activity
20162026
most citedThe Science Performance of JWST as Characterized in Commissioning

440 citations · 6.5k across the 128 of their papers we have counts for

collaborators

132 papers

astro-ph.GA2026

Chemical abundance patterns at z=1-7: Carbon, Nitrogen, Neon, Sulphur, and Argon abundances from JWST spectroscopy

E. Cataldi, F. Belfiore, M. Curti +22

The relative abundances of chemical elements in the interstellar medium (ISM) trace the history of star formation and chemical enrichment in galaxies. We investigate the abundance…

astro-ph.GA2026

GA-NIFS view of LAP1: Assembly of Pop~III stellar clusters during EoR

J. Scholtz, R. Maiolino, S. Carniani +28

Lensed and Pristine 1 (LAP1) is one of the most promising candidates for the detection of so-called Pop~III stars at . In this work, we present new high-spectral-resoluti…

astro-ph.GA2026

BlackTHUNDER Reveals a Massive Filament around a Compact AGN at

Giulia Tozzi, Hannah Übler, Eleonora Parlanti +27

Despite the growing number of compact active galactic nuclei (AGN) at discovered by JWST, their formation and evolution remain poorly understood. This paper investigates the…

astro-ph.GA2026

Little Red and Blue Dots: AGN-excited narrow lines, Lyman- emission, and resemblance to standard quasars

Sophia Geris, Roberto Maiolino, Xihan Ji +35

We present an analysis of a sample of 36 Little Red and Blue Dots (LRDs and LBDs) at , identified by JWST in the GOODS fields. While both categories are selected to ha…

astro-ph.GA2026★ 2 cited

JADES: the mass-metallicity relation at . New calibrations, extremely metal-poor galaxies, and chemical diversity

Yuki Isobe, Mirko Curti, Roberto Maiolino +28

We present gas-phase metallicities of star-forming galaxies at -10 with deep JWST/NIRSpec spectra from the JADES full data release, Dark Horse, and OASIS programmes. We stack…

astro-ph.GA2026

Intense and extended CIII] emission suggests a strong outflow in JADES-GS-z14-0

Stefano Carniani, Peter Jakobsen, Giacomo Venturi +31

JWST has revealed an overabundance of very bright, blue galaxies at z>10, raising fundamental questions about how star formation and feedback operate at Cosmic Dawn. We present new…

astro-ph.GA2026

Metal Mayhem at z~7-10: Diversity and Evolution of Gas-Phase Metallicity Gradients

Maria Koller, Roberto Maiolino, Hannah Übler +16

We present a JWST/NIRSpec Integral Field Unit (IFU) study of metallicity gradients in seven low-metallicity systems at . The main sample spans stellar masses of $\rm \lo…

astro-ph.GA2026★ 2 cited

The search for Population III: Confirmation of a HeII emitter with no metal lines at z=10.6

Roberto Maiolino, Hannah Übler, Michele Perna +49

We report the confirmation of a HeII1640 emitter located at 3 pkpc from the galaxy GN-z11, at z=10.6. The detection, based on JWST NIRSpec-IFU high-resolution spectroscopy, conf…

astro-ph.GA2026

Out of oxygen: Extremely metal-poor galaxy candidates identified at with deep JADES medium-band imaging

James A. A. Trussler, Daniel J. Eisenstein, Andrew J. Bunker +27

JWST is beginning to uncover a population of extremely metal-poor galaxies (EMPGs, ) at , mostly through serendipitous NIRSpec discoveries and blin…

astro-ph.GA2026★ 2 cited

GA-NIFS and JADES: Confirmation of pristine gas near GN-z11

Hannah Übler, Roberto Maiolino, Pablo G. Pérez-González +32

According to the leading cosmological model, a first generation of stars called Population III (PopIII), condensed almost entirely out of hydrogen and helium, must have initiated t…

astro-ph.GA2026

GA-NIFS: Dissecting The Alchemised: JWST reveals turbulent metal-poor gas fuelling a co-spatial starburst in a complex system at

Robert G. Pascalau, Francesco D'Eugenio, Roberto Maiolino +25

Recent observations revealed that distant galaxies have bursty star formation histories, regulated by stellar or active galactic nuclei (AGN) feedback and gas inflows. According to…

astro-ph.GA2026★ 1 cited

Little Red Dots: One Photometric Tag Concealing Diverse Spectroscopic Flavors of Massive Star Formation and Black Hole Activity

Pablo G. Pérez-González, Guillermo Barro, Stefano Carniani +61

We compile JWST/NIRSpec prism and MIRI data for 249 Little Red Dots (LRDs) at 2.3<z<9.3, forming a representative spectroscopic subset of NIRCam-selected LRDs. We derive a median s…

astro-ph.GA2026★ 2 cited

One cloud is not enough: extreme conditions bias chemical abundances in high-redshift galaxies

