activity
20232026
most citedODIN: Improved Narrowband Ly Emitter Selection Techniques for = 2.4, 3.1, and 4.5

15 citations · 126 across the 54 of their papers we have counts for

collaborators

56 papers

astro-ph.GA2026

A Systematic Assessment of Total Stellar Mass Measurements with Spatially Resolved Photometry and Medium Bands at 1 < z < 9: The Impact of Mass-to-Light Variations and Outshining

Naadiyah Jagga, Adam Muzzin, Visal Sok +17

JWST NIRCam spatially resolved photometry enables studies of galaxies' stellar populations and stellar masses on sub-kpc scales. We use JWST (CANUCS, Technicolor, JUMPS) and HST da…

astro-ph.GA2026

Early steps in the hierarchical assembly of a Milky Way-mass galaxy 1 Gyr after the Big Bang

Yoshihisa Asada, Marcin Sawicki, Guillaume Desprez +14

We report JWST observations of a compact group of three strongly lensed low-mass galaxies ( each) whose small line-of-sight velo…

astro-ph.GA2026

A New Window on the Hα Luminosity Function and Star Formation Rate Density from 1.2 < z < 6.6 from JWST Medium-Band Photometry

Nicholas S. Martis, Chris Willott, Gregor Rihtaršič +23

We present the first self-consistent measurement of the Hα luminosity function over a wide redshift range, covering cosmic noon into the epoch of reionization. Our analysis utilize…

astro-ph.GA2026

Interaction-induced star formation boosts stellar mass assembly in galaxies

Kiyoaki C. Omori, Marcin Sawicki, Rosa M. Mérida +10

Galaxy interactions are a key ingredient in galaxy evolution; not only are they a primary pathway of galaxy growth and mass assembly, but also a key driver of processes such as sta…

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

A Population of Red Galaxies with Very Strong Emission Lines at Revealed by the NIRCam Medium Bands: ''Classic'' LRDs, Dusty Star-Forming Galaxies, and a Missing Population of LRDs

Sunna Withers, Adam Muzzin, Swara Ravindranath +16

The NIRCam medium-bands have proven to be efficient at identifying Emission Line Galaxies (ELGs) with high equivalent width (EW) H and [OIII]+H emission lines. In this paper…

astro-ph.GA2026

Metal-Poor Gas Accretion Drives Giant Clump Formation at 0.6 < z < 2.6

Visal Sok, Adam Muzzin, Ben Forrest +20

The physical properties of kiloparsec-scale clumps in high-redshift star-forming galaxies (SFGs) contain crucial constraints on how they assemble. Building on recent work that indi…

astro-ph.GA2026

UV-to-optical insights into the BH model in little red dots

Rosa M. Mérida, Marcin Sawicki, Chris J. Willott +2

Little Red Dots (LRDs) are a heterogeneous class of objects, with several proposed scenarios for their physical nature and evolution. While these theories have been tested on indiv…

astro-ph.GA2026

Toward Unbreaking the Universe: MINERVA Measurements of Color Gradients in Massive Quiescent Galaxies Can Help Ease Too-Early Star Formation Tensions

Sam E. Cutler, Luke Robbins, Danilo Marchesini +41

The discovery of a population of massive, ancient quiescent galaxies within the first 2 Gyr of the Universe's history has led to significant tensions with models of galaxy formatio…

astro-ph.GA2026

Testing the BH* model: A UV-to-optical spectral fitting of The Cliff

Rosa M. Mérida, Marcin Sawicki, Gaia Gaspar +2

In the BH* framework, the V-shaped SED of LRDs is produced by an accreting BH embedded in a dense neutral-gas envelope with a near-unity covering factor. This envelope reprocesses…

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

JWST Reveals Two Overmassive Black Hole Candidates in Dwarf Galaxies at z 0.7: Pushing Black Hole Searches into the Dwarf-Galaxy Regime

E. Iani, P. Rinaldi, A. Torralba +35

We report the discovery and characterization of two compact galaxies, Pelias and Neleus, at z ~ 0.71 and z ~ 0.75, identified in MACS J0416.1-2403 and GOODS-North. Both exhibit unu…

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.CO2026★ 5 cited

Mapping dark matter in the Bullet Cluster using JWST imaging and spectroscopy

Gregor Rihtaršič, Maruša Bradač, Guillaume Desprez +23

We present an updated gravitational lens model of the Bullet cluster (1E 0657-56) by combining JWST NIRCam imaging and NIRSpec spectroscopy. Although previous lens models relied on…

astro-ph.GA2025

An Ancient Descendant of the First Galaxies

Jacqueline Antwi-Danso, Adam Muzzin, Luke Robbins +18

JWST has revealed unexpectedly bright galaxies in the first 500 Myr after the Big Bang. Their overabundance suggests that they are preferentially observed during burst phases, wher…

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★ 1 cited

The Stellar Mass and Age Distributions of Star-Forming Clumps at in JWST CANUCS: Implications for Clump Formation and Destruction

Visal Sok, Adam Muzzin, Vivian Yun Yan Tan +12

We investigate the resolved properties of star-forming clumps and their host galaxies at in the JWST CANUCS fields. We find that the fraction of clumpy galaxies peaks nea…

astro-ph.GA2025

JWST Photometry of Globular Cluster Populations in MACS0417.5-1154

William E. Harris, Marta Reina-Campos, Kaitlyn E. Keatley +8

Deep JWST imaging of the massive galaxy cluster MACS0417.5-1154, at redshift z=0.443, reveals a huge population of globular clusters (GCs) and Ultra-Compact Dwarfs (UCDs) primarily…

astro-ph.GA2025★ 1 cited

No Luminous Little Red Dots: A Sharp Cutoff in Their Luminosity Function

Yilun Ma, Jenny E. Greene, Marta Volonteri +14

One of the most surprising results of early James Webb Space Telescope (JWST) observations is the discovery of an abundance of red, compact, broad-line objects dubbed "little red d…

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★ 2 cited

Star Formation under a Cosmic Microscope: Highly magnified z = 11 galaxy behind the Bullet Cluster

Maruša Bradač, Jon Judež, Chris Willott +20

We present measurements of stellar population properties of a newly discovered spectroscopically confirmed , gravitationally lensed galaxy, using JWST NIRS…

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★ 2 cited

MINERVA: A NIRCam Medium Band and MIRI Imaging Survey to Unlock the Hidden Gems of the Distant Universe

Adam Muzzin, Katherine A. Suess, Danilo Marchesini +81

We present an overview of the MINERVA survey, a 259.8 hour (prime) and 127 hour (parallel) Cycle 4 treasury program on the James Webb Space Telescope (JWST). MINERVA is obtaining 8…