activity
20202026
most citedThe JWST-PRIMAL Legacy Survey. A JWST/NIRSpec reference sample for the physical properties and Lyman- absorption and emission of galaxies at

100 citations · 375 across the 28 of their papers we have counts for

collaborators

28 papers

astro-ph.GA2026

CRIMSONS: An Online Tool for Modeling Chemical Enrichment with Stochastic IMF Sampling

Martina Rossi, Lapo Querci, Stefano Ciabattini +14

Chemical enrichment is a universal process shaped by several interconnected factors, including stellar feedback, the nature of chemical polluters, and the underlying distribution o…

astro-ph.GA2026

SPURS: An Ultra-deep View Inside the Compact, Nitrogen-Enriched Nuclei of Little Red Dots

Mengtao Tang, Daniel P. Stark, Charlotte A. Mason +7

We present the first ultra-deep rest-UV spectroscopy of four UV-bright Little Red Dots (LRDs), obtained from the SPURS Cycle 4 Large Program. The spectra reveal broad CIV (FWHM $\a…

astro-ph.GA2026

SPURS: Massive Stars, Dense Gas, and Ly Escape in GN-z11 at

Zuyi Chen, Daniel P. Stark, Charlotte A. Mason +6

We present ultra-deep {\it JWST} spectroscopy of GN-z11 () obtained through the SPURS Cycle 4 Large Program, providing the deepest rest-UV view yet obtained of a galaxy at…

astro-ph.GA2026

Chemical signatures from the first stars embedded in metal-poor gas in galaxies at cosmic dawn

Clara L. Pollock, Kasper E. Heintz, Elka Rusta +15

The first generation of stars formed from pristine, neutral hydrogen gas. The most massive of these exploded as supernovae within a few million years of their birth, producing the…

astro-ph.GA2026

JWST absorption line spectroscopy with SPURS: ISM covering fractions and kinematics in individual galaxies at

Keerthi Vasan G. C., Peter Senchyna, Charlotte A. Mason +11

We present deep rest-ultraviolet (UV) spectra of six luminous -- 9 galaxies in the Abell-2744 field taken as part of the JWST Cycle 4 Large Program SPURS. The individual gala…

astro-ph.GA2026

NEFERTITI: Linking early galaxy formation to the assembly of the Milky Way

Ioanna Koutsouridou, Stefania Salvadori, Ása Skúladóttir +5

We use a new implementation of the NEFERTITI galaxy formation model, coupled to high-resolution Caterpillar dark-matter simulations of Milky Way (MW) analogues, to connec…

astro-ph.GA2026★ 1 cited

The Pristine HeII Emitter near GN-z11: Constraining the Mass Distribution of the First Stars

Elka Rusta, Stefania Salvadori, Roberto Maiolino +6

The properties of the first metal-free stars remain largely unknown, and so far, the only data-driven constraints on their mass distribution (IMF) come from near-field cosmology. H…

astro-ph.GA2026

SPURS: Bursty Star Formation in an Extremely Luminous Weak Emission Line Galaxy at

Zuyi Chen, Daniel P. Stark, Charlotte A. Mason +8

JWST has revealed a population of super-luminous early galaxies with a volume density in excess of most expectations. The spectra reveal diverse properties: while some reveal stron…

astro-ph.GA2026★ 1 cited

SPURS: Evidence for Clumpy Neutral Envelopes and Ionized IGM Surrounding Little Red Dots in Abell 2744 from Ultra-Deep Rest-UV Spectroscopy

Mengtao Tang, Daniel P. Stark, Charlotte A. Mason +14

Rest-frame ultraviolet (UV) spectra of Little Red Dots (LRDs) often show Ly emission. Along with broad Balmer emission, LRDs are expected to produce broad Ly emission. Howeve…

astro-ph.GA2026

BEACON: JWST NIRCam Pure-parallel Imaging Survey. III. Constraints on the UV LF and the Clustering of z~7-14 Galaxies

Kimi C. Kreilgaard, Charlotte A. Mason, Takahiro Morishita +21

The James Webb Space Telescope (JWST) has extended the frontier of galaxy detection to redshifts z>11, finding a high abundance of UV-bright sources that challenge theoretical mode…

astro-ph.GA2026

Characterising Ly damping wings at the onset of reionisation: Evidence for highly efficient star formation driven by dense, neutral gas in UV-bright galaxies at

Clara L. Pollock, Kasper E. Heintz, Joris Witstok +23

One of the major conundrums in contemporary extragalactic astrophysics is the apparent overabundance of a remarkable population of UV-bright galaxies at redshifts . We…

astro-ph.GA2026

BEACON: JWST NIRCam Pure-parallel Imaging Survey. II. Physical Properties of Galaxies

