activity
20172026
most citedStrongly baryon-dominated disk galaxies at the peak of galaxy formation ten billion years ago

294 citations · 1.3k across the 34 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

34 papers · 1 filter

astro-ph.GA2026

How to raise a supermassive black hole: interpreting early JWST AGN with the AESOPICA simulations

Sophie Koudmani, Jan Scholtz, Anthony J. Taylor +11

The active black holes uncovered by JWST in the early Universe are highly abundant and seemingly overmassive with respect to local scaling relations, challenging standard models of…

astro-ph.GA2026★ 1 cited

RotCurves: A PYTHON package for efficient modelling and fitting of galactic rotation curves at high-z

A. Nestor Shachar, A. Sternberg, S. H. Price +18

Rotation curves are a fundamental tool in the study of galaxies across cosmic time, and with the advent of large integral field unit (IFU) kinematic surveys there is an increasing…

astro-ph.GA2026★ 1 cited

Clumps in High-Redshift Galaxies: Mass Scaling and Radial Trends from JADES

Yongda Zhu, Marcia J. Rieke, Zhiyuan Ji +20

Massive star-forming clumps are a prominent feature of high-redshift galaxies and are thought to trace gravitational fragmentation, feedback, and bulge growth in gas-rich disks. We…

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★ 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★ 5 cited

On the origins of oxygen: ALMA and JWST characterise the multi-phase, metal-enriched, star-bursting medium within a 'normal' galaxy

Joris Witstok, Renske Smit, William M. Baker +29

The unexpectedly high abundance of galaxies at revealed by JWST has sparked a debate on the nature of early galaxies and the physical mechanisms regulating their formation…

astro-ph.GA2025★ 11 cited

JADES reveals a large population of low mass black holes at high redshift

Sophia Geris, Roberto Maiolino, Yuki Isobe +24

JWST has revealed a large population of active galactic nuclei (AGN) in the distant universe, which are challenging our understanding of early massive black hole seeding and growth…

astro-ph.GA2025★ 1 cited

Evolution of Gas Velocity Dispersion in Discs from to

E. Wisnioski, J. T. Mendel, R. Leaman +3

Together optical/near infrared integral field spectroscopy and resolved sub-millimetre interferometry data have mapped the ionised and molecular gas motions in nearly one thousand…

astro-ph.GA2025★ 2 cited

Connecting JWST discovered N/O-enhanced galaxies to globular clusters: Evidence from chemical imprints

Xihan Ji, Vasily Belokurov, Roberto Maiolino +5

Recent JWST observations have revealed a growing population of galaxies at with elevated nitrogen-to-oxygen ratios. These "N/O-enhanced" galaxies (NOEGs) exhibit near- to sup…

astro-ph.GA2025★ 7 cited

When relics were made: vigorous stellar rotation and low dark matter content in the massive ultra-compact galaxy GS-9209 at z=4.66

Robert G. Pascalau, Francesco D'Eugenio, Sandro Tacchella +24

JWST uncovered a large number of massive quiescent galaxies (MQGs) at , which theoretical models struggle to reproduce. Explaining the number density of such objects requires…

astro-ph.GA2025★ 1 cited

JADES and SAPPHIRES: Galaxy Metamorphosis Amidst a Huge, Luminous Emission-line Region

Francesco D'Eugenio, Jakob M. Helton, Kevin Hainline +32

We report the discovery of a remarkably large and luminous line-emitting nebula extending on either side of the Balmer-break galaxy JADES-GS-518794 at z=5.89, detected with JADES J…

astro-ph.GA2025★ 1 cited

Tentative rotation in a galaxy at z14 with ALMA

J. Scholtz, E. Parlanti, S. Carniani +20

We re-analysed ALMA observations of the [OIII]88m emission line in JADES-GS-z14.0, so far the most distant spectroscopically confirmed galaxy at z=14.18. Our analysis shows a…

astro-ph.GA2025

A large-scale ring galaxy at z = 2.2 revealed by JWST/NIRCam: kinematic observations and analytical modelling

