activity
20192026
most citedAn Atlas of MUSE Observations towards Twelve Massive Lensing Clusters

144 citations · 776 across the 27 of their papers we have counts for

collaborators

30 papers

astro-ph.GA2026

SCALES. II. The Internal Composition of Giant Star-Forming Clumps at

Boris S. Kalita, Adélaïde Claeyssens, Luis C. Ho +12

Star-forming structures of scale , dubbed 'giant' star-forming clumps, are routinely detected in unlensed surveys of galaxies. Two scenarios are us…

astro-ph.GA2026

SCALES. I. Bridging Lensed Clump - Giant Clump Scales in Lensed Galaxies at

Boris S. Kalita, Adélaïde Claeyssens, Luis C. Ho +12

Dense star-forming regions in galaxies, often termed 'clumps', have been studied across two distinct regimes of telescope resolution, each motivating interpretations in tensi…

astro-ph.GA2026★ 2 cited

A first GLIMPSE into star clusters populations across cosmic time

Adélaïde Claeyssens, Angela Adamo, Vasily Kokorev +12

We present the first sample of 222 high-redshift (z>0.5) star clusters, detected with JWST/NIRCam in 78 magnified galaxies from different galaxy cluster fields. The majority of the…

astro-ph.GA2025

GLIMPSE-D: An Exotic Balmer-Jump Object at z=6.20? Revisiting Photometric Selection and the Cosmic Abundance of Pop III Galaxies

Seiji Fujimoto, Yoshihisa Asada, Rohan P. Naidu +19

We present deep JWST/NIRSpec G395M spectroscopy of GLIMPSE-16043, a promising Pop III candidate originally identified through NIRCam photometry as having weak [OIII]$λ\lam…

astro-ph.GA2025★ 3 cited

JWST's GLIMPSE: an overview of the deepest probe of early galaxy formation and cosmic reionization

Hakim Atek, John Chisholm, Vasily Kokorev +44

We present an overview of the JWST GLIMPSE program, highlighting its survey design, primary science goals, gravitational lensing models, and first results. GLIMPSE provides ultra-d…

astro-ph.GA2025★ 11 cited

The first GLIMPSE of the faint galaxy population at Cosmic Dawn with JWST: The evolution of the ultraviolet luminosity function across z~9-15

Iryna Chemerynska, Hakim Atek, Lukas J. Furtak +27

Using ultra-deep JWST NIRCam imaging from the GLIMPSE Survey, enhanced by gravitational lensing of the AbellS1063 cluster, we investigate the faintest galaxies ever observed in the…

astro-ph.GA2025★ 2 cited

The dynamical evolution of the stellar clumps in the Sparkler galaxy

Eric Giunchi, Federico Marinacci, Carlo Nipoti +4

Recent JWST observations detected stellar clumps around the z=1.4 gravitationally lensed Sparkler galaxy (of stellar mass ), with ages and metallici…

astro-ph.GA2025★ 9 cited

JWST spectroscopic confirmation of the Cosmic Gems arc at z=9.625 -- Insights into the small scale structure of a post-burst system

M. Messa, E. Vanzella, F. Loiacono +30

We present JWST/NIRSpec integral field spectroscopy of the Cosmic Gems arc, strongly magnified by the galaxy cluster SPT-CL J06155746. Six-hour integration using NIRSpec prism s…

astro-ph.GA2025★ 9 cited

The z = 9.625 Cosmic Gems Galaxy was a "Compact Blue Monster" Propelled by Massive Star Clusters

E. Vanzella, M. Messa, A. Adamo +36

The recent discovery of five massive stellar clusters at z=9.625 in the Cosmic Gems has raised the question about the formation mechanism of star clusters in the first half Gyr aft…

astro-ph.GA2025★ 3 cited

GLIMPSE: An ultra-faint 10 Pop III Galaxy Candidate and First Constraints on the Pop III UV Luminosity Function at

Seiji Fujimoto, Rohan P. Naidu, John Chisholm +32

Detecting the first generation of stars, Population III (PopIII), has been a long-standing goal in astrophysics, yet they remain elusive even in the JWST era. Here we present a nov…

astro-ph.GA2024★ 1 cited

Tracing star formation across cosmic time at tens of parsec-scales in the lensing cluster field Abell 2744

Adélaïde Claeyssens, Angela Adamo, Matteo Messa +5

We present a sample of 1956 individual stellar clumps at redshift 0.7<z<10, detected with JWST/NIRCam in 476 galaxies lensed by the galaxy cluster Abell2744. The lensed clumps pres…

astro-ph.GA2024★ 6 cited

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…

astro-ph.GA2024★ 27 cited

Anatomy of a z=6 Lyman-α emitter down to parsec scales: extreme UV slopes, metal-poor regions and possibly leaking star clusters

