activity
20232026
most citedA luminous and young galaxy at z=12.33 revealed by a JWST/MIRI detection of Hα and [OIII]

66 citations · 317 across the 62 of their papers we have counts for

collaborators
Showing 2025Show all

35 papers · 1 filter

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

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

An almost NIRCam-dark dusty star-forming galaxy at z=6.63

Longji Bing, Seb Oliver, Mengyuan Xiao +28

We present AC-2168, an almost NIRCam-dark, millimetre-bright galaxy in the COSMOS field. The source was identified blindly in ALMA Band-4 continuum data and remains undetected in t…

astro-ph.GA2025★ 3 cited

The stellar mass function of quiescent and star-forming galaxies and its dependence on morphology in COSMOS-Web

Marko Shuntov, Olivier Ilbert, Claudia del P. Lagos +33

We study the stellar mass function (SMF) of quiescent and star-forming galaxies and its dependence on morphology in 10 redshift bins at using the COSMOS2025 catalog bui…

astro-ph.GA2025

Probing the dawn of galaxies: star formation and feedback in the JWST era through the GAEA model

Sebastiano Cantarella, Gabriella De Lucia, Fabio Fontanot +4

The James Webb Space Telecope (JWST) opened a new window for the study of the highest redshift () Universe. This work presents a theoretical investigation of the very-high red…

astro-ph.GA2025

The Stellar Morphology & Size of X-ray-selected Active Galactic Nuclei Host Galaxies Revealed by JWST

Bovornpratch Vijarnwannaluk, Zhen-Kai Gao, Wei-Hao Wang +19

We investigate the stellar shape and size-mass relationship of X-ray selected Active Galactic Nuclei (AGN) host galaxies using the high-angular resolution and deep sensitivity in t…

astro-ph.GA2025

Extended Components of Little Red Dots in the Rest-Frame Optical

Yiyang Zhang, Xuheng Ding, Lilan Yang +26

Recent JWST observations have revealed a population of red, compact, high-redshift objects called Little Red Dots (LRDs), whose host components have remained largely unconstrained,…

astro-ph.GA2025★ 3 cited

Formation of Substructure in Luminous Submillimeter Galaxies (FOSSILS): Evidence of Multiple Pathways to Trigger Starbursts in Luminous Submillimeter Galaxies

Ryota Ikeda, Daisuke Iono, Ken-ichi Tadaki +19

We present an analysis of rest-frame optical and far-infrared continuum emission in three luminous submillimeter galaxies (SMGs) at . The SMGs are spatial…

astro-ph.GA2025

Discovery of Multiply Ionized Iron Emission Powered by an Active Galactic Nucleus in a z~7 Little Red Dot

Erini Lambrides, Rebecca Larson, Taylor Hutchison +50

Some of the most puzzling discoveries of NASA's JWST in the early Universe surround the surprising abundance of compact red sources, which show peculiar continuum shapes and broad…

astro-ph.GA2025★ 6 cited

COSMOS-Web galaxy groups: Evolution of red sequence and quiescent galaxy fraction

Greta Toni, Matteo Maturi, Gianluca Castignani +33

We investigate the redshift and group richness dependence of the quiescent fraction and red-sequence (RS) parameters in COSMOS galaxy groups from z=0 to z=3.7. We analyzed the deep…

astro-ph.GA2025

Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution (PASSAGE): Survey Overview

Matthew A. Malkan, Vihang Mehta, Ayan Acharyya +49

During the second half of Cycle 1 of the James Webb Space Telescope (JWST), we conducted the Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution (PASSAGE) pro…

astro-ph.GA2025★ 1 cited

JWST+ALMA reveal the ISM kinematics and stellar structure of MAMBO-9, a merging pair of DSFGs in an overdense environment at

Hollis B. Akins, Caitlin M. Casey, Jaclyn B. Champagne +14

We present high-resolution ALMA [CII] 158 micron observations and JWST/NIRCam+MIRI imaging of MAMBO-9, a pair of optically-dark, dusty star-forming galaxies at . MAMBO-9 is…

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

Discovery of a Little Red Dot candidate at in COSMOS-Web based on MIRI-NIRCam selection

Takumi S. Tanaka, Hollis B. Akins, Yuichi Harikane +64

JWST has revealed a new high-redshift population called little red dots (LRDs). Since LRDs may be in the early phase of black hole growth, identifying them in the early universe is…

astro-ph.GA2025★ 6 cited

Investigating the Growth of Little Red Dot Descendants at z<4 with the JWST

Jean-Baptiste Billand, David Elbaz, Fabrizio Gentile +16

One of JWST's most remarkable discoveries is a population of compact red galaxies known as Little Red Dots (LRDs). Their existence raises many questions about their nature, origin,…

astro-ph.GA2025★ 2 cited

Clumpiness of galaxies revealed in the near-infrared with COSMOS-Web

Wilfried Mercier, Boris Sindhu Kalita, Marko Shuntov +30

Clumps in the rest-frame UV emission of galaxies have been observed for decades. Since the launch of the James Webb Space Telescope (JWST), a large population is detected in the re…

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

An upper limit of 10 M in dust from ALMA observations in 60 Little Red Dots

Caitlin M. Casey, Hollis B. Akins, Steven L. Finkelstein +9

By virtue of their red color, the dust in little red dots (LRDs) has been thought to be of appreciable influence, whether that dust is distributed in a torus around a compact activ…

astro-ph.GA2025★ 2 cited

A PAH deficit in the starburst core of a distant spiral galaxy

Zhaoxuan Liu, John D. Silverman, Emanuele Daddi +32

We present high-resolution and spatially-matched observations with JWST and ALMA of a starburst galaxy (PACS-830) at . The NIRCam observations mainly trace the stellar ligh…