Bianca Moreschini, Francesco Belfiore, Alessandro Marconi +18

Since its launch, JWST has opened an unprecedented opportunity to characterise the ionised ISM of high-redshift galaxies using well-established rest-frame UV/optical diagnostics fr…

astro-ph.GA2025

Ionizing Photon Production Efficiencies and Chemical Abundances at Cosmic Dawn Revealed by Ultra-Deep Rest-Frame Optical Spectroscopy of JADES-GS-z14-0

Jakob M. Helton, Jane E. Morrison, Kevin N. Hainline +40

JWST has discovered an early period of galaxy formation that was more vigorous than expected, which has challenged our understanding of the early Universe. In this work, we present…

astro-ph.GA2025★ 1 cited

Tracing nitrogen enrichment across cosmic time with JWST

E. Cataldi, F. Belfiore, M. Curti +22

We present a comprehensive analysis of the nitrogen-to-oxygen (N/O) abundance ratio in a sample of ~ 660 star-forming galaxies at redshift z ~ 1-6, with a median redshift of z = 3.…

astro-ph.GA2025★ 2 cited

An Investigation into the Low-Mass Fundamental Metallicity Relation in the Local and High-z Universe

Isaac H. Laseter, Michael V. Maseda, Andrew J. Bunker +3

Recent JWST/NIRSpec observations have revealed high- star-forming galaxies depart from the Fundamental Metallicity Relation (FMR), yet the FMR has not been well-characte…

astro-ph.GA2025★ 3 cited

Cloudy with a chance of starshine: Possible photometric signatures of nebular-dominated emission in JADES galaxies

James A. A. Trussler, Alex J. Cameron, Daniel J. Eisenstein +21

The discovery of high-redshift galaxies exhibiting a steep spectral UV downturn potentially indicative of two-photon continuum emission marks a turning point in our search for sign…

astro-ph.GA2025★ 3 cited

JADES Dark Horse: demonstrating high-multiplex observations with JWST/NIRSpec dense-shutter spectroscopy in the JADES Origins Field

Francesco D'Eugenio, Erica J. Nelson, Daniel J. Eisenstein +40

We present JWST/NIRSpec dense-shutter spectroscopy (DSS). This novel observing strategy with the NIRSpec/MSA deliberately permits a high number of controlled spectral overlaps to r…

astro-ph.GA2025★ 5 cited

JADES Data Release 4 -- Paper II: Data reduction, analysis and emission-line fluxes of the complete spectroscopic sample

J. Scholtz, S. Carniani, E. Parlanti +38

We present the fourth data release of JADES, the JWST Advanced Deep Extragalactic Survey, providing deep spectroscopic observations in the two GOODS fields. A companion paper prese…

astro-ph.GA2025★ 9 cited

JADES Data Release 4 Paper I: Sample Selection, Observing Strategy and Redshifts of the complete spectroscopic sample

Emma Curtis-Lake, Alex J. Cameron, Andrew J. Bunker +34

This paper accompanies Data Release 4 of the JWST Deep Extragalactic Survey (JADES), which presents the full NIRSpec spectroscopy of the survey. We provide spectra of 5190 targets…

astro-ph.GA2025★ 1 cited

JADES: The Star Formation and Dust Attenuation Properties of Galaxies at 3<z<7

Charity Woodrum, Irene Shivaei, Joris Witstok +23

We present the star formation and dust attenuation properties for a sample of 602 galaxies at redshifts , as part of the JADES survey. Our analysis is based on measurem…

astro-ph.GA2025

BlackTHUNDER: Evidence of three massive black holes in a z~5 galaxy

Hannah Übler, Giovanni Mazzolari, Roberto Maiolino +41

We present observational evidence of three massive, accreting black holes (BHs) in the z=5.0167 galaxy J0148-4214 from JWST/NIRSpec-IFU spectroscopy. The BHs are revealed through b…

astro-ph.GA2025★ 2 cited

JADES: the chemical enrichment pattern of distant galaxies -- enhancement, silicon depletion, and iron enhancement

Yuki Isobe, Roberto Maiolino, Xihan Ji +26

We present gas-phase abundances of carbon (C), -elements (O, Ne, Si, and Ar) and iron (Fe) obtained from stacked spectra of high- star-forming galaxies with the deep Near Inf…

astro-ph.GA2025

M^3D: Mosaicking M33 with MUSE datacubes I. Unveiling the diversity of HII regions in M33 with MUSE

A. Feltre, F. Belfiore, G. Cresci +23

We present new VLT/MUSE observations of a 3 8 arcmin mosaic along the southern major axis of the Local Group galaxy M33. These data provide an unprecedented view of th…