activity
20242026
most citedJWST FRESCO: a comprehensive census of H+[OIII] emitters at 6.8<z<9.0 in the GOODS fields

46 citations · 182 across the 25 of their papers we have counts for

collaborators

33 papers

astro-ph.GA2026

COSMOS-3D: Spectro-photometric Confirmation of Shabgard, a Cool, Metal-poor Brown Dwarf in the COSMOS Field

Bahareh S. Salmasi, Priyanka Jalan, Tomotsugu Goto +19

Brown dwarfs are unique laboratories for studying cool atmospheres, the low-mass end of star formation, and the transition between stars and giant planets. Identifying and 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

COSMOS-3D: Diverse Environments and Hot-dust Signatures among Dusty Star-forming Galaxies at = 4.9-7.2

Siwei Zou, Manuel Aravena, Shaoze Geng +20

Dusty star-forming galaxies (DSFGs) are expected to trace early massive-halo assembly, but the connection between dust-obscured star formation, morphology, hot dust, and environmen…

astro-ph.GA2026

Precise C-N-O Abundances of Individual Galaxies in the First Billion Years from Ultra-Deep, Rest-UV-to-Optical JWST Spectroscopy

Raunaq Singh Rai, Guido Roberts-Borsani, Ryan Sanders +8

We present ultra-deep JWST/NIRSpec spectroscopy of nine star-forming galaxies at in the GOODS-N field, drawn from the Origins of Metal Enrichment in Galaxie…

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

Reionization driven by the few: the ionizing budget of galaxies at z=5-10 from JWST/NIRSpec

Emma Giovinazzo, Pascal A. Oesch, Anne Verhamme +5

The sources responsible for the Epoch of Reionization (EoR), the last major phase transition of the Universe, remain highly elusive. While JWST has begun to illuminate the properti…

astro-ph.GA2026

Too many protoclusters? Reconciling the overabundance of cluster progenitors within the first billion years of the Universe

Callum Witten, Jake S. Bennett, Pascal A. Oesch +8

JWST has revealed an overabundance of apparent (`Coma'-like) cluster progenitors at that is two (300) times in excess of, and in () tension with, the number…

astro-ph.GA2026

Connecting CGM enrichment with Lyman alpha emitters at 2.9 < z < 6.7

A. M. Sebastian, E. Ryan-Weber, R. L. Davies +2

We present the results of a blind search for Lyman emitters (LAEs) in three deep archival quasar fields from VLT/MUSE using state-of-the-art detection algorithms. We e…

astro-ph.GA2026★ 1 cited

Life After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies

Romain A. Meyer, Pascal A. Oesch, Callum Witten +7

Supermassive black holes (SMBH, ) powering luminous quasars already exist one billion years after the Big Bang, yet their connection to their star-formi…

astro-ph.GA2026★ 1 cited

The Engine and its Flows: Little Red Dot spectra are shaped by the column densities of their gas envelopes

Jorryt Matthee, Alberto Torralba, Gabriele Pezzulli +23

JWST data have enabled the abundant identification of compact broad Balmer line sources nicknamed the Little Red Dots. While they share broad lines with active galactic nuclei, the…

astro-ph.GA2026

Direct pathway to the Early Supermassive Black Holes: A Red Super-Eddington Quasar in a Massive Starburst Host at

Qinyue Fei, Seiji Fujimoto, Gabriel Brammer +24

We present a panchromatic optical-mm characterization of GNz7q, a recently identified X-ray weak, rapidly growing red quasar embedded within a dusty starburst galaxy at ,…

astro-ph.GA2026

Characterising Ly damping wings at the onset of reionisation: Evidence for highly efficient star formation driven by dense, neutral gas in UV-bright galaxies at

Clara L. Pollock, Kasper E. Heintz, Joris Witstok +23

One of the major conundrums in contemporary extragalactic astrophysics is the apparent overabundance of a remarkable population of UV-bright galaxies at redshifts . We…

astro-ph.GA2026

From Grism to IFU: Revising the Redshift and Nature of the Massive Dusty Galaxy S1 with JWST and ALMA

