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Multi-stream radial structure of cold dark matter haloes from particle trajectories: deep inside splashback radius
Yohsuke Enomoto, Takahiro Nishimichi, Atsushi Taruya
By tracking trajectories of dark matter (DM) particles accreting onto haloes in cosmological -body simulations, we investigate the radial phase-space distribution of cold dark m…
Mock catalogues of emission line galaxies based on the local mass density in dark-matter only simulations
Ken Osato, Takahiro Nishimichi, Masahiro Takada
The high-precision measurement of spatial clustering of emission line galaxies (ELGs) is a primary objective for upcoming cosmological spectroscopic surveys. The source of strong e…
Power Spectrum of Intrinsic Alignments of Galaxies in IllustrisTNG
Jingjing Shi, Toshiki Kurita, Masahiro Takada +3
We present the 3-{\it dimensional} intrinsic alignment power spectra between the projected 2d galaxy shape/spin and the 3d tidal field across using cosmo…
Semi-analytic modelling of AGNs: auto-correlation function and halo occupation
Taira Oogi, Hikari Shirakata, Masahiro Nagashima +5
The spatial clustering of active galactic nuclei (AGNs) is considered to be one of the important diagnostics for the understanding of the underlying processes behind their activiti…
New constraints on red-spiral galaxies from their kinematics in clusters of galaxies
Akinari Hamabata, Taira Oogi, Masamune Oguri +2
The distributions of the pairwise line-of-sight velocity between galaxies and their host clusters are segregated according to the galaxy's colour and morphology. We investigate the…
Constraining cluster masses from the stacked phase space distribution at large radii
Akinari Hamabata, Masamune Oguri, Takahiro Nishimichi
Velocity dispersions have been employed as a method to measure masses of clusters. To complement this conventional method, we explore the possibility of constraining cluster masses…