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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…
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 radio properties of the JWST-discovered AGN
G. Mazzolari, R. Gilli, R. Maiolino +23
We explore the radio emission of JWST-selected Broad Line AGN (BLAGN, or type 1) in the GOODS-N field. We use deep radio data at different frequencies (144\,MHz, 1.5\,GHz, 3\,GHz,…
Unveiling AGN Outflows: [O iii] Outflow Detection Rates and Correlation with Low-Frequency Radio Emission
Emmy L. Escott, Leah K. Morabito, Jan Scholtz +10
Some Active Galactic Nuclei (AGN) host outflows which have the potential to alter the host galaxy's evolution (AGN feedback). These outflows have been linked to enhanced radio emis…
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 missing FeII bump in faint JWST AGN: possible evidence for metal-poor broad-line regions at early cosmic times
Bartolomeo Trefoloni, Xihan Ji, Roberto Maiolino +6
Recent JWST observations have revealed a large population of intermediate/low-luminosity AGN at early times with peculiar properties, different from local AGN or luminous quasars.…
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…
The eventful life of a luminous galaxy at z = 14: metal enrichment, feedback, and low gas fraction?
Stefano Carniani, Francesco D'Eugenio, Xihan Ji +25
JADES-GS-z14-0 is the most distant spectroscopically confirmed galaxy yet, at . With a UV magnitude of -20.81, it is one of the most luminous galaxies at cosmic dawn and its…
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…
No evidence for a significant evolution of - relation in massive galaxies up to z4
Yang Sun, Jianwei Lyu, George H. Rieke +19
Over the past two decades, tight correlations between black hole masses () and their host galaxy properties have been firmly established for massive galaxies ($\log(M_*/…
JWST/NIRSpec WIDE survey: a z=4.6 low-mass star-forming galaxy hosting a jet-driven shock with low ionisation and solar metallicity
Francesco D'Eugenio, Roberto Maiolino, Vijay H. Mahatma +14
We present NIRSpec/MSA observations from the JWST large-area survey WIDE, targeting the rest-frame UV-optical spectrum of Ulema, a radio-AGN host at redshift z=4.6348. The low-reso…
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…
Narrow line AGN selection in CEERS: spectroscopic selection, physical properties, X-ray and radio analysis
Giovanni Mazzolari, Jan Scholtz, Roberto Maiolino +11
In this work, we spectroscopically select narrow-line AGNs (NLAGNs) among the ~300 publicly available medium-resolution spectra of the Cosmic Evolution Early Release Science Survey…
SUPER VIII. Fast and Furious at : obscured type-2 active nuclei host faster ionised winds than type-1 systems
G. Tozzi, G. Cresci, M. Perna +22
We present spatially resolved VLT/SINFONI spectroscopy with adaptive optics of type-2 active galactic nuclei (AGN) from the SINFONI Survey for Unveiling the Physics and Effect of R…
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…
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…
JADES: Physical properties of Ly and non-Ly emitters at z ~ 4.8-9.6
Nimisha Kumari, Renske Smit, Joris Witstok +21
We investigate the physical properties of Lyman-alpha emitters (LAEs) and non-Lyman-alpha emitters (non-LAEs) at z4.8--9.6 via a stacking analysis of 253 JWST/NIRSpec spectra…
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…
Photometric detection at of a galaxy beyond redshift with JWST/MIRI
Jakob M. Helton, George H. Rieke, Stacey Alberts +31
The James Webb Space Telescope (JWST) has spectroscopically confirmed numerous galaxies at . While weak rest-ultraviolet emission lines have only been seen in a handful of…