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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…
Efficient Ionizers with Low H+[OIII] Equivalent Widths: JADES Spectroscopy of a Peculiar High-z Population
Isaac H. Laseter, Michael V. Maseda, Charlotte Simmonds +15
Early JWST photometric studies discovered a population of UV faint () Lyman break galaxies with spectral energy distributions implying young ages ($…
Environmental Evidence for Overly Massive Black Holes in Low Mass Galaxies and a Black Hole - Halo Mass Relation at
Jorryt Matthee, Rohan P. Naidu, Gauri Kotiwale +14
JWST observations have unveiled faint active galactic nuclei (AGN) at high-redshift that provide insights on the formation of supermassive black holes (SMBHs) and their coevolution…
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…
Self-regulated growth of galaxy sizes along the star-forming main sequence
Shweta Jain, Sandro Tacchella, Moein Mosleh
We present a systematic analysis of the spatially resolved star formation histories (SFHs) using Hubble Space Telescope imaging data of , intermediate redshifts $0.5 \leq…
Not Just a Dot: the complex UV morphology and underlying properties of Little Red Dots
P. Rinaldi, N. Bonaventura, G. H. Rieke +31
We analyze 99 photometrically selected Little Red Dots (LRDs) at in the GOODS fields, leveraging ultra-deep JADES NIRCam short-wavelength (SW) data. We examine the…
Star formation in cosmic-dawn galaxies
Sandro Tacchella
In the first two years of operation JWST has delivered key new insights into the formation and evolution of galaxies in the early Universe. By combining imaging with spectroscopy,…
Self-Similar Buildup and Inside-Out Growth: Tracing the Evolution of Intermediate to High-Mass Star-Forming Galaxies Since
Maryam Hasheminia, Moein Mosleh, S. Zahra Hosseini-ShahiSavandi +1
We aim to discern scenarios of structural evolution of intermediate to high-mass star-forming galaxies (SFGs) since cosmic noon by comparing their stellar mass profiles with presen…
All the Little Things in Abell 2744: 1000 Gravitationally Lensed Dwarf Galaxies at from JWST NIRCam Grism Spectroscopy
Rohan P. Naidu, Jorryt Matthee, Ivan Kramarenko +31
Dwarf galaxies hold the key to crucial frontiers of astrophysics, however, their faintness renders spectroscopy challenging. Here we present the JWST Cycle 2 survey, All the Little…
Age-dating early quiescent galaxies: high star-formation efficiency, but consistent with direct, higher-redshift observations
Crispin Turner, Sandro Tacchella, Francesco D'Eugenio +9
We present a detailed analysis of JWST/NIRSpec and NIRCam observations of ZF-UDS-7329, a massive, quiescent galaxy at redshift , which has been put forward to challenge cosm…
Increased Burstiness at High Redshift in Multi-Physics Models Combining Supernova Feedback, Radiative Transfer and Cosmic Rays
Tibor Dome, Sergio Martin-Alvarez, Sandro Tacchella +2
We study star formation variability, or burstiness, as a method to constrain and compare different galaxy formation models at high redshift using the Azahar simulation suite. The m…
Extended hot dust emission around the earliest massive quiescent galaxy
Zhiyuan Ji, Christina C. Williams, George H. Rieke +14
A major unsolved problem in galaxy evolution is the early appearance of massive quiescent galaxies that no longer actively form stars only billion years after the Big Ban…
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…
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_*/…
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…
Ionising properties of galaxies in JADES for a stellar mass complete sample: resolving the cosmic ionising photon budget crisis at the Epoch of Reionisation
C. Simmonds, S. Tacchella, K. Hainline +26
We use NIRCam imaging from the JWST Advanced Deep Extragalactic Survey (JADES) to study the ionising properties of a sample of 15721 galaxies at , 90\%…
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…
JADES Ultra-red Flattened Objects: Morphologies and Spatial Gradients in Color and Stellar Populations
Justus L. Gibson, Erica Nelson, Christina C. Williams +20
One of the more surprising findings after the first year of JWST observations is the large number of spatially extended galaxies (ultra-red flattened objects, or UFOs) among the op…
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…
Rising from the ashes: evidence of old stellar populations and rejuvenation events in the very early Universe
Callum Witten, William McClymont, Nicolas Laporte +12
While JWST has observed galaxies assembling as early as , evidence of galaxies with significant old stellar populations in the Epoch of Reionisation (EoR) -- the descendan…
Early Galaxies and Early Dark Energy: A Unified Solution to the Hubble Tension and Puzzles of Massive Bright Galaxies revealed by JWST
Xuejian Shen, Mark Vogelsberger, Michael Boylan-Kolchin +2
JWST has revealed a large population of ultra-violet (UV)-bright galaxies at and possibly overly massive galaxies at , challenging standard galaxy formati…
JADES: Spectroscopic Confirmation and Proper Motion for a T-Dwarf at 2 Kiloparsecs
Kevin N. Hainline, Francesco D'Eugenio, Fengwu Sun +15
Large area observations of extragalactic deep fields with the James Webb Space Telescope (JWST) have provided a wealth of candidate low-mass L- and T-class brown dwarfs. The existe…
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…