activity
20222026
most citedJWST's PEARLS: Prime Extragalactic Areas for Reionization and Lensing Science: Project Overview and First Results

171 citations · 492 across the 49 of their papers we have counts for

collaborators

51 papers

astro-ph.GA2026

EPOCHS-DR2 I: Expanded data release and properties of photometrically selected galaxies across NIRCam deep fields covering with the galfind software

Duncan Austin, Christopher J. Conselice, Thomas Harvey +14

We present the \epochstwo\ sample of star forming galaxies at produced using the \galfind\ photometric pipeline across $\sim650-740~\mathrm{arcmin}^2…

astro-ph.HE2026

PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-Domain Field IV: X-Ray Variability Analysis

Ross Silver, Francesca Civano, Xiurui Zhao +31

NuSTAR and XMM-Newton have observed the James Webb Space Telescope (JWST) North Ecliptic Pole (NEP) Time-Domain Field (TDF) for almost five contiguous years starting in 2019. In th…

astro-ph.GA2026

Sown at Cosmic Dawn: Searching for Pop III Signatures in JWST JADES He II Selected Line Emitters

Rosa Roberts, Giorgia Riley, Christopher J. Conselice +4

Population III (Pop III) stars, the first generation of metal-free stars, remain undetected, partly because entirely pristine galaxies represent a short-lived phase. We instead tar…

astro-ph.CO2026

Constraints on the Pop III Sky Surface Brightness from High-Redshift Caustic Transients in MACS0416

Jakob P. Perivolotis, Pietro Bergamini, Rogier A. Windhorst +18

Population III (Pop III) stars are hypothetical zero-metallicity stellar structures formed from primordial hydrogen and helium. They are theorized to span a wide mass range, extend…

astro-ph.GA2026

Tilting at the Turnover: Modeling the Faint-End of the UV Luminosity Function Behind Abell s1063 with JWST

Caio Moreira Goolsby, Christopher J. Conselice, Duncan Austin +6

We leverage the strong gravitational field of Abell S1063 to identify faint, highly magnified galaxies using ultra-deep James Webb Space Telescope (JWST)/NIRCam imaging from the GL…

astro-ph.GA2026

Diverse Histories and Common Origins of Nitrogen-enhanced JWST Galaxies

Vadim Rusakov, Christopher J. Conselice, Thomas Harvey +2

Early JWST spectra revealed galaxies with a strong nitrogen excess challenging galactic chemical evolution models. Using public JWST surveys, we construct a sample of 76 N/O-enhanc…

astro-ph.GA2026

Exploring biases in derived stellar parameters and the ionizing photon production efficiency

Ravi Jaiswar, Anshu Gupta, Elisabete da Cunha +8

Constraining the timescale and manner in which the Epoch of Reionization (EoR) occurred is a major JWST science goal. However, any constraints on the stellar or ionizing parameters…

astro-ph.GA2026

COSMOS-Web: Star formation along the early Hubble sequence and the evolution of dust over the redshift range 0<z<12

Stephen Eales, Matthew Smith, Tom Bakx +3

We have carried out a stacking analysis with the COSMOS-Web catalogue on one of the deepest ever SCUBA-2 images at 850 microns, allowing us to estimate the mean submillimetre flux…

astro-ph.GA2026

PEARLS: Two Distinct Populations of AGN Hosts Moving Between Star Formation and Quiescence

Gibson B. Bowling, Rafael Ortiz, S. P. Willner +29

We present the results of AGN--host-galaxy decomposition using JWST/NIRCam, HST/ACS, and HST/WFC3 imaging of the North Ecliptic Pole Time Domain Field (NEP-TDF). The light-profiles…

astro-ph.GA2026

The contribution of stars, dust, neutral gas and supermassive black holes in galaxies to the cosmic baryon inventory

Jordan C. J. D'Silva, Simon P. Driver, Aaron S. G. Robotham +5

We compute the cosmic stellar, dust and neutral gas mass history at using ProSpect spectral energy distribution modelling of galaxies in the Gal…

astro-ph.HE2025

PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-domain Field III

Ross Silver, Francesca Civano, Xiurui Zhao +28

The James Webb Space Telescope (JWST) North Ecliptic Pole (NEP) Time-Domain Field (TDF) has been monitored by NuSTAR and XMM-Newton with a regular cadence for five years starting i…

astro-ph.GA2025

The Distribution of Quenched Galaxies in the Massive z = 0.87 Galaxy Cluster El Gordo

