCam (F115W, F150W, F277W, and F444W), provides a transform…

astro-ph.GA2025

SCUBADive II: Searching for Dust-Obscured Galaxies via F150W-Dropouts in COSMOS-Web

Sinclaire M. Manning, Jed McKinney, Katherine E. Whitaker +24

The relative fraction of obscured galaxies at compared to lower redshifts remains highly uncertain as accurate bookkeeping of the dust-obscured component proves difficult. We…

astro-ph.GA2025★ 5 cited

COSMOS-Web: Unraveling the Evolution of Galaxy Size and Related Properties at

Lilan Yang, Jeyhan S. Kartaltepe, Maximilien Franco +26

We measure galaxy sizes from using COSMOS-Web, the largest-area JWST imaging survey to date, covering 0.54 deg. We analyze the rest-frame optical (~5000A) si…