490 citations · 1.2k across the 17 of their papers we have counts for
17 papers
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…
JADES and BlackTHUNDER: rest-frame Balmer-line absorption and the local environment in a Little Red Dot at z = 5
Francesco D'Eugenio, Ignas Juodžbalis, Xihan Ji +32
We present a broad-line AGN at z=5.077, observed with both NIRSpec/MSA and NIRSpec/IFU by the JADES and BlackTHUNDER surveys. The target exhibits all the hallmark features of a 'Li…
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 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…
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…
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…
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…
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…
No evidence of AGN features in the nuclei of Arp 220 from JWST/NIRSpec IFS
Michele Perna, Santiago Arribas, Isabella Lamperti +12
Arp 220 is the nearest ULIRG; it shows evidence of 100 pc-scale molecular outflows likely connected with galaxy-scale outflows traced by ionised and neutral gas. The two highly obs…
GA-NIFS: NIRSpec reveals evidence for non-circular motions and AGN feedback in GN20
Hannah Übler, Francesco D'Eugenio, Michele Perna +15
We present rest-frame optical data of the z~4 sub-millimeter galaxy GN20 obtained with JWST/NIRSpec in integral field spectroscopy (IFS) mode. The H emission is asymmetric and c…
What is the nature of Little Red Dots and what is not, MIRI SMILES edition
Pablo G. Pérez-González, Guillermo Barro, George H. Rieke +20
We study little red dots (LRD) detected by JADES and covered by the SMILES MIRI survey. Our sample contains 31 sources, % detected in the two bluest MIRI bands, 40% in redd…
The James Webb Space Telescope Mission
Jonathan P. Gardner, John C. Mather, Randy Abbott +1004
Twenty-six years ago a small committee report, building on earlier studies, expounded a compelling and poetic vision for the future of astronomy, calling for an infrared-optimized…
Carbonaceous dust grains seen in the first billion years of cosmic time
Joris Witstok, Irene Shivaei, Renske Smit +39
Large dust reservoirs (up to ) have been detected in galaxies out to redshift , when the age of the universe was only about 600 Myr. Genera…
In-orbit Commissioning of the Near-Infrared Spectrograph on the James Webb Space Telescope
Torsten Böker, Yasin Abul-Huda, Martin Altenburg +41
The Near-Infrared Spectrograph (NIRSpec) is one of the four focal plane instruments on the James Webb Space Telescope which was launched on Dec. 25, 2021. We present an overview of…
The Science Performance of JWST as Characterized in Commissioning
Jane Rigby, Marshall Perrin, Michael McElwain +623
This paper characterizes the actual science performance of the James Webb Space Telescope (JWST), as determined from the six month commissioning period. We summarize the performanc…
Morphometry as a probe of the evolution of jellyfish galaxies
Fernanda Roman-Oliveira, Ana L. Chies-Santos, Fabricio Ferrari +2
We explore the morphometric properties of a group of 73 ram pressure stripping candidates in the A901/A902 multi-cluster system, at z0.165, to characterise the morphologies a…
Galaxy cluster mergers as triggers for the formation of jellyfish galaxies: case study of the A901/2 system
Rafael Ruggiero, Rubens E. G. Machado, Fernanda V. Roman-Oliveira +4
The A901/2 system is a rare case of galaxy cluster interaction, in which two galaxy clusters and two smaller groups are seen in route of collision with each other simultaneously. W…