activity
19982026
most citedSpectroscopic confirmation of two luminous galaxies at

239 citations · 1.8k across the 87 of their papers we have counts for

collaborators

91 papers

astro-ph.GA2026

GA-NIFS: sRMS, a new method for disentangling resolved and unresolved emission in integral field spectroscopy. Application to distant quasars

Michele Perna, Santiago Arribas, Carlota Prieto-Jiménez +28

The interpretation of AGN emission-line profiles in type1 AGN is often complicated by the dominance of bright, spatially unresolved nuclear continuum and broad-line region (BLR) em…

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

JADES: Dynamical Measurements of Dark Matter Halo Masses at Using Galaxy Pairs

Zihao Wu, Daniel J. Eisenstein, Benjamin D. Johnson +13

We present dynamical measurements of dark matter halo masses at using galaxy pairs. Galaxy pairs in the early Universe are usually in their first infall, before substan…

astro-ph.GA2026

GA-NIFS: The interplay between feedback and star formation at 3 < z < 9 probed by JWST/NIRSpec IFU

L. Ulivi, M. Perna, S. Arribas +24

The study of starburst- and AGN-driven feedback is fundamental for understanding the processes that shape galaxy growth, quench star formation, and drive the co-evolution of galaxi…

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★ 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★ 5 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometric Catalog

Brant E. Robertson, Benjamin D. Johnson, Sandro Tacchella +34

JADES Data Release 5 (DR5) photometric catalogs and describes the methodologies used for source detection, deblending, photometry, uncertainty estimation, and catalog curation. The…

astro-ph.GA2026★ 4 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: NIRCam Imaging in GOODS-S and GOODS-N

Benjamin D. Johnson, Brant E. Robertson, Daniel J. Eisenstein +30

We present the Near Infrared Camera (NIRCam) imaging products of the fifth data release (DR5) of the James Webb Space Telescope (JWST) Advanced Deep Extragalactic Survey (JADES). T…

astro-ph.GA2026

GA-NIFS: AGN activity in a Lyα emitter within a triple-AGN system anchored by a passive galaxy at z=3

Michele Perna, Santiago Arribas, Mahmoud Hamed +15

Massive quenched galaxies at z>3 challenge models of early galaxy evolution, as their rapid formation and abrupt quenching require efficient feedback, often linked to active galact…

astro-ph.GA2026★ 1 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometrically Selected Galaxy Candidates at z > 8

Kevin N. Hainline, Daniel J. Eisenstein, Lily Whitler +34

We present a sample of 2081 sources selected at photometric redshift across the JADES DR5 data release in GOODS-S and GOODS-N over a total area of 469 squar…

astro-ph.GA2026★ 1 cited

GA-NIFS: high prevalence of dusty and metal-enriched outflows in massive and luminous star-forming galaxies at

B. Rodríguez Del Pino, S. Arribas, M. Perna +16

We present a search for and characterization of ionized outflows in 15 star-forming systems at with no evidence of Active Galactic Nuclei (AGN), observed with JWST/NIRSp…

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.IM2025

Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake: Cosmology and High-z Universe

Pablo G. Pérez-González, Roberto Maiolino, Pascal A. Oesch +16

Full sky coverage with 30-40 meter-class telescopes is essential to answer fundamental questions in Astrophysics, Cosmology, and Physics, such as the composition of the Universe an…

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

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

RIOJA. The dusty outflows and density-complex interstellar medium in the N-enhanced lensed galaxy RXCJ2248-ID at z=6.1

A. Crespo Gómez, Y. Tamura, L. Colina +19

We present an analysis on the kinematics and physical properties of the ionized gas in the lensed galaxy RXCJ2248-ID at z=6.1 based on high-resolution JWST NIRSpec/IFU data in comb…

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…