TO
T. Okumura
astro-ph.COastro-ph.GAgr-qcastro-phastro-ph.SRhep-phastro-ph.EPastro-ph.IMcluster galaxiescosmology
On Valency
published · living versionsW_98625dp4·v1 · currentpublished
A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Common
with T. Sumi, D. P. Bennett, I. A. Bond, A. Udalski +105
1 version
Preprints & journals
88 papers in the corpus · 2007–2026Atacama Large Aperture Submillimeter Telescope (AtLAST) science: Surveying the distant Universe.39403450 · van Kampen, Eelco, Bakx, Tom, De Breuck, Carlos et al.2026 · 9 citationsOpen research Europe. 2024;4:122
Dipolar power asymmetry in wide-angle correlations of galaxy density, velocity and ellipticity2608.19039v2 · Yusuke Mikura, Teppei Okumura, Ippei Obata et al.2026 · 0 citationsarXiv
Probing dipolar power asymmetry with galaxy clustering and intrinsic alignments2505.19941v2 · Keita Minato, Atsushi Taruya, Teppei Okumura et al.2025 · 0 citationsPhys. Rev. D 114, 043534 (2026)
Constraining Primordial Power Asymmetry from Galaxy Clustering and Peculiar Velocity Information2608.14170v1 · Keita Minato, Atsushi Taruya, Teppei Okumura et al.2026 · 0 citationsarXiv
Clustering of emission line galaxies with IllustrisTNG -- II. cosmology challenge with anisotropic correlation functions and ELG-halo connections2602.01925v2 · Ken Osato, Teppei Okumura2026 · 0 citationsMon Not R Astron Soc (2026)
Joint Geometric and Dynamical Constraints on Cosmology from Anisotropies in Galaxy Intrinsic-Alignment Correlations2608.06927v1 · Teppei Okumura2026 · 0 citationsarXiv
Cosmological inference with halo clustering reconstructed from the redshift-space galaxy distribution2604.11694v1 · Ryuichiro Hada, Teppei Okumura2026 · 0 citationsarXiv
Imprints of gravitational-wave polarizations on projected tidal tensor in three dimensions2507.23302v2 · Yusuke Mikura, Teppei Okumura, Misao Sasaki2025 · 0 citationsarXiv
Large-scale halo velocity correlations and the impact of finite simulation volumes2602.04485v1 · Yao-Tsung Chuang, Teppei Okumura, Takahiro Nishimichi2026 · 0 citationsarXiv
Galaxy Spin Alignment with Tidal Fields in the SDSS-IV MaNGA Survey2510.23741v2 · Jun-Sung Moon, Teppei Okumura2025 · 2 citationsAstrophys. J. Lett. 995 (2025) L8
Cosmological constraints on nonphantom dynamical dark energy with DESI Data Release 2 Baryon Acoustic Oscillations: A 3$\sigma$+ lensing anomaly2509.26144v2 · Shouvik Roy Choudhury, Teppei Okumura, Keiichi Umetsu2025 · 27 citations2025 ApJL 994 L26
Evidence for Intrinsic Galaxy Alignments in Ellipticity Autocorrelations out to $100 h^{-1}\textrm{Mpc}$ from SDSS Galaxies with DESI Imaging2507.09756v2 · Teppei Okumura2025 · 0 citationsApJL, 990, L19 (2025)
Probing vector chirality in the early Universe2406.06080v2 · Junsup Shim, Ue-Li Pen, Hao-Ran Yu et al.2024 · 9 citationsarXiv
Constraining cosmology with N-body simulations for future spectroscopic galaxy surveys at $2\leq z\leq 3$2410.02524v3 · Sy-Yun Pu, Teppei Okumura, Chian-Chou Chen et al.2024 · 1 citationarXiv
Improving cosmological constraints via galaxy intrinsic alignment in full-shape analysis2412.08151v2 · Junsup Shim, Teppei Okumura, Atsushi