Strong Lensing by Galaxy Clusters
Galaxy clusters as gravitational lenses play a unique role in astrophysics and cosmology:
they permit mapping the dark matter distribution on a range of scales; they reveal the …
they permit mapping the dark matter distribution on a range of scales; they reveal the …
CosmoPower: emulating cosmological power spectra for accelerated Bayesian inference from next-generation surveys
We present CosmoPower, a suite of neural cosmological power spectrum emulators
providing orders-of-magnitude acceleration for parameter estimation from two-point statistics …
providing orders-of-magnitude acceleration for parameter estimation from two-point statistics …
Euclid: Cosmological forecasts from the void size function
The Euclid mission–with its spectroscopic galaxy survey covering a sky area over 15 000
deg 2 in the redshift range 0.9< z< 1.8–will provide a sample of tens of thousands of cosmic …
deg 2 in the redshift range 0.9< z< 1.8–will provide a sample of tens of thousands of cosmic …
Modelling the galaxy–halo connection with machine learning
AM Delgado, D Wadekar, B Hadzhiyska… - Monthly Notices of …, 2022 - academic.oup.com
To extract information from the clustering of galaxies on non-linear scales, we need to model
the connection between galaxies and haloes accurately and in a flexible manner. Standard …
the connection between galaxies and haloes accurately and in a flexible manner. Standard …
KiDS and Euclid: Cosmological implications of a pseudo angular power spectrum analysis of KiDS-1000 cosmic shear tomography
We present a tomographic weak lensing analysis of the Kilo Degree Survey Data Release 4
(KiDS-1000), using a new pseudo angular power spectrum estimator (pseudo-C ℓ) under …
(KiDS-1000), using a new pseudo angular power spectrum estimator (pseudo-C ℓ) under …
Quantifying the S8 tension with the Redshift Space Distortion data set
D Benisty - Physics of the Dark Universe, 2021 - Elsevier
One problem of the Λ CDM model is the tension between the S 8 found in Cosmic
Microwave Background (CMB) experiments and the smaller one obtained from large-scale …
Microwave Background (CMB) experiments and the smaller one obtained from large-scale …
Euclid. I. Overview of the Euclid mission
Y Mellier, JA Barroso, A Achúcarro, J Adamek… - arXiv preprint arXiv …, 2024 - arxiv.org
The current standard model of cosmology successfully describes a variety of measurements,
but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid …
but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid …
Euclid: Impact of non-linear and baryonic feedback prescriptions on cosmological parameter estimation from weak lensing cosmic shear
M Martinelli, I Tutusaus, M Archidiacono… - Astronomy & …, 2021 - aanda.org
Upcoming surveys will map the growth of large-scale structure with unprecented precision,
improving our understanding of the dark sector of the Universe. Unfortunately, much of the …
improving our understanding of the dark sector of the Universe. Unfortunately, much of the …
Euclid preparation-XIX. Impact of magnification on photometric galaxy clustering
F Lepori, I Tutusaus, C Viglione, C Bonvin… - Astronomy & …, 2022 - aanda.org
Aims. We investigate the importance of lensing magnification for estimates of galaxy
clustering and its cross-correlation with shear for the photometric sample of Euclid. Using …
clustering and its cross-correlation with shear for the photometric sample of Euclid. Using …
CosmoPower-JAX: high-dimensional Bayesian inference with differentiable cosmological emulators
D Piras, AS Mancini - arXiv preprint arXiv:2305.06347, 2023 - arxiv.org
We present CosmoPower-JAX, a JAX-based implementation of the CosmoPower
framework, which accelerates cosmological inference by building neural emulators of …
framework, which accelerates cosmological inference by building neural emulators of …