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

171 citations · 283 across the 24 of their papers we have counts for

collaborators

26 papers

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

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.IM2026

BICEP/Keck XXII: Analysis of the South Pole Atmosphere for CMB Observations

P. A. R. Ade, Z. Ahmed, M. Amiri +92

The South Pole is among the driest sites on Earth, and the resulting high atmospheric transparency makes it an excellent site for millimeter-wave astronomical observations. Neverth…

astro-ph.GA2026

Ubiquitous Interstellar Neutral Helium Detected with JWST

Jane R. Rigby, D. Koutroumpa, M. Galeazzi +8

We report the discovery of ubiquitous neutral helium emission in sky spectra taken with JWST's NIRSpec instrument. The emission, with a wavelength of 1.0833 micron, resembles one o…

astro-ph.GA2026

PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time Domain Field VI: Multiwavelength SED Analysis

Rafael Ortiz, Francesca Civano, Rogier A. Windhorst +27

We model spectral energy distributions of 261 X-ray sources to in the North Ecliptic Pole Time Domain Field, extending prior XMM-Newton and NuSTAR analyses. Using the st…

astro-ph.GA2026

The Small-scale Structures in the Wind of Messier 82

Yucheng Guo, Timothy Heckman, Sanchayeeta Borthakur +10

Small-scale multiphase structure plays a central role in galactic-wind evolution, yet the parsec-scale morphology and excitation of the warm ionised gas remain poorly constrained.…

astro-ph.GA2026

PEARLS: JWST Counterparts of Micro-Jy Radio Sources in the NEP Time Domain Field. II. All Four Spokes

S. P. Willner, Hansung B. Gim, Maria del Carmen Polletta +18

JWST/NIRCam observations in the North Ecliptic Pole Time Domain Field (TDF) identify 4.4 micron counterparts for 206 of 211 radio sources with S(3 GHz) \gapprox 5 micro-Jy in a 65a…

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.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.CO2025★ 1 cited

SKYSURF-11: A New Zodiacal Light Model Optimized for Optical Wavelengths

Rosalia O'Brien, Richard G. Arendt, Rogier A. Windhorst +15

We present an improved zodiacal light model, optimized for optical wavelengths, using archival Hubble Space Telescope (HST) imaging from the SKYSURF program. The Kelsall et al. 199…

astro-ph.IM2025

SKYSURF VIII -- Modeling SKYSURF Completeness Data for Comparison to the Hubble Space Telescope Exposure Time Calculator

Zachary Goisman, Timothy Carleton, Seth H. Cohen +4

Accurately assessing image source completeness is critical for interpreting measurements on telescope data. Using the Wide Field Camera 3 (WFC3) and Advanced Camera for Surveys (AC…

astro-ph.IM2025★ 1 cited

SKYSURF. X. A Novel Method for Measuring Integrated Galaxy Light

Delondrae D. Carter, Timothy Carleton, Daniel J. Henningsen +19

We describe the drizzling pipeline and contents of the drizzled database for Hubble Space Telescope Cycle 27-29 Archival Legacy project "SKYSURF," the largest archival project ever…

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.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★ 15 cited

Lonely Little Red Dots: Challenges to the AGN-nature of little red dots through their clustering and spectral energy distributions

María Carranza-Escudero, Christopher J. Conselice, Nathan Adams +31

Observations with the James Webb Space Telescope (JWST) reveal a previously unseen population of compact red objects, known as ``little red dots`` (LRDs). We study a new photometri…

astro-ph.GA2025

Stellar Populations and Molecular Gas Composition in the Low-Metallicity Environment of WLM

Haylee N. Archer, Deidre A. Hunter, Bruce G. Elmegreen +8

We investigate the stellar populations and molecular gas properties of a star-forming region within the dwarf irregular (dIrr) galaxy WLM. Low-metallicity dIrrs like WLM offer a va…

astro-ph.GA2024

We Must Preserve Hubble given its Unique Complementarity to Webb, Roman, and Euclid

Rogier A. Windhorst, Gibson B. Bowling, Kevin S. Croker +17

We present compelling arguments -- focusing on galaxy science -- for preserving the main imagers and operational modes of the Hubble Space Telescope (HST) for as long as is technic…

astro-ph.CO2024

SKYSURF VI: The Impact of Thermal Variations of HST on Background Light Estimates

Isabel A. McIntyre, Timothy Carleton, Rosalia O'Brien +6

The SKYSURF project constrained extragalactic background light (EBL) and diffuse light with the vast archive of Hubble Space Telescope (HST) images. Thermal emission from HST itsel…

astro-ph.GA2024★ 2 cited

PEARLS: Discovery of Point-Source Features Within Galaxies in the North Ecliptic Pole Time Domain Field

Rafael Ortiz, Rogier A. Windhorst, Seth H. Cohen +36

The first public 0.9-4.4μm NIRCam images of the North Ecliptic Pole (NEP) Time Domain Field (TDF) uncovered galaxies displaying point-source features in their cores as seen in the…

astro-ph.HE2024★ 13 cited

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

Xiurui Zhao, Francesca Civano, Christopher N. A. Willmer +30

We present the second NuSTAR and XMM-Newton extragalactic survey of the JWST North Ecliptic Pole (NEP) Time-Domain Field (TDF). The first NuSTAR NEP-TDF survey (Zhao et al. 2021) h…

astro-ph.GA2024

TREASUREHUNT: Transients and Variability Discovered with HST in the JWST North Ecliptic Pole Time Domain Field

Rosalia O'Brien, Rolf A. Jansen, Norman A. Grogin +56

The JWST North Ecliptic Pole (NEP) Time Domain Field (TDF) is a 14 arcmin diameter field optimized for multi-wavelength time-domain science with JWST. It has been observed acros…

astro-ph.GA2023★ 23 cited

CLEAR: Survey Overview, Data Analysis and Products

Raymond C. Simons, Casey Papovich, Ivelina G. Momcheva +19

We present an overview of the CANDELS Lyman-a Emission At Reionization (CLEAR) survey. CLEAR is a 130 orbit program of the Hubble Space Telescope using the Wide Field Camera 3 (WFC…

astro-ph.IM2022★ 11 cited

SKYSURF-4: Panchromatic HST All-Sky Surface-Brightness Measurement Methods and Results

Rosalia O'Brien, Timothy Carleton, Rogier A. Windhorst +22

The diffuse, unresolved sky provides most of the photons that the Hubble Space Telescope (HST) receives, yet remains poorly understood. HST Archival Legacy program SKYSURF aims to…

astro-ph.CO2022★ 171 cited

JWST's PEARLS: Prime Extragalactic Areas for Reionization and Lensing Science: Project Overview and First Results

Rogier A. Windhorst, Seth H. Cohen, Rolf A. Jansen +82

We give an overview and describe the rationale, methods, and first results from NIRCam images of the JWST "Prime Extragalactic Areas for Reionization and Lensing Science" ("PEARLS"…