Rachel Honor, Seth Cohen, Timothy Carleton +27

El Gordo (ACT-CL J01024915) is a massive galaxy cluster with two major mass components at redshift . Using SED fitting results from JWST/NIRCam photometry, the fraction…

astro-ph.GA2025

Dissecting Reionisation with the Cosmic Star Formation and Active Galactic Nuclei Luminosity History

Jordan C. J. D'Silva, Simon P. Driver, Claudia D. P. Lagos +23

The combination of the cosmic star formation history and active galactic nuclei (AGN) luminosity history as inferred by the James Webb Space Telescope is connected to th…

astro-ph.CO2025

SKYSURF IX -- The Cosmic Optical and Infrared Background from Integrated Galaxy Light Measurements

Scott A. Tompkins, Simon P. Driver, Aaron S. G. Robotham +15

As part of the SKYSURF Hubble Space Telescope (HST) Legacy Archival program we present galaxy number counts which yield measurements of the extragalactic background light (EBL) at…

astro-ph.HE2025

Peering into the heart of darkness with VLBA : Radio Quiet AGN in the JWST North Ecliptic Pole Time-Domain Field

Payaswini Saikia, Ramon Wrzosek, Joseph Gelfand +27

We present initial results from the 4.8 GHz Very Long Baseline Array (VLBA) survey of the JWST North Ecliptic Pole Time-Domain Field (TDF). From 106 radio sources found in the Karl…

astro-ph.GA2025

PEARLS: 21 Transients Found in the Three-Epoch NIRCam Observations in the Continuous Viewing Zone of the James Webb Space Telescope

Haojing Yan, Bangzheng Sun, Zhiyuan Ma +39

We present 21 transients from our three-epoch, four-band NIRCam observations covering 14.16 arcmin^2 in the Spitzer IRAC Dark Field (IDF), taken by the JWST Prime Extragalactic Are…

astro-ph.GA2025★ 2 cited

Galaxy-scale lens search in the PEARLS NEP TDF and CEERS JWST fields

Giovanni Ferrami, Nathan J. Adams, Lewi Westcott +14

We present four galaxy scale lenses discovered in two JWST blank-fields: the ~ 54 arcmin^2 of the PEARLS North-Ecliptic-Pole Time-Domain Field (NEP TDF) and in the ~ 90 arcmin^2 of…

astro-ph.GA2025★ 1 cited

Self-Consistent JWST Census of Star Formation and AGN activity at z=5.5-13.5

Jordan C. J. D'Silva, Simon P. Driver, Claudia D. P. Lagos +24

The cosmic star formation history (CSFH) and cosmic active galactic nuclei (AGN) luminosity history (CAGNH) are self consistently measured at . This is achieved by an…

astro-ph.GA2025★ 4 cited

JWST's PEARLS: A z=6 quasar in a train-wreck galaxy merger system

Madeline A. Marshall, Rogier A. Windhorst, Giovanni Ferrami +35

We present JWST NIRSpec integral field spectroscopy observations of the z=5.89 quasar NDWFS J1425+3254 from 0.6-5.3 microns, covering the rest-frame ultraviolet and optical at a sp…

astro-ph.GA2024★ 5 cited

Cosmic Stillness: High Quiescent Galaxy Fractions Across Upper Mass Scales in the Early Universe to z = 7 with JWST

Tobias A. Russell, Neva Dobric, Nathan J. Adams +25

We present a detailed investigation into the abundance and morphology of high redshift quenched galaxies at using James Webb Space Telescope data in the NEP, CEERS and…

astro-ph.GA2024★ 1 cited

EPOCHS XI: The Structure and Morphology of Galaxies in the Epoch of Reionization to z ~ 12.5

Lewi Westcott, Christopher J. Conselice, Thomas Harvey +29

We present a structural analysis of 521 galaxy candidates at 6.5 < z < 12.5, with in the F444W filter, taken from the EPOCHS v1 sample, consisting of uniformly reduced…

astro-ph.GA2024★ 8 cited

Galaxy Mergers in the Epoch of Reionization II: Major Merger-Triggered Star Formation and AGN Activities at 4.5-8.5

Qiao Duan, Qiong Li, Christopher J. Conselice +29

Galaxy mergers are a key driver of galaxy formation and evolution, including the triggering of AGN and star formation to a still unknown degree. We thus investigate the impact of g…

astro-ph.GA2024★ 18 cited

Extreme Ionizing Properties of Metal-Poor, Muv ~ -12 Star Complex in the first Gyr

E. Vanzella, F. Loiacono, M. Messa +38

We report the serendipitous discovery of a faint (M_UV > -12.2), low-metallicity (Z ~ 0.02 Zsun), ionizing source (dubbed T2c) with a spectroscopic redshift of z=6.146. T2c is part…

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…