239 citations · 1.8k across the 87 of their papers we have counts for
34 papers · 1 filter
Hitting the slopes: A spectroscopic view of UV continuum slopes of galaxies reveals a reddening at z > 9.5
Aayush Saxena, Alex J. Cameron, Harley Katz +26
The UV continuum slope of galaxies, , is a powerful diagnostic. Understanding the redshift evolution of and its dependence on key galaxy properties can shed light on the evo…
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…
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…
The JWST/NIRSpec view of the nuclear region in the prototypical merging galaxy NGC 6240
Matteo Ceci, Giovanni Cresci, Santiago Arribas +9
Merger events are thought to be an important phase in the assembly of massive galaxies. At the same time, Active Galactic Nuclei (AGN) play a fundamental role in the evolution of t…
GA-NIFS: A galaxy-wide outflow in a Compton-thick mini-BAL quasar at z = 3.5 probed in emission and absorption
Michele Perna, Santiago Arribas, Xihan Ji +17
Studying the distribution and properties of ionised gas in outflows driven by AGN is crucial for understanding the feedback mechanisms at play in extragalactic environments. In thi…
GA-NIFS: Dissecting the multiple sub-structures and probing their complex interactions in the \Lyalpha emitter galaxy CR7 at z = 6.6 with JWST/NIRSpec
C. Marconcini, F. D'Eugenio, R. Maiolino +16
We present JWST/NIRSpec integral field spectroscopic (IFS) observations of the \Lyalpha emitter CR7 at z ~ 6.6, observed as part of the GA-NIFS program. Using low-resolution PRISM…
GA-NIFS: ISM properties and metal enrichment in a merger-driven starburst during the Epoch of Reionisation probed with JWST and ALMA
J. Scholtz, M. Curti, F. D'Eugenio +17
We present deep JWST/NIRSpec integral-field spectroscopy (IFS) and ALMA [CII]158m observations of COS-3018, a star-forming galaxy at z6.85, as part of the GA-NIFS progr…
The abundance and nature of high-redshift quiescent galaxies from JADES spectroscopy and the FLAMINGO simulations
William M. Baker, Seunghwan Lim, Francesco D'Eugenio +20
We use NIRSpec/MSA spectroscopy and NIRCam imaging to study a sample of 18 massive (dex), central quiescent galaxies at in the GOO…
GA-NIFS and EIGER: A merging quasar host at z=7 with an overmassive black hole
Madeline A. Marshall, Minghao Yue, Anna-Christina Eilers +22
The James Webb Space Telescope is revolutionising our ability to understand the host galaxies and local environments of high-z quasars. Here we obtain a comprehensive understanding…
JADES: Measuring reionization properties using Lyman-alpha emission
Gareth C. Jones, Andrew J. Bunker, Aayush Saxena +19
Ly is the transition to the ground state from the first excited state of hydrogen (the most common element). Resonant scattering of this line by neutral hydrogen greatly impedes…
Witnessing the onset of reionisation via Lyman- emission at redshift 13
Joris Witstok, Peter Jakobsen, Roberto Maiolino +34
$\require{mediawiki-texvc}$Cosmic Reionisation commenced when ultraviolet (UV) radiation produced in the first galaxies began illuminating the cold, neutral gas that filled the pri…
GA-NIFS: the interplay between merger, star formation and chemical enrichment in MACS1149-JD1 at z=9.11 with JWST/NIRSpec
Cosimo Marconcini, Francesco D'Eugenio, Roberto Maiolino +15
We present JWST/NIRSpec integral-field spectroscopy observations of the z ~ 9.11 lensed galaxy MACS1149-JD1, as part of the GA-NIFS programme. The data was obtained with both the G…
GA-NIFS: Multi-phase analysis of a star-forming galaxy at
Eleonora Parlanti, Stefano Carniani, Giacomo Venturi +16
In this study, we present a detailed multiphase analysis of HZ4, a main-sequence star-forming galaxy at z ~ 5.5, known for being a turbulent rotating disk and having a detection of…
JADES -- The Rosetta Stone of JWST-discovered AGN: deciphering the intriguing nature of early AGN
Ignas Juodžbalis, Xihan Ji, Roberto Maiolino +23
JWST has discovered a large population of Active Galactic Nuclei (AGN) at high redshift. Many of these newly discovered AGN have broad permitted lines (typically H), but are ext…
JWST/NIRSpec insights into the circumnuclear region of Arp 220: A detailed kinematic study
L. Ulivi, M. Perna, I. Lamperti +13
The study of starburst and active galactic nuclei (AGN) feedback is crucial for understanding the regulation of star formation and the evolution of galaxies across cosmic time. Arp…
JADES: The star-formation and chemical enrichment history of a luminous galaxy at z~9.43 probed by ultra-deep JWST/NIRSpec spectroscopy
Mirko Curti, Joris Witstok, Peter Jakobsen +30
We analyse ultra-deep JWST observations of the galaxy JADES-GS-z9-0 at z = 9.4327, and derive detailed stellar and interstellar medium (ISM) properties of this luminous (MUV=-20.43…
GA-NIFS: JWST/NIRSpec IFS view of the z~3.5 galaxy GS5001 and its close environment at the core of a large-scale overdensity
Isabella Lamperti, Santiago Arribas, Michele Perna +19
We present JWST NIRSpec observations in IFS mode of the galaxy GS5001 at redshift z=3.47, the central member of a candidate protocluster in the GOODS-S field. The data cover a fiel…
Net-zero gas inflow: Measurement of the gas consumption history of a massive quiescent galaxy
Jan Scholtz, Francesco D'Eugenio, Roberto Maiolino +23
JWST is discovering increasing numbers of quiescent galaxies 1--2 billion years after the Big Bang, whose redshift, high mass, and old stellar ages indicate that their formation an…
Spectroscopic confirmation of two luminous galaxies at
Stefano Carniani, Kevin Hainline, Francesco D'Eugenio +42
The first observations of JWST have revolutionized our understanding of the Universe by identifying for the first time galaxies at . In addition, the discovery of many lum…
The density-bounded twilight of starbursts in the early Universe
William McClymont, Sandro Tacchella, Francesco D'Eugenio +8
The peculiar nebular emission displayed by galaxies in the early Universe presents a unique opportunity to gain insight into the regulation of star formation in extreme environment…
GA-NIFS: Witnessing the complex assembly of a star-forming system at
Gareth C. Jones, Andrew J. Bunker, Kseniia Telikova +19
We present observations of the Lyman-break galaxy HZ10 with the JWST/NIRSpec IFU in high and low spectral resolution (G395H, spectral resolving power and PRI…
Accelerated quenching and chemical enhancement of massive galaxies in a gas-rich halo
Pablo G. Pérez-González, Francesco D`Eugenio, Bruno Rodríguez del Pino +18
Stars in galaxies form when baryons radiatively cool down and fall into gravitational wells whose mass is dominated by dark matter. Eventually, star formation quenches as gas is de…
Growing a nuclear star cluster from star formation and cluster mergers: The JWST NIRSpec view of NGC 4654
Katja Fahrion, Torsten Böker, Michele Perna +10
We present a detailed study of the centre of NGC4654, a Milky Way-like spiral galaxy in the Virgo cluster that has been reported to host a double stellar nucleus, thus promising a…
JADES Data Release 3 -- NIRSpec/MSA spectroscopy for 4,000 galaxies in the GOODS fields
Francesco D'Eugenio, Alex J. Cameron, Jan Scholtz +51
We present the third data release of JADES, the JWST Advanced Deep Extragalactic Survey, providing both imaging and spectroscopy in the two GOODS fields. Spectroscopy consists of m…