Cosmology from cosmic shear power spectra with Subaru Hyper Suprime-Cam first-year data

C Hikage, M Oguri, T Hamana, S More… - Publications of the …, 2019 - academic.oup.com
We measure cosmic weak lensing shear power spectra with the Subaru Hyper Suprime-
Cam (HSC) survey first-year shear catalog covering 137 deg2 of the sky. Thanks to the high …

Hyper Suprime-Cam Year 3 results: Cosmology from cosmic shear two-point correlation functions

X Li, T Zhang, S Sugiyama, R Dalal, R Terasawa… - Physical Review D, 2023 - APS
We perform a blinded cosmology analysis with cosmic shear two-point correlation functions
measured from more than 25 million galaxies in the Hyper Suprime-Cam three-year shear …

Cosmological constraints from cosmic shear two-point correlation functions with HSC survey first-year data

T Hamana, M Shirasaki, S Miyazaki… - Publications of the …, 2020 - academic.oup.com
We present measurements of cosmic shear two-point correlation functions (TPCFs) from
Hyper Suprime-Cam Subaru Strategic Program (HSC) first-year data, and derive …

Cosmological probes of structure growth and tests of gravity

J Hou, J Bautista, M Berti, C Cuesta-Lazaro… - Universe, 2023 - mdpi.com
The current standard cosmological model is constructed within the framework of general
relativity with a cosmological constant Λ, which is often associated with dark energy, and …

Dark energy survey year 3 results: Cosmology with peaks using an emulator approach

D Zürcher, J Fluri, R Sgier, T Kacprzak… - Monthly Notices of …, 2022 - academic.oup.com
We constrain the matter density Ωm and the amplitude of density fluctuations σ8 within the
ΛCDM cosmological model with shear peak statistics and angular convergence power …

Cosmic shear cosmology beyond two-point statistics: a combined peak count and correlation function analysis of DES-Y1

J Harnois-Déraps, N Martinet, T Castro… - Monthly Notices of …, 2021 - academic.oup.com
We constrain cosmological parameters from a joint cosmic shear analysis of peak-counts
and the two-point shear correlation functions, as measured from the Dark Energy Survey …

Cosmological constraints with deep learning from KiDS-450 weak lensing maps

J Fluri, T Kacprzak, A Lucchi, A Refregier, A Amara… - Physical Review D, 2019 - APS
Convolutional neural networks (CNNs) have recently been demonstrated on synthetic data
to improve upon the precision of cosmological inference. In particular, they have the …

Non-Gaussian information from weak lensing data via deep learning

A Gupta, JMZ Matilla, D Hsu, Z Haiman - Physical Review D, 2018 - APS
Weak lensing maps contain information beyond two-point statistics on small scales. Much
recent work has tried to extract this information through a range of different observables or …

Cosmology constraints from shear peak statistics in Dark Energy Survey Science Verification data

T Kacprzak, D Kirk, O Friedrich, A Amara… - Monthly Notices of …, 2016 - academic.oup.com
Shear peak statistics has gained a lot of attention recently as a practical alternative to the
two-point statistics for constraining cosmological parameters. We perform a shear peak …

KiDS-450: cosmological constraints from weak-lensing peak statistics – II: Inference from shear peaks using N-body simulations

N Martinet, P Schneider, H Hildebrandt… - Monthly Notices of …, 2018 - academic.oup.com
We study the statistics of peaks in a weak-lensing reconstructed mass map of the first 450
deg2 of the Kilo Degree Survey (KiDS-450). The map is computed with aperture masses …