Yechi Zhang, Takahiro Morishita, Kimi C. Kreilgaard +23

We present photometric properties of 161 galaxy candidates at selected from the second data release (DR2) of BEACON, a JWST Cycle 2 pure-parallel NIRCam imaging program. C…

astro-ph.GA2025

Neutral hydrogen in and around galaxies during the Epoch of Reionization

V. Gelli, C. Mason, A. Pallottini +9

JWST spectra revealing Lyman- (Ly) absorption in galaxies offer a unique probe of reionization's earliest stages. However, disentangling absorption by the increa…

astro-ph.GA2025★ 3 cited

The JWST Spectroscopic Properties of Galaxies at

Mengtao Tang, Daniel P. Stark, Charlotte A. Mason +3

We characterize the JWST spectra of galaxies at , including newly-confirmed galaxies. We directly compare the spectroscopic properties against galaxie…

astro-ph.GA2025★ 1 cited

Metal-polluted Population III galaxies and How to Find Them

Elka Rusta, Stefania Salvadori, Viola Gelli +4

Observing Population III (hereafter PopIII) galaxies, the hosts of first-generation stars, remains challenging even with the JWST. The current few candidates have been identified t…

astro-ph.GA2025★ 15 cited

Constraints on the early Universe star formation efficiency from galaxy clustering and halo modeling of H and [O III] emitters

Marko Shuntov, Pascal A. Oesch, Sune Toft +13

We develop a theoretical framework to provide observational constraints on the early Universe galaxy-halo connection by combining measurements of the UV luminosity function (UVLF)…

astro-ph.GA2025★ 2 cited

Temporarily quiescent galaxies at cosmic dawn: probing bursty star formation

Viola Gelli, Andrea Pallottini, Stefania Salvadori +4

The bursty, time-variable nature of star formation in the first billion years, as revealed by JWST, drives phases of temporary quiescence in low-mass galaxies that quench after sta…

astro-ph.GA2024

BEACON: JWST NIRCam Pure-parallel Imaging Survey. I. Survey Design and Initial Results

Takahiro Morishita, Charlotte A. Mason, Kimi C. Kreilgaard +32

We introduce the Bias-free Extragalactic Analysis for Cosmic Origins with NIRCam (BEACON) survey, a JWST Cycle2 program allocated up to 600 pure-parallel hours of observations. BEA…

astro-ph.GA2024★ 4 cited

Linking high-z and low-z: Are We Observing the Progenitors of the Milky Way with JWST?

Elka Rusta, Stefania Salvadori, Viola Gelli +2

The recent JWST observation of the Firefly Sparkle at offers a unique opportunity to link the high- and the low- Universe. Indeed, the claim of it being a Milky Way (MW)…

astro-ph.GA2024★ 2 cited

The impact of mass-dependent stochasticity at cosmic dawn

Viola Gelli, Charlotte Mason, Christopher C. Hayward

JWST is unveiling a surprising lack of evolution in the number densities of ultraviolet-selected (UV) galaxies at redshift . At the same time, observations and simulat…

astro-ph.GA2024★ 100 cited

The JWST-PRIMAL Legacy Survey. A JWST/NIRSpec reference sample for the physical properties and Lyman- absorption and emission of galaxies at

K. E. Heintz, G. B. Brammer, D. Watson +45

One of the surprising early findings with JWST has been the discovery of a strong "roll-over" or a softening of the absorption edge of Ly in a large number of galaxies at ($z\gt…

astro-ph.GA2024★ 51 cited

Gas-phase metallicity gradients in galaxies at

G. Venturi, S. Carniani, E. Parlanti +18

The study of gas-phase metallicity and its spatial distribution at high redshift is crucial to understand the processes that shaped the growth and evolution of galaxies in the earl…

astro-ph.GA2023★ 1 cited

Can supernovae quench star formation in high- galaxies?

Viola Gelli, Stefania Salvadori, Andrea Ferrara +1

JWST is providing the unique opportunity to directly study feedback processes regulating star formation (SF) in early galaxies. The two quiescent systems (JADES-GS-z7-01-QU a…

astro-ph.GA2023★ 37 cited

Quiescent low-mass galaxies observed by JWST in the Epoch of Reionization

Viola Gelli, Stefania Salvadori, Andrea Ferrara +2

The surprising JWST discovery of a quiescent, low-mass () galaxy at redshift (JADES-GS-z7-01-QU) represents a unique opportunity to study the…