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Cosmological gravity probes: connecting recent theoretical developments to forthcoming observations
Shun Arai, Katsuki Aoki, Yuji Chinone +20
Since the discovery of the accelerated expansion of the present Universe, significant theoretical developments have been made in the area of modified gravity. In the meantime, cosm…
A General Framework for Removing Point Spread Function Additive Systematics in Cosmological Weak Lensing Analysis
Tianqing Zhang, Xiangchong Li, Roohi Dalal +10
Cosmological weak lensing measurements rely on a precise measurement of the shear two-point correlation function (2PCF) along with a deep understanding of systematics that affect i…
King Ghidorah Supercluster: Mapping the light and dark matter in a new supercluster at z=0.55 using the Subaru Hyper Suprime-Cam
Rhythm Shimakawa, Nobuhiro Okabe, Masato Shirasaki +1
This paper reports our discovery of the most massive supercluster, termed the King Ghidorah Supercluster (KGSc), at in the Third Public Data Release of the Hyper Supr…
Modelling self-interacting dark matter substructures I: Calibration with N-body simulations of a Milky-Way-sized halo and its satellite
Masato Shirasaki, Takashi Okamoto, Shin'ichiro Ando
We study evolution of single subhaloes with their masses of in a Milky-Way-sized host halo for self-interacting dark matter (SIDM) models. We perform dark-matter…
E/B mode decomposition of HSC-Y1 cosmic shear using COSEBIs: cosmological constraints and comparison with other two-point statistics
Takashi Hamana, Chiaki Hikage, Masamune Oguri +2
We perform a cosmic shear analysis of HSC survey first-year data (HSC-Y1) using Complete Orthogonal Sets of E/B-Integrals (COSEBIs) to derive cosmological constraints. We compute E…