activity
20112026
most citedThe Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s

178 citations · 1.6k across the 43 of their papers we have counts for

collaborators

43 papers

astro-ph.GA2026

Bright Galaxies at Cosmic Dawn: A Cloud-Scale Star Formation Model Unifying Variable SFE, IMFs, and Stochasticity

Elie Cueto, Anne Hutter

To investigate the origins of the high abundance of UV-bright galaxies at z > 10, we present a new semi-analytic model that bridges the gap between small-scale star formation physi…

astro-ph.GA2025

Exploring Cosmic Dawn with PANORAMIC II: Cosmic Variance and Galaxy Clustering at

Andrea Weibel, Christian Kragh Jespersen, Pascal A. Oesch +10

Observational campaigns with JWST have revealed a higher-than-expected abundance of UV-bright galaxies at , with various proposed theoretical explanations. A powerful c…

astro-ph.GA2024★ 16 cited

PANORAMIC: Discovery of an Ultra-Massive Grand-Design Spiral Galaxy at

Mengyuan Xiao, Christina C. Williams, Pascal A. Oesch +26

We report the discovery of an ultra-massive grand-design red spiral galaxy, named Zhúlóng (Torch Dragon), at in the JWST PANORAMIC survey, identi…

astro-ph.GA2024★ 11 cited

Mapping reionization bubbles in the JWST era I: empirical edge detection with Lyman alpha emission from galaxies

Ting-Yi Lu, Charlotte A. Mason, Andrei Mesinger +7

Ionized bubble sizes during reionization trace physical properties of the first galaxies. JWST's ability to spectroscopically confirm and measure Lyman-alpha (Ly) emission in su…

astro-ph.GA2024★ 1 cited

The PANORAMIC Survey: Pure Parallel Wide Area Legacy Imaging with JWST/NIRCam

Christina C. Williams, Pascal A. Oesch, Andrea Weibel +15

We present the PANORAMIC survey, a pure parallel extragalactic imaging program with NIRCam observed during JWST Cycle 1. The survey obtained 530 sq arcmin of NIRCam imaging f…

astro-ph.GA2024

Astraeus X: Indications of a top-heavy initial mass function in highly star-forming galaxies from JWST observations at z>10

Anne Hutter, Elie R Cueto, Pratika Dayal +3

The James Webb Space Telescope (JWST) has uncovered an abundance of galaxies bright in the ultraviolet (UV) that has challenged traditional theoretical models at high redshi…

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★ 19 cited

Anatomy of an ionized bubble: NIRCam grism spectroscopy of the double-peaked Lyman- emitter COLA1 and its environment

Alberto Torralba-Torregrosa, Jorryt Matthee, Rohan P. Naidu +10

The increasingly neutral intergalactic gas at impacts the Lyman- flux observed from galaxies. One luminous galaxy, COLA1, stands out because of its unique double-peaked Ly…

astro-ph.GA2023★ 56 cited

The impact of an evolving stellar initial mass function on early galaxies and reionisation

Elie Rasmussen Cueto, Anne Hutter, Pratika Dayal +5

Observations with JWST have revealed an unexpected high abundance of bright z>10 galaxy candidates. We explore whether a stellar initial mass function (IMF) that becomes increasing…

astro-ph.CO2023★ 14 cited

On the general nature of 21cm-Lyman- emitters cross-correlations during reionisation

Anne Hutter, Caroline Heneka, Pratika Dayal +4

We explore how the characteristics of the cross-correlation functions between the 21cm emission from the spin-flip transition of neutral hydrogen (HI) and early Lyman- (Ly) r…

astro-ph.GA2023★ 17 cited

Extreme damped Lyman- absorption in young star-forming galaxies at

Kasper E. Heintz, Darach Watson, Gabriel Brammer +18

The onset of galaxy formation is thought to be initiated by the infall of neutral, pristine gas onto the first protogalactic halos. However, direct constraints on the abundance of…

astro-ph.GA2023★ 6 cited

The reionising bubble size distribution around galaxies

Ting-Yi Lu, Charlotte Mason, Anne Hutter +4

Constraining when and how reionisation began is pivotal for understanding when the first galaxies formed. Lyman-alpha (Ly) emission from galaxies is currently our most promising…

astro-ph.GA2022★ 7 cited

Dilution of chemical enrichment in galaxies 600 Myr after the Big Bang

Kasper E. Heintz, Gabriel B. Brammer, Clara Giménez-Arteaga +10

Galaxies throughout the last 12 Gyr of cosmic time follow a single, universal relation that connects their star-formation rates (SFRs), stellar masses () and chemical abun…

astro-ph.GA2022★ 18 cited

Astraeus VIII: A new framework for Lyman- emitters applied to different reionisation scenarios

