New high-precision strong lensing modeling of Abell 2744-Preparing for JWST observations

P Bergamini, A Acebron, C Grillo, P Rosati… - Astronomy & …, 2023 - aanda.org
We present a new strong lensing (SL) model of the Hubble Frontier Fields (HFF) galaxy
cluster Abell 2744, at z= 0.3072, by exploiting archival Hubble Space Telescope (HST) …

JWST's PEARLS: A new lens model for ACT-CL J0102− 4915,“El Gordo,” and the first red supergiant star at cosmological distances discovered by JWST

JM Diego, AK Meena, NJ Adams, T Broadhurst… - Astronomy & …, 2023 - aanda.org
The first James Webb Space Telescope (JWST) data on the massive colliding cluster El
Gordo allow for 23 known families of multiply lensed images to be confirmed and for eight …

RELICS: reionization lensing cluster survey

D Coe, B Salmon, M Bradač, LD Bradley… - The Astrophysical …, 2019 - iopscience.iop.org
Large surveys of galaxy clusters with the Hubble Space Telescope (HST) and Spitzer,
including the Cluster Lensing And Supernova survey with Hubble and the Frontier Fields …

A stringent upper limit on dark matter self-interaction cross-section from cluster strong lensing

KE Andrade, J Fuson, S Gad-Nasr… - Monthly Notices of …, 2022 - academic.oup.com
We analyse strongly lensed images in eight galaxy clusters to measure their dark matter
density profiles in the radial region between 10 kpc and 150 kpc, and use this to constrain …

The probability of galaxy–galaxy strong lensing events in hydrodynamical simulations of galaxy clusters

M Meneghetti, A Ragagnin, S Borgani, F Calura… - Astronomy & …, 2022 - aanda.org
Context. An excess of galaxy–galaxy strong lensing (GGSL) in galaxy clusters compared to
expectations from the Λ cold-dark-matter (CDM) cosmological model has recently been …

The JWST PEARLS View of the El Gordo Galaxy Cluster and of the Structure It Magnifies

BL Frye, M Pascale, N Foo, R Leimbach… - The Astrophysical …, 2023 - iopscience.iop.org
The massive galaxy cluster El Gordo (z= 0.87) imprints multitudes of gravitationally lensed
arcs onto James Webb Space Telescope Near-Infrared Camera (NIRCam) images. Eight …

Strong lens models for 37 clusters of galaxies from the SDSS giant arcs survey

K Sharon, MB Bayliss, H Dahle… - The Astrophysical …, 2020 - iopscience.iop.org
We present strong gravitational lensing models for 37 galaxy clusters from the Sloan Digital
Sky Survey Giant Arcs Survey. We combine data from multi-band Hubble Space Telescope …

ALMA Lensing Cluster Survey: An ALMA Galaxy Signposting a MUSE Galaxy Group at z= 4.3 Behind “El Gordo”

KI Caputi, GB Caminha, S Fujimoto… - The Astrophysical …, 2021 - iopscience.iop.org
We report the discovery of a Multi Unit Spectroscopic Explorer (MUSE) galaxy group at z=
4.32 lensed by the massive galaxy cluster ACT-CL J0102-4915 (aka El Gordo) at z= 0.87 …

Dark matter in galaxy clusters: Parametric strong-lensing approach

M Limousin, B Beauchesne, E Jullo - Astronomy & Astrophysics, 2022 - aanda.org
We present a parametric strong-lensing analysis of three massive galaxy clusters for which
Hubble Space Telescope imaging is available, as well as spectroscopy of multiply imaged …

JWST PEARLS. prime extragalactic areas for reionization and lensing science: project overview and first results

RA Windhorst, SH Cohen, RA Jansen… - The Astronomical …, 2022 - iopscience.iop.org
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 …