activity
20172026
most citedA Long Time Ago in a Galaxy Far, Far Away: A Candidate z ~ 12 Galaxy in Early JWST CEERS Imaging

350 citations · 2.5k across the 92 of their papers we have counts for

collaborators

100 papers

astro-ph.GA2026

Is Morphology All You Need? Quantifying Imprints of Past Star Formation in the Present-Day Morphologies of Galaxies

Juan Pablo Alfonzo, Kartheik G. Iyer, Masayuki Akiyama +10

The next generation of galaxy surveys will bring a plethora of new observations, a vast majority of which will be observed with a few photometric broadbands, limiting the informati…

astro-ph.GA2026

: An ultra-luminous, radio-loud, Compton-thick AGN at hiding in plain sight revealed by MINERVA multi-band MIRI observations

Aidan P. Cloonan, Edgar P. Vidal, Alexandra Pope +33

Heavily dust-obscured active galactic nuclei (AGN) are crucial for understanding supermassive black hole growth. Using multi-band MIRI photometry from the MINERVA survey, we report…

astro-ph.GA2026

Untangling Similarities and Differences in Star Formation Histories Across Cosmological Simulations

Alicia M. Savelli, Matthew A. Kustec, Joshua S. Speagle +5

How galaxies assemble depends on processes ranging from small-scale baryonic physics to large-scale cosmological assembly, which are difficult to disentangle with observations alon…

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

The Roman eXtreme Deep Field (RXDF)

Haojing Yan, Anton M. Koekemoer, Yue Shen +127

The Roman eXtreme Deep Field (RXDF) program is one of the five General Astrophysics Survey (GAS) programs approved for observing time with the Nancy Grace Roman Space Telescope in…

astro-ph.GA2026

OutThere Survey: Addressing and with a population of average galaxies at z2

Ravi Jaiswar, Anshu Gupta, Elisabete da Cunha +24

Constraining the major contributors to the ionisation of the early universe is an ongoing endeavour of high-redshift galaxy research. We measure the ionising photon production effi…

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

HETDEX: Star Formation Stochasticity Diagram of Lyman Alpha Emitting Galaxies at Cosmic Noon Confirms Three Archetypes

Nicole Firestone, Eric Gawiser, Kartheik G. Iyer +14

In this work, we aim to measure the star formation stochasticity of Lyman Alpha Emitting Galaxies (LAEs) at Cosmic Noon. We identify 270 LAEs from the HETDEX Survey in the COSMOS f…

astro-ph.IM2026

How to Craft the Right Language AI Policy For Your Research Group (Some Assembly Required)

Michelle Ntampaka, S. Burke-Spolaor, Ioana Ciucă +14

Language AI is rapidly becoming part of the astronomy research ecosystem, prompting research teams to develop policies governing its use. But resources and advice for AI adoption a…

astro-ph.GA2026

BlastBerries: How Supernovae Affect Lyman Continuum Escape Fractions and Ionizing Photon Production in Local Analogs of High-Redshift Galaxies

Miranda Y. Kong, David O. Jones, Nicole E. Drakos +16

While compact, star-forming galaxies are believed to play a key role in cosmic reionization, the physical mechanisms enabling the escape of ionizing photons through the galactic in…

astro-ph.GA2026

It's More Complicated Than You Think: A Forward Model to Infer the Recent Star Formation History, Bursty or Not, of Galaxy Populations

Emilie Burnham, Bingjie Wang, Joel Leja +14

Observations of the early Universe (z > 4) with the James Webb Space Telescope reveal galaxy populations with a wide range of intrinsic luminosities and colors. Bursty star formati…

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

Searching Within Galaxies for the Earliest Signs of Quenching With Spatially Resolved Star Formation Histories in UVCANDELS Galaxies at z< 0.3

Charlotte Olsen, Eric Gawiser, Charlotte Welker +18

Understanding the complicated processes that regulate star formation and cause a galaxy to become quiescent is key to our comprehension of galaxy evolution. We used eight well reso…

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

How does feedback affect the star formation histories of galaxies?

Kartheik G. Iyer, Tjitske K. Starkenburg, Greg L. Bryan +20

Star formation in galaxies is regulated by the interplay of a range of processes that shape the multiphase gas in the interstellar and circumgalactic media. Using the CAMELS suite…

cs.CL2025

From Queries to Criteria: Understanding How Astronomers Evaluate LLMs

Alina Hyk, Kiera McCormick, Mian Zhong +7

There is growing interest in leveraging LLMs to aid in astronomy and other scientific research, but benchmarks for LLM evaluation in general have not kept pace with the increasingl…

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…

astro-ph.GA2025

Earliest Galaxy Evolution in the CANUCS+Technicolor fields: Galaxy Properties at seen with the Full NIRCam Medium and Broad Band Filters

Yoshihisa Asada, Chris Willott, Adam Muzzin +18

We present a sample of galaxies by exploiting one of the richest JWST NIRCam imaging data, taken in the CANUCS survey in Cycle 1 and the Technicolor (TEC) s…

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.IM2025★ 2 cited

Synthesizer: Synthetic Observables For Modern Astronomy

Will J. Roper, Christopher Lovell, Aswin Vijayan +12

Synthesizer is a fast, flexible, modular, and extensible Python package that empowers astronomers to turn theoretical galaxy models into realistic synthetic observations - includin…

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…

cs.CL2025★ 2 cited

A Survey on Hypothesis Generation for Scientific Discovery in the Era of Large Language Models

Atilla Kaan Alkan, Shashwat Sourav, Maja Jablonska +14

Hypothesis generation is a fundamental step in scientific discovery, yet it is increasingly challenged by information overload and disciplinary fragmentation. Recent advances in La…