Challenges for ΛCDM: An update

L Perivolaropoulos, F Skara - New Astronomy Reviews, 2022 - Elsevier
A number of challenges to the standard Λ CDM model have been emerging during the past
few years as the accuracy of cosmological observations improves. In this review we discuss …

Diffuse radio emission from galaxy clusters

RJ Van Weeren, F de Gasperin, H Akamatsu… - Space Science …, 2019 - Springer
In a growing number of galaxy clusters diffuse extended radio sources have been found.
These sources are not directly associated with individual cluster galaxies. The radio …

The Simons Observatory: science goals and forecasts

P Ade, J Aguirre, Z Ahmed, S Aiola, A Ali… - … of Cosmology and …, 2019 - iopscience.iop.org
The Simons Observatory (SO) is a new cosmic microwave background experiment being
built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the …

Dark matter self-interactions and small scale structure

S Tulin, HB Yu - Physics Reports, 2018 - Elsevier
We review theories of dark matter (DM) beyond the collisionless paradigm, known as self-
interacting dark matter (SIDM), and their observable implications for astrophysical structure …

The Frontier Fields: survey design and initial results

JM Lotz, A Koekemoer, D Coe, N Grogin… - The Astrophysical …, 2017 - iopscience.iop.org
What are the faintest distant galaxies we can see with the Hubble Space Telescope (HST)
now, before the launch of the James Webb Space Telescope? This is the challenge taken …

[HTML][HTML] From galactic bars to the hubble tension: Weighing up the astrophysical evidence for milgromian gravity

I Banik, H Zhao - Symmetry, 2022 - mdpi.com
Astronomical observations reveal a major deficiency in our understanding of physics—the
detectable mass is insufficient to explain the observed motions in a huge variety of systems …

GALAXY CLUSTERS DISCOVERED VIA THE SUNYAEV–ZEL'DOVICH EFFECT IN THE 2500-SQUARE-DEGREE SPT-SZ SURVEY

LE Bleem, B Stalder, T De Haan, KA Aird… - The Astrophysical …, 2015 - iopscience.iop.org
We present a catalog of galaxy clusters selected via their Sunyaev–Zel'dovich (SZ) effect
signature from 2500 deg 2 of South Pole Telescope (SPT) data. This work represents the …

The Atacama Cosmology Telescope: Sunyaev-Zel'dovich selected galaxy clusters at 148 GHz from three seasons of data

M Hasselfield, M Hilton, TA Marriage… - … of Cosmology and …, 2013 - iopscience.iop.org
We present a catalog of 68 galaxy clusters, of which 19 are new discoveries, detected via
the Sunyaev-Zel'dovich effect (SZ) at 148 GHz in the Atacama Cosmology Telescope (ACT) …

Scaling relations for galaxy clusters in the Millennium-XXL simulation

RE Angulo, V Springel, SDM White… - Monthly Notices of …, 2012 - academic.oup.com
We present a very large high-resolution cosmological N-body simulation, the Millennium-
XXL or MXXL, which uses 303 billion particles to represent the formation of dark matter …

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 …