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Weak-lensing Shear-Selected Galaxy Clusters from the Hyper Suprime-Cam Subaru Strategic Program: III. A precision cosmological sample enabled by optical confirmation
I-Non Chiu, Kai-Feng Chen, Masamune Oguri +9
We develop fCAMIRA (forced-mode CAMIRA), a tool for optical cluster confirmation, and apply it to a sample of 129 weak-lensing (WL) shear-selected galaxy clusters identified in ape…
Clustering of emission line galaxies with IllustrisTNG -- II. cosmology challenge with anisotropic correlation functions and ELG-halo connections
Ken Osato, Teppei Okumura
Emission line galaxies (ELGs) are the primary tracers of the large-scale structures of the Universe in ongoing Stage-IV cosmological spectroscopic surveys, which aim to measure the…
Cross-correlating galaxies and cosmic dispersion measures: Constraints on the gas-to-halo mass relation from 2MASS galaxies and 133 localized fast radio bursts
Masato Shirasaki, Ryuichi Takahashi, Ken Osato +1
We conduct a cross-correlation analysis between large-scale structures traced by the Two Micron All Sky Survey (2MASS) galaxy catalog and the cosmic dispersion measures of 133 loca…
Denoising weak lensing mass maps with diffusion model and generative adversarial network
Shohei D. Aoyama, Ken Osato, Masato Shirasaki
The matter distribution of the Universe can be mapped through the weak gravitational lensing (WL) effect: small distortions of the shapes of distant galaxies, which reflects the in…
Measurement of angular cross-correlation between the cosmological dispersion measure and the thermal Sunyaev--Zeldovich effect
Ryuichi Takahashi, Kunihito Ioka, Masato Shirasaki +1
The dispersion measures () from fast radio bursts (FRBs) and the thermal Sunyaev--Zeldovich (tSZ) effect probe the free-electron density and thermal pressure, respective…
Cosmology and Source Redshift Constraints from Galaxy Clustering and Tomographic Weak Lensing with HSC Y3 and SDSS using the Point-Mass Correction Model
Tianqing Zhang, Xiangchong Li, Sunao Sugiyama +13
The combination of galaxy clustering and weak lensing is a powerful probe of the cosmology model. We present a joint analysis of galaxy clustering and weak lensing cosmology using…
Modelling Galaxy Clustering and Tomographic Galaxy-Galaxy Lensing with HSC Y3 and SDSS using the Point-Mass Correction Model and Redshift Self-Calibration
Tianqing Zhang, Sunao Sugiyama, Surhud More +13
The combination of galaxy-galaxy weak lensing and galaxy clustering is a powerful probe of the cosmological model, and exploration of how to best model and extract this information…
CosmoGLINT: Cosmological Generative Model for Line Intensity Mapping with Transformer
Kana Moriwaki, Rui Lan Jun, Ken Osato +1
Modelling star-forming galaxies is crucial for upcoming observations of large-scale matter and galaxy distributions with galaxy redshift surveys and line intensity mapping (LIM). W…
Denoising weak lensing mass maps with diffusion model: systematic comparison with generative adversarial network
Shohei D. Aoyama, Ken Osato, Masato Shirasaki
Removing the shape noise from the observed weak lensing field, i.e., denoising, enhances the potential of WL by accessing information at small scales where the shape noise dominate…
Baryon Pasting the Uchuu Lightcone Simulation
Erwin T. Lau, Daisuke Nagai, Arya Farahi +4
We present the Baryon Pasted (BP) X-ray and thermal Sunyaev-Zel'dovich (tSZ) maps derived from the half-sky Uchuu Lightcone simulation. These BP-Uchuu maps are constructed using mo…
Cosmology from HSC Y1 Weak Lensing with Combined Higher-Order Statistics and Simulation-based Inference
Camila P. Novaes, Leander Thiele, Joaquin Armijo +7
We present cosmological constraints from weak lensing with the Subaru Hyper Suprime-Cam (HSC) first-year (Y1) data, using a simulation-based inference (SBI) method. % We explore th…
Perturbation Theory Remixed II: Improved Modeling of Nonlinear Bispectrum
Zhenyuan Wang, Donghui Jeong, Atsushi Taruya +2
