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 …

Full-sky gravitational lensing simulation for large-area galaxy surveys and cosmic microwave background experiments

R Takahashi, T Hamana, M Shirasaki… - The Astrophysical …, 2017 - iopscience.iop.org
We present 108 full-sky gravitational lensing simulation data sets generated by performing
multiple-lens plane ray-tracing through high-resolution cosmological N-body simulations …

Constraints on the Mass–Richness Relation from the Abundance and Weak Lensing of SDSS Clusters

R Murata, T Nishimichi, M Takada… - The Astrophysical …, 2018 - iopscience.iop.org
We constrain the scaling relation between optical richness (λ) and halo mass (M) for a
sample of Sloan Digital Sky Survey (SDSS) red-sequence Matched-filter Probabilistic …

Fitting the nonlinear matter bispectrum by the Halofit approach

R Takahashi, T Nishimichi, T Namikawa… - The Astrophysical …, 2020 - iopscience.iop.org
We provide a new fitting formula of the matter bispectrum in the nonlinear regime calibrated
by high-resolution cosmological N-body simulations of 41 cold dark matter (wCDM, w …

The integrated three-point correlation function of cosmic shear

A Halder, O Friedrich, S Seitz… - Monthly Notices of the …, 2021 - academic.oup.com
We present the integrated three-point shear correlation function i ζ±–a higher order statistic
of the cosmic shear field–which can be directly estimated in wide-area weak lensing surveys …

Agora: Multicomponent simulation for cross-survey science

Y Omori - Monthly Notices of the Royal Astronomical Society, 2024 - academic.oup.com
Next-generation cosmological surveys will observe large portions of the sky, with significant
overlap between them. Multi-wavelength observations will enable us to analyse the same …

Response approach to the integrated shear 3-point correlation function: the impact of baryonic effects on small scales

A Halder, A Barreira - Monthly Notices of the Royal Astronomical …, 2022 - academic.oup.com
The integrated shear 3-point correlation function ζ±is a higher-order statistic of the cosmic
shear field that describes the modulation of the 2-point correlation function ξ±by long …

Beyond 3× 2-point cosmology: the integrated shear and galaxy 3-point correlation functions

A Halder, Z Gong, A Barreira, O Friedrich… - … of Cosmology and …, 2023 - iopscience.iop.org
We present the integrated 3-point correlation functions (3PCF) involving both the cosmic
shear and the galaxy density fields. These are a set of higher-order statistics that describe …

The PDF perspective on the tracer-matter connection: Lagrangian bias and non-Poissonian shot noise

O Friedrich, A Halder, A Boyle… - Monthly Notices of …, 2022 - academic.oup.com
We study the connection of matter density and its tracers from the probability density function
(PDF) perspective. One aspect of this connection is the conditional expectation value〈 …

The FLAMINGO project: baryonic impact on weak gravitational lensing convergence peak counts

JC Broxterman, M Schaller, J Schaye… - Monthly Notices of …, 2024 - academic.oup.com
Weak gravitational lensing convergence peaks, the local maxima in weak lensing
convergence maps, have been shown to contain valuable cosmological information …