Matteo Messa, E. Vanzella, F. Loiacono +31

We present a detailed JWST/NIRSpec and NIRCam analysis of a gravitationally-lensed galaxy () at redshift 6.14 magnified by the Hubble Frontier Field galaxy cluster MAC…

astro-ph.IM2024★ 2 cited

The Blue Multi Unit Spectroscopic Explorer (BlueMUSE) on the VLT: science drivers and overview of instrument design

Johan Richard, Rémi Giroud, Florence Laurent +47

BlueMUSE is a blue-optimised, medium spectral resolution, panoramic integral field spectrograph under development for the Very Large Telescope (VLT). With an optimised transmission…

astro-ph.GA2024

The MUSE eXtremely Deep Field: Detections of circumgalactic SiII* emission at z>~2

Haruka Kusakabe, Valentin Mauerhofer, Anne Verhamme +17

The circumgalactic medium (CGM) serves as a baryon reservoir that connects galaxies to the intergalactic medium and fuels star formation. The spatial distribution of the metal-enri…

astro-ph.GA2024

Properties of the brightest young stellar clumps in extremely lensed galaxies at redshifts 4 to 5

Matteo Messa, Miroslava Dessauges-Zavadsky, Angela Adamo +2

We study the populations of stellar clumps in three high-redshift galaxies, at z=4.92, 4.88 and 4.03, gravitationally lensed by the foreground galaxy clusters MS1358, RCS0224 and M…

astro-ph.GA2024

Galaxy main sequence and properties of low-mass Lyman-alpha Emitters towards reionisation viewed by VLT/MUSE and JWST/NIRCam

I. Goovaerts, R. Pello, D. Burgarella +11

Faint, star-forming galaxies likely play a dominant role in cosmic reionisation. Strides have been made in recent years to characterise these populations at high redshifts ().…

astro-ph.GA2024★ 6 cited

Bound star clusters observed in a lensed galaxy 460 Myr after the Big Bang

Angela Adamo, Larry D. Bradley, Eros Vanzella +25

The Cosmic Gems arc is among the brightest and highly magnified galaxies observed at redshift . However, it is an intrinsically UV faint galaxy, in the range of those no…

astro-ph.GA2023★ 12 cited

Evolution of the Lyman-α emitting fraction and UV properties of lensed star-forming galaxies between 2.9 < z < 6.7

Ilias Goovaerts, Roser Pello, Tran Thi Thai +6

Faint galaxies are theorised to have played a major role in reionising the Universe. Their properties as well as the Lyman-α emitter fraction, could provide useful insight into thi…

astro-ph.GA2023★ 22 cited

The Ages and Metallicities of the Globular Clusters in the Sparkler

Angela Adamo, Christopher Usher, Joel Pfeffer +1

JWST observations of the strongly lensed galaxy The Sparkler have revealed a population of gravitationally bound globular cluster (GC) candidates. Different analyses have resulted…

astro-ph.CO2023

A new step forward in realistic cluster lens mass modelling: Analysis of Hubble Frontier Field Cluster Abell S1063 from joint lensing, X-ray and galaxy kinematics data

Benjamin Beauchesne, Benjamin Clément, Pascale Hibon +14

We present a new method to simultaneously/self-consistently model the mass distribution of galaxy clusters that combines constraints from strong lensing features, X-ray emission an…

astro-ph.GA2022★ 133 cited

JWST/NIRCam Probes Young Star Clusters in the Reionization Era Sunrise Arc

E. Vanzella, A. Claeyssens, B. Welch +27

Star cluster formation in the early universe and their contribution to reionization remains to date largely unconstrained. Here we present JWST/NIRCam imaging of the most highly ma…

astro-ph.GA2022★ 120 cited

Star formation at the smallest scales; A JWST study of the clump populations in SMACS0723

Adélaïde Claeyssens, Angela Adamo, Johan Richard +3

We present the clump populations detected in 18 lensed galaxies at redshifts 1 to 8.5 within the lensing cluster field SMACS0723. The recent JWST Early Release Observations of this…

astro-ph.GA2022★ 7 cited

Precision modeling of JWST's first cluster lens SMACSJ0723.3-7327

Guillaume Mahler, Mathilde Jauzac, Johan Richard +12

Exploiting the fundamentally achromatic nature of gravitational lensing, we present a lens model for the massive galaxy cluster SMACSJ0723.3-7323 (SMACSJ0723, z=0.388) that signifi…