We present the application of the -th order Eulerian Perturbation Theory (EPT) for modeling the matter bispectrum in real space as an advancement over the Standard Perturbati…
Cosmology from weak lensing peaks and minima with Subaru Hyper Suprime-Cam survey first-year data
Gabriela A. Marques, Jia Liu, Masato Shirasaki +7
We present cosmological constraints derived from peak counts, minimum counts, and the angular power spectrum of the Subaru Hyper Suprime-Cam first-year (HSC Y1) weak lensing shear…
Line-of-sight structure of troughs identified in Subaru Hyper Suprime-Cam Year 3 weak lensing mass maps
Takumi Shimasue, Ken Osato, Masamune Oguri +2
We perform the weak lensing mass mapping analysis to identify troughs, which are defined as local minima in the mass map. Since weak lensing probes projected matter along the line-…
Perturbation theory challenge for cosmological parameters estimation II.: Matter power spectrum in redshift space
Ken Osato, Takahiro Nishimichi, Atsushi Taruya +1
Constraining cosmological parameters from large-scale structure observations requires precise and accurate tools to compute its properties. While perturbation theory (PT) approache…
Hyper Suprime-Cam Year 3 Results: Cosmology from Galaxy Clustering and Weak Lensing with HSC and SDSS using the Emulator Based Halo Model
Hironao Miyatake, Sunao Sugiyama, Masahiro Takada +31
We present cosmology results from a blinded joint analysis of cosmic shear, , galaxy-galaxy weak lensing, , and projected galaxy clustering, $w_{\rm p}…
Hyper Suprime-Cam Year 3 Results: Cosmology from Cosmic Shear Power Spectra
Roohi Dalal, Xiangchong Li, Andrina Nicola +35
We measure weak lensing cosmic shear power spectra from the three-year galaxy shear catalog of the Hyper Suprime-Cam (HSC) Subaru Strategic Program imaging survey. The shear catalo…
Hyper Suprime-Cam Year 3 Results: Cosmology from Galaxy Clustering and Weak Lensing with HSC and SDSS using the Minimal Bias Model
Sunao Sugiyama, Hironao Miyatake, Surhud More +27
We present cosmological parameter constraints from a blind joint analysis of three two-point correlation functions measured from the Year 3 Hyper Suprime-Cam (HSC-Y3) imaging data,…
Hyper Suprime-Cam Year 3 Results: Measurements of Clustering of SDSS-BOSS Galaxies, Galaxy-Galaxy Lensing and Cosmic Shear
Surhud More, Sunao Sugiyama, Hironao Miyatake +31
We use the Sloan Digital Sky Survey (SDSS) BOSS galaxies and their overlap with approximately 416 sq. degree of deep -band imaging from the Subaru Hyper Suprime-Cam Survey (…
Hyper Suprime-Cam Year 3 Results: Cosmology from Cosmic Shear Two-point Correlation Functions
Xiangchong Li, Tianqing Zhang, Sunao Sugiyama +32
We perform a blinded cosmology analysis with cosmic shear two-point correlation functions (2PCFs) measured from more than 25 million galaxies in the Hyper Suprime-Cam three-year sh…
Perturbation Theory Remixed: Improved Nonlinearity Modeling beyond Standard Perturbation Theory
Zhenyuan Wang, Donghui Jeong, Atsushi Taruya +2
We present a novel EPT (th-order Eulerian Perturbation Theory) scheme to model the nonlinear density field by the summation up to th-order density fields in perturbation t…
Comparing weak lensing peak counts in baryonic correction models to hydrodynamical simulations
Max E. Lee, Tianhuan Lu, Zoltán Haiman +2
Next-generation weak lensing (WL) surveys, such as by the Vera Rubin Observatory's LSST, the Space Telescope, and the space mission, will supply…
Probabilistic Mass Mapping with Neural Score Estimation
Benjamin Remy, Francois Lanusse, Niall Jeffrey +4
Weak lensing mass-mapping is a useful tool to access the full distribution of dark matter on the sky, but because of intrinsic galaxy ellipticies and finite fields/missing data, th…
Baryon Pasting Algorithm: Halo-based and Particle-based Pasting Methods
Ken Osato, Daisuke Nagai
We present a fast methodology to produce mock observations of the thermal and kinetic Sunyaev-Zel'dovich (SZ) effects based on the dark matter only -body simulations coupled wit…