A. Nestor Shachar, A. Sternberg, R. Genzel +24

A unique galaxy at z = 2.2, zC406690, has a striking clumpy large-scale ring structure that persists from rest UV to near-infrared, yet has an ordered rotation and lies on the star…

astro-ph.GA2025★ 4 cited

JADES: Nitrogen Enhancement in High-Redshift Broad-Line Active Galactic Nuclei

Yuki Isobe, Roberto Maiolino, Francesco D'Eugenio +16

The unexpectedly high nitrogen-to-oxygen (N/O) ratios observed in high-redshift (z) galaxies have challenged our understanding of early star formation. Notably, many of these nitro…

astro-ph.GA2025★ 3 cited

Constraining the major merger history of galaxies using JADES: dominant in-situ star formation

Dávid Puskás, Sandro Tacchella, Charlotte Simmonds +23

We present a comprehensive analysis of galaxy close-pair fractions and major merger rates to evaluate the importance of mergers in the hierarchical growth of galaxies over cosmic t…

astro-ph.GA2024★ 12 cited

GA-NIFS: The highly overdense system BR1202-0725 at z 4.7. A double AGN with fast outflows plus eight companion galaxies

S. Zamora, Giacomo Venturi, Stefano Carniani +14

Distant quasars (QSOs) in galaxy overdensities are considered key actors in the evolution of the early Universe. In this work, we studied the kinematic and physical properties of t…

astro-ph.GA2024★ 1 cited

An Investigation Into The Selection and Colors of Little Red Dots and Active Galactic Nuclei

Kevin N. Hainline, Roberto Maiolino, Ignas Juodzbalis +25

Recently, a large number of compact sources at with blue UV slopes and extremely red rest-frame optical slopes have been found in James Webb Space Telescope (JWST) extragal…

astro-ph.GA2024★ 10 cited

GA-NIFS: interstellar medium properties and tidal interactions in the evolved massive merging system B14-65666 at z=7.152

Gareth C. Jones, Rebecca A. A. Bowler, Andrew J. Bunker +13

We present JWST/NIRSpec IFU observations of the z=7.152 galaxy system B14-65666, as part of the GA-NIFS survey. Line and continuum emission in this massive system (log10(M*/Msol)=9…

astro-ph.GA2024★ 5 cited

The ALMA-CRISTAL Survey: Complex kinematics of the galaxies at the end of the Reionization Era

K. Telikova, J. González-López, M. Aravena +18

The history of gas assembly in early galaxies is reflected in their complex kinematics. While a considerable fraction of galaxies at z~5 are consistent with rotating disks, current…

astro-ph.GA2024★ 2 cited

Disk kinematics at high redshift: DysmalPy's extension to 3D modeling and comparison with different approaches

Lilian L. Lee, Natascha M. Förster Schreiber, Sedona H. Price +14

Spatially-resolved emission line kinematics are invaluable to investigating fundamental galaxy properties and have become increasingly accessible for galaxies at thro…

astro-ph.GA2024

The ALMA-CRISTAL Survey: Spatially-resolved Star Formation Activity and Dust Content in 4 < z < 6 Star-forming Galaxies

Juno Li, Elisabete Da Cunha, Jorge González-López +28

Using a combination of HST, JWST, and ALMA data, we perform spatially resolved spectral energy distributions (SED) fitting of fourteen 4<z<6 UV-selected main-sequence galaxies targ…

astro-ph.GA2024★ 1 cited

A Systematic Search for Galaxies with Extended Emission Line and Potential Outflows in JADES Medium-Band Images

Yongda Zhu, Marcia J. Rieke, Zhiyuan Ji +20

For the first time, we present a systematic search for galaxies with extended emission line and potential outflow features using \textit{JWST} medium-band images in the GOODS-S fie…

astro-ph.GA2021★ 39 cited

The Diverse Molecular Gas Content of Massive Galaxies Undergoing Quenching at z~1

Sirio Belli, Alessandra Contursi, Reinhard Genzel +20

We present a detailed study of the molecular gas content and stellar population properties of three massive galaxies at 1 < z < 1.3 that are in different stages of quenching. The g…

astro-ph.GA2020★ 49 cited

The KMOS Survey: Investigating the Origin of the Elevated Electron Densities in Star-Forming Galaxies at

Rebecca L. Davies, N. M. Förster Schreiber, R. Genzel +24

We investigate what drives the redshift evolution of the typical electron density () in star-forming galaxies, using a sample of 140 galaxies drawn primarily from KMOS$^{\rm 3…