activity
20222026
most citedJADES NIRSpec Spectroscopy of GN-z11: Lyman- emission and possible enhanced nitrogen abundance in a luminous galaxy

396 citations · 4.8k across the 173 of their papers we have counts for

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52 papers · 1 filter

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

GA-NIFS: the highest-redshift ring galaxy candidate from a head-on collision

Michele Perna, Santiago Arribas, Luca Costantin +18

Collisional ring galaxies are a rare class of interacting systems, making up only ~0.01% of galaxies in the local Universe. Their formation is typically attributed to a head-on col…

astro-ph.GA2025★ 1 cited

The LEGA-C galaxy survey: multiple quenching channels for quiescent galaxies at

Angelos Nersesian, Yasha Kaushal, Marco Martorano +9

We analyzed the sizes and star-formation histories (SFHs) of 2908 galaxies with M at , drawn from the LEGA-C survey. The goal is to inves…

astro-ph.GA2025★ 1 cited

Signatures of star formation inside galactic outflows

Dily Duan Yi Ong, Francesco D'Eugenio, Roberto Maiolino +13

Observations have suggested that galactic outflows contain substantial amounts of dense and clumpy molecular gas, creating favourable conditions for igniting star formation. Indeed…

astro-ph.GA2025★ 1 cited

GA-NIFS: Understanding the ionization nature of EGSY8p7/CEERS-1019. Evidence for a star formation-driven outflow at z = 8.6

Sandra Zamora, Stefano Carniani, Elena Bertola +16

Understanding the physical conditions and feedback mechanisms in early massive galaxies is essential to uncover how they formed and evolved during the first billion years of the Un…

astro-ph.GA2025★ 1 cited

GA-NIFS: A smouldering disk galaxy undergoing ordered rotation at z=4.26

Gareth C. Jones, Roberto Maiolino, Francesco D'Eugenio +13

Rotating galaxies with relaxed gaseous disks have been discovered across cosmic time, from the local Universe to high redshift (z>4). But few such sources have been confirmed at z>…

astro-ph.GA2025★ 2 cited

Doubling NIRSpec/IFS capability to calibrate the single-epoch black hole mass relation at high redshifts

Eleonora Parlanti, Bartolomeo Trefoloni, Stefano Carniani +6

The recent discovery of a large population of overmassive black holes (BHs) in the early Universe challenges the validity of the BH-host galaxy coevolution framework. However, the…

astro-ph.GA2025★ 2 cited

GA-NIFS: Powerful and frequent outflows in moderate-luminosity active galactic nuclei at

Giacomo Venturi, Stefano Carniani, Elena Bertola +18

The period between z ~ 3-6, a key transformational phase in galaxy evolution preceding 'cosmic noon' (z ~ 1-3), is very poorly explored in terms of feedback from AGN acting through…

astro-ph.GA2025★ 5 cited

The dark side of early galaxies: uncovers dark-matter fractions at

A. Lola Danhaive, Sandro Tacchella, Andrew J. Bunker +15

JWST/NIRCam slitless spectroscopy enables dynamical mass measurements for typical star-forming galaxies only a billion years after the Big Bang. We model the H morpho-kinematics…

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★ 1 cited

Black Holes in the Shadow: The Missing High-Ionization Lines in the Earliest JWST AGNs

Greta Zucchi, Xihan Ji, Piero Madau +5

Observations with the James Webb Space Telescope (JWST) have uncovered a substantial population of high-redshift, broad-line active galactic nuclei (AGNs), whose properties challen…

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★ 14 cited

The warm outer layer of a Little Red Dot as the source of [Fe II] and collisional Balmer lines with scattering wings

Alberto Torralba, Jorryt Matthee, Gabriele Pezzulli +22

The population of the Little Red Dots (LRDs) may represent a key phase of supermassive black hole (SMBH) growth. A cocoon of dense excited gas is emerging as key component to expla…

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★ 5 cited

Irony at z=6.68: a bright AGN with forbidden Fe emission and multi-component Balmer absorption

Francesco D'Eugenio, Erica Nelson, Xihan Ji +11

We present the deepest medium-resolution JWST/NIRSpec spectroscopy to date of a bright Little Red Dot (LRD) AGN, Irony at z=6.68. The data reveal broad Balmer emission from H-H$…

astro-ph.GA2025

GA-NIFS: an extended [OIII] halo around the sub-Eddington quasar J1342+0928 at z=7.54

Bartolomeo Trefoloni, Stefano Carniani, Elena Bertola +18

The James Webb Space Telescope (\textit{JWST}) opened a new observational window on the primordial Universe. Here we present new JWST NIRSpec integral field spectroscopy (IFS) obse…

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★ 7 cited

BlackTHUNDER: Shedding light on a dormant and extreme little red dot at z=8.50

Gareth C. Jones, Hannah Übler, Roberto Maiolino +17

Recent photometric surveys with JWST have revealed a significant population of mysterious objects with red colours, compact morphologies, frequent signs of active galactic nucleus…

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★ 17 cited

A direct black hole mass measurement in a Little Red Dot at the Epoch of Reionization

Ignas Juodžbalis, Cosimo Marconcini, Francesco D'Eugenio +37

Recent discoveries of faint active galactic nuclei (AGN) at the redshift frontier have revealed a plethora of broad \Halpha emitters with optically red continua, named Little Red D…

astro-ph.GA2025

JADES-GS-z14-1: A Compact, Faint Galaxy at with Weak Metal Lines from Extremely Deep JWST MIRI, NIRCam, and NIRSpec Observations

Zihao Wu, Daniel J. Eisenstein, Benjamin D. Johnson +29

JWST has shed light on galaxy formation and metal enrichment within 300 Myr of the Big Bang. While luminous galaxies at often show significant [O III]4959, 5007 emissi…

astro-ph.GA2025★ 4 cited

Bursting at the seams: the star-forming main sequence and its scatter at z=3-9 using NIRCam photometry from JADES

C. Simmonds, S. Tacchella, W. McClymont +24

We present a comprehensive study of the star-forming main sequence (SFMS) and its scatter at redshifts , using NIRCam photometry from the JADES survey in the GOODS…

astro-ph.GA2025★ 2 cited

Ruling out dominant electron scattering in Little Red Dots' Rosetta Stone using multiple hydrogen lines

Matilde Brazzini, Francesco D'Eugenio, Roberto Maiolino +3

The majority of Little Red Dots (LRDs) hosting Active Galactic Nuclei (AGN) exhibits broad H emission, which recent studies propose originates from scattering off free electrons…