activity
20232026
most citedCANUCS: Constraining the MACS J0416.1-2403 Strong Lensing Model with JWST NIRISS, NIRSpec and NIRCam

15 citations · 58 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph.GA2026

Resolved Ages and Stellar Metallicities in Progenitors of Milky Way Analogs: A Closer Look at their Star Formation Histories since

Vivian Yun Yan Tan, Adam Muzzin, Naadiyah Jagga +12

We present the evolution of the resolved mass-weighted age, stellar metallicity, and sSFR of 872 Milky Way Analog (MWA) progenitors up to redshift from the Canadian Unbiased…

astro-ph.GA2026

CANUCS/Technicolor Data Release 2: A Catalogue of Galaxy Structural Parameters in up to 29 HST+JWST bands and a Multi-Wavelength Exploration of the Galaxy Size-Mass Relation at

Maya Merchant, Lamiya A. Mowla, Georgios E. Magdis +23

We present James Webb Space Telescope (JWST) results of a morphological study of galaxies in the CAnadian NIRISS Unbiased Cluster (CANUCS) and Technicolor surveys, observed in 19 m…

astro-ph.GA2026

Two Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Ultra-cool Brown Dwarfs

Maruša Bradač, Chris Willott, Yoshihisa Asada +37

From the onset of observations of JWST we have discovered unexpectedly luminous galaxies at redshifts and as high as . With their discovery, the question immediately f…

astro-ph.GA2026

UV slopes of Starforming Galaxies in Strong Lensing fields at the Epoch of Reionization with JWST

Giordano Felicioni, Maruša Bradač, Yoshihisa Asada +20

UV slopes () are a powerful diagnostics for galaxies at the Epoch of Reionization, tracing star formation, ISM ionization, and the escape fraction of ionizing photons.…

astro-ph.GA2025★ 1 cited

The rise and fall of Little Red Dots could be driven by the environment

Rosa M. Mérida, Gaia Gaspar, Yoshihisa Asada +9

The Little Red Dot (LRD) paradigm comprises three main unknowns that are intrinsically connected: (1) What is the nature of these sources? (2) How do they form? (3) How do they evo…

astro-ph.GA2025★ 5 cited

Probing the Star Formation Main Sequence down to 10 at

Rosa M. Mérida, Marcin Sawicki, Kartheik G. Iyer +12

The Main Sequence of Star-Forming Galaxies (SFGMS or MS) is a fundamental scaling relation that provides a global framework for studying galaxy formation and evolution, as well as…

astro-ph.GA2025

Metal-Poor Star-Forming Clumps in Cosmic Noon Galaxies: Evidence for Gas Inflow and Chemical Dilution Using JWST NIRISS

Vicente Estrada-Carpenter, Marcin Sawicki, Roberto Abraham +16

The formation and evolution of galaxies are intricately linked to the baryon cycle, which fuels star formation while shaping chemical abundances within galaxies. Investigating the…

astro-ph.GA2025★ 1 cited

A deep dive down the broad-line region: permitted OI, CaII and FeII emission in an AGN Little Red Dot at z=5.3

Roberta Tripodi, Maruša Bradač, Francesco D'Eugenio +27

We present a spectroscopic analysis of a broad-line active galactic nucleus (AGN) selected as little red dot at behind the Bullet cluster (Bz5.3), based on JWST/NIRCam an…

astro-ph.GA2025★ 1 cited

CANUCS/Technicolor Data Release 1: Imaging, Photometry, Slit Spectroscopy, and Stellar Population Parameters

Ghassan T. E. Sarrouh, Yoshihisa Asada, Nicholas S. Martis +44

We present the first data release of the CAnadian NIRISS Unbiased Cluster Survey (CANUCS), a JWST Cycle 1 GTO program targeting 5 lensing clusters and flanking fields in parallel (…

astro-ph.GA2025

CANUCS/Technicolor: JWST Medium Band Photometry Finds Half of the Star Formation at is Obscured

Nicholas Martis, Sunna Withers, Giordano Felicioni +19

We present a sample of 146 high-redshift () galaxies from the CANUCS/Technicolor surveys, showcasing photometry in every wide- and medium-band NIRCam filter in addition to a…

astro-ph.GA2025★ 7 cited

Possible environmental quenching in an interacting little red dot pair at

Rosa M. Mérida, Gaia Gaspar, Marcin Sawicki +14

We report the discovery of a group of galaxies that contains two little red dots (LRDs) just 3.3 kpc apart, along with three potential satellite galaxies, as part of the C…

astro-ph.GA2024★ 7 cited

Red, hot, and very metal poor: extreme properties of a massive accreting black hole in the first 500 Myr

Roberta Tripodi, Nicholas Martis, Vladan Markov +29

The James Webb Space Telescope (JWST) has recently discovered a new population of objects at high redshift referred to as `Little Red Dots' (LRDs). Their nature currently remains e…

astro-ph.CO2024★ 15 cited

CANUCS: Constraining the MACS J0416.1-2403 Strong Lensing Model with JWST NIRISS, NIRSpec and NIRCam

Gregor Rihtaršič, Maruša Bradač, Guillaume Desprez +18

(Abridged) The strong lensing models of galaxy clusters rely on the number and quality of multiple images with spectroscopic redshifts. We present an updated strong lensing model o…

astro-ph.GA2024

CANUCS: An Updated Mass and Magnification Model of Abell 370 with JWST

Rachel Gledhill, Victoria Strait, Guillaume Desprez +9

We report an updated mass and magnification model of galaxy cluster Abell 370 using new NIRCam and NIRISS data from the CAnadian NIRISS Unbiased Cluster Survey (CANUCS). Using Lens…

astro-ph.GA2024★ 14 cited

The Firefly Sparkle: The Earliest Stages of the Assembly of A Milky Way-type Galaxy in a 600 Myr Old Universe

Lamiya Mowla, Kartheik Iyer, Yoshihisa Asada +19

The most distant galaxies detected by JWST are assembling in a Universe that is less than 5\% of its present age. At these times, the progenitors of galaxies like the Milky Way are…

astro-ph.GA2024★ 2 cited

Modelling and Subtracting Diffuse Cluster Light in JWST Images: A Relation between the Spatial Distribution of Globular Clusters, Dwarf Galaxies, and Intracluster Light in the Lensing Cluster SMACS 0723

Nicholas S. Martis, Ghassan T. E. Sarrouh, Chris J. Willott +9

We present a methodology for modeling and removing light from cluster galaxies and intracluster light (ICL) from () images of gravitational le…

astro-ph.GA2023★ 5 cited

An extremely compact, low-mass post-starburst galaxy at

Victoria Strait, Gabriel Brammer, Adam Muzzin +15

We report the discovery of a low-mass galaxy that is in the process of ceasing its star formation. The galaxy, MACS0417-z5PSB, is multiply imaged with magnificat…