activity
20172026
most citedAn Atlas of Color-selected Quiescent Galaxies at in Public Fields

204 citations · 1.3k across the 79 of their papers we have counts for

collaborators

84 papers

astro-ph.GA2026

An Attenuation Bump at z=9.3: Probing Dust Diversity at Cosmic Dawn

Giulia Rodighiero, Santiago Álvarez-Córdoba, Michele Catone +46

We report the identification of a UV attenuation bump in the Black Pearl, a galaxy at a spectroscopic redshift of 9.3335 observed with JWST/NIRSpec as part of the ZENITH and EMBER…

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

A tidal disruption event in a quasar at redshift 7.19

S. Fujimoto, Q. Fei, G. B. Brammer +41

We report a long-lived nuclear transient in GNz7q, a red quasar at powered by a black hole and hosted by a compact, dusty starburst galaxy. Th…

astro-ph.GA2026

Cosmic Noon Galaxies in the Hubble Ultra Deep Field with MIRI Wide-Field Slitless Spectroscopy

S. Kendrew, G. Östlin, L. Colina +29

We present results from a survey of the Hubble Ultra-Deep Field using the Wide-Field Slitless Spectroscopic (WFSS) capability of the Mid-Infrared Instrument (MIRI) on JWST, demonst…

astro-ph.GA2026

MIDIS: Strong H+[OIII] Line Emitters at

Thomas R. Greve, Steven Gillman, Pierluigi Rinaldi +24

We present a search for strong H+[O III] emitters at in the HUDF using ultra-deep JWST/MIRI F560W imaging from the MIDIS survey. Three galaxies are identified via p…

astro-ph.GA2026

MIDIS: The identification of deep MIRI-red sources as candidates for extreme Balmer-break and line emitting galaxies at high-z

I. Jermann, G. Brammer, S. Gillman +27

We investigate the detection and nature of 5.6~μm MIRI-red sources in the MIRI Deep Imaging Survey (MIDIS), covering 2.4~arcmin in the Hubble Ultra Deep Field. MIDIS is the dee…

astro-ph.GA2026

DeepDive: Tracing the early quenching pathways of massive quiescent galaxies at from their star-formation histories and chemical abundances

Massissilia L. Hamadouche, Katherine E. Whitaker, Francesco Valentino +21

We investigate the chemical abundances and star-formation histories (SFH) of ten massive () quiescent galaxies at usi…

astro-ph.GA2026

There and back again? Neutral outflows in z~3.5 quiescent galaxies

Pengpei Zhu, Kei Ito, Francesco Valentino +16

Neutral gas outflows play a crucial role in the baryon cycle of galaxies, their properties provide key insights into the transition from star formation to quiescence. In this work,…

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★ 2 cited

MIRI spectrophotometry of GN-z11: Detection and nature of an optical red continuum component

A. Crespo Gómez, L. Colina, P. G. Pérez-González +16

We present new MIRI F560W, F770W and F1000W imaging of GN-z11, extending the previous rest-frame coverage from 0.38 to 0.86m. We report significant detections (14) in the F56…

astro-ph.GA2025

ECOGAL I. Project design and the first catalogue

Minju M. Lee, Georgios Magdis, Gabriel Brammer +10

We present ECOology for Galaxies using ALMA archive and Legacy surveys (ECOGAL), an ALMA data mining project. Using the footprints of the James Webb Space Telescope (JWST) and the…

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★ 1 cited

MIDIS: Unveiling the Star Formation History in massive galaxies at with spectro-photometric analysis

M. Annunziatella, P. G. Pérez-González, J. Álvarez-Márquez +23

We investigate the star formation histories (SFHs) of a sample of massive galaxies () in the redshift range . We analyze spectro-photo…

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★ 4 cited

Spatially resolved H emission in B14-65666: compact starbursts, ionizing efficiency and gas kinematics in an advanced merger at the Epoch of Reionization

C. Prieto-Jiménez, J. Álvarez-Márquez, L. Colina +28

We present MIRI/JWST medium resolution spectroscopy (MRS) and imaging (MIRIM) of B14-65666, a Lyman-break and interacting galaxy at redshift =7.15. We detect the H line emiss…

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

DeepDive: A deep dive into the physics of the first massive quiescent galaxies in the Universe

K. Ito, F. Valentino, G. Brammer +26

We present the DeepDive program, in which we obtained deep JWST/NIRSpec G235M/F170LP spectra for ten primary massive () quiescent galaxies at $z\…

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…

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…

astro-ph.GA2025

Deciphering the Nature of Virgil: An Obscured AGN Lurking Within an Apparently Normal Lyman-α Emitter During Cosmic Reionization

Pierluigi Rinaldi, Pablo G. Pérez-González, George H. Rieke +46

We present a comprehensive analysis of the MIRI Extremely Red Object Virgil, a Lyman- emitter at with the photometric properties of a Little Red D…

astro-ph.IM2025

On Soft Clustering For Correlation Estimators

Edward Berman, Sneh Pandya, Jacqueline McCleary +14

Properly estimating correlations between objects at different spatial scales necessitates distance calculations. For this reason, most widely adopted packages fo…

astro-ph.GA2025

Timescales for the Effects of Interactions on Galaxy Properties and SMBH Growth

D. O'Ryan, B. D. Simmons, A. L. Faisst +15

Galaxy interaction and merging have clear effects on the systems involved. We find an increase in the star formation rate (SFR), potential ignition of active galactic nuclei (AGN)…

astro-ph.GA2025★ 17 cited

A merging pair of massive quiescent galaxies at in the Cosmic Vine

K. Ito, F. Valentino, M. Farcy +26

We report the spectroscopic confirmation of a merging pair of massive quiescent galaxies at . Using JWST observations, we confirm that the two galaxies lie at a projected s…