Anne Hutter, Maxime Trebitsch, Pratika Dayal +3

We use the {\sc astraeus} framework to investigate how the visibility and spatial distribution of Lyman- (Ly) emitters (LAEs) during reionisation is sensitive to a halo mass-…

astro-ph.GA2022★ 6 cited

Astraeus VII: The environmental-dependent assembly of galaxies in the Epoch of Reionization

Laurent Legrand, Pratika Dayal, Anne Hutter +3

Using the ASTRAEUS (semi-numerical rAdiative tranSfer coupling of galaxy formaTion and Reionization in N-body dark matter simUlationS) framework, we explore the impact of environme…

astro-ph.GA2022

The ionizing properties of two bright Ly emitters in the BDF reionized bubble at z=7

M. Castellano, L. Pentericci, G. Cupani +17

We investigate the ionizing properties of the pair of bright Ly emitting galaxies BDF521 and BDF2195 at z=7.012 in order to constrain their contribution to the formation of the…

astro-ph.GA2022★ 51 cited

The ALMA REBELS Survey: Efficient Ly Transmission of UV-Bright z7 Galaxies from Large Velocity Offsets and Broad Line Widths

Ryan Endsley, Daniel P. Stark, Rychard J. Bouwens +19

Recent work has shown that UV-luminous reionization-era galaxies often exhibit strong Lyman-alpha emission despite being situated at redshifts where the IGM is thought to be substa…

astro-ph.GA2022★ 19 cited

Astraeus VI: Hierarchical assembly of AGN and their large-scale effect during the Epoch of Reionization

Maxime Trebitsch, Anne Hutter, Pratika Dayal +3

In this work, the sixth of a series, we use the ASTRAEUS (semi-numerical rAdiative tranSfer coupling of galaxy formaTion and Reionization in N-body dark matter simUlationS) framewo…

astro-ph.GA2021★ 45 cited

The Prevalence of Galaxy Overdensities Around UV-Luminous Lyman Emitters in the Epoch of Reionization

E. Leonova, P. A. Oesch, Y. Qin +19

Before the end of the epoch of reionization, the Hydrogen in the Universe was predominantly neutral. This leads to a strong attenuation of Ly lines of galaxies in th…

astro-ph.GA2021★ 109 cited

A Search for H-Dropout Lyman Break Galaxies at z~12-16

Yuichi Harikane, Akio K. Inoue, Ken Mawatari +11

We present two bright galaxy candidates at z~12-13 identified in our H-dropout Lyman break selection with 2.3 deg2 near-infrared deep imaging data. These galaxy candidates, selecte…

astro-ph.GA2021★ 42 cited

Astraeus V: The emergence and evolution of metallicity scaling relations during the Epoch of Reionization

Graziano Ucci, Pratika Dayal, Anne Hutter +6

In this work, we have implemented a detailed physical model of galaxy chemical enrichment into the (semi-numerical rAdiative tranSfer coupling of galaxy formaTion…

astro-ph.GA2021★ 24 cited

AstraeusIV : Quantifying the star formation histories of galaxies in the Epoch of Reionization

Laurent Legrand, Anne Hutter, Pratika Dayal +3

We use the \textsc{astraeus} framework, that couples an N-body simulation with a semi-analytic model for galaxy formation and a semi-numerical model for reionization, to quantify t…

astro-ph.GA2021★ 136 cited

Normal, Dust-Obscured Galaxies in the Epoch of Reionization

Y. Fudamoto, P. A. Oesch, S. Schouws +26

Over the past decades, rest-frame ultraviolet (UV) observations have provided large samples of UV luminous galaxies at redshift (z) greater than 6, during the so-called epoch of re…

astro-ph.CO2021★ 7 cited

Constraining the 21cm brightness temperature of the IGM at =6.6 around LAEs with the Murchison Widefield Array

Cathryn M. Trott, C. H. Jordan, J. L. B. Line +29

The locations of Ly- emitting galaxies (LAEs) at the end of the Epoch of Reionisation (EoR) are expected to correlate with regions of ionised hydrogen, traced by the redshifted…