Mengyuan Xiao, Longji Bing, Gabriel Brammer +21

We report a revised spectroscopic redshift for the dusty massive galaxy S1, previously inferred with an exceptionally high baryon-to-star conversion efficiency from NIRCam slitless…

astro-ph.CO2026

A JWST Paschen-alpha Calibration of the Radio Luminosity-Star Formation Rate Relation at z~1.3

Nick Seymour, Catherine Hale, Imogen Whittam +17

As radio emission from normal galaxies is a dust-free tracer of star formation, tracing the star formation history of the Universe is a key goal of the SKA and ngVLA. In order to i…

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

Lyman- Visibility During the Epoch of Reionization: Combining JWST FRESCO Grism Data with Keck Archival Spectroscopy

Ecaterina Leonova, Rohan P. Naidu, Pascal A. Oesch +5

The visibility of Lyman- emission at provides crucial insights into the reionization process and the role of galaxies in shaping the ionized intergalactic medium. Using JW…

astro-ph.GA2025

A first systematic study of [OIII] 88m at : two luminous oxygen lines and a powerful ionized outflow in the first 600 million years

Hiddo S. B. Algera, John R. Weaver, Tom J. L. C. Bakx +35

We present deep ALMA Band 7 observations of the [OIII] m line and underlying dust continuum emission in four UV-bright, gravitationally lensed (magnification ), JW…

astro-ph.GA2025★ 1 cited

Not all protoclusters host evolved galaxies: Evidence for reduced environmental effects in a lower halo mass protocluster at

Callum Witten, Pascal A. Oesch, Jake S. Bennett +5

The progenitors of present-day galaxy clusters offer crucial insight into how galaxies and large-scale structure co-evolve in the early Universe. We present JWST/NIRCam grism spect…

astro-ph.GA2025

JWST COSMOS-3D: Spectroscopic Census and Luminosity Function of [O III] Emitters at 6.75<z<9.05 in COSMOS

Romain A. Meyer, Feige Wang, Koki Kakiichi +38

We present a catalogue of spectroscopically selected [OIII]+Hb emitters at 6.75<z<9.05 and the resulting [OIII] 5008 ÅLuminosity Function (LF) in the COSMOS field. We leverage the…

astro-ph.GA2025★ 5 cited

A GLIMPSE into the very faint-end of the H+[OIII]4960,5008 luminosity function at z=7-9 behind Abell S1063

Damien Korber, Iryna Chemerynska, Lukas J. Furtak +12

We use the ultra-deep GLIMPSE JWST/NIRCam survey to constrain the faint-end of the H+[OIII]4960,5008 luminosity function (LF) down to erg/s at z=7-9 behind the len…

astro-ph.GA2025★ 1 cited

Lyman-alpha emission at the end of reionization: line strengths and profiles from MMT and JWST observations at z~5-6

Gonzalo Prieto-Lyon, Charlotte A. Mason, Victoria Strait +8

With JWST, it is now possible to use Lyman-Alpha (Ly) emission from galaxies beyond z>8 to trace neutral hydrogen in the intergalactic medium (IGM) as the Universe became reioni…

astro-ph.GA2025

Diversity and Evolution of Dust Attenuation Curves from Redshift z ~ 1 to 9

Irene Shivaei, Rohan P. Naidu, Francisco Rodriguez Montero +23

The UV-optical dust attenuation curve is key to interpreting the intrinsic properties of galaxies and provides insights into the nature of dust grains and their geometry relative t…

astro-ph.GA2025

JWST Spectroscopic Insights Into the Diversity of Galaxies in the First 500 Myr: Short-Lived Snapshots Along a Common Evolutionary Pathway

Guido Roberts-Borsani, Pascal Oesch, Richard Ellis +21

We investigate the nature and spectroscopic diversity of early galaxies from a sample of 41 sources at z>10 with JWST/NIRSpec prism observations. We compare the properties of stron…

astro-ph.GA2025

JWST+ALMA reveal the build up of stellar mass in the cores of dusty star-forming galaxies at Cosmic Noon

Sarah Bodansky, Katherine E. Whitaker, Ayesha Abdullah +14

Dusty star-forming galaxies have long been suspected to serve as the missing evolutionary bridge between the star-forming and quiescent phases of massive galaxy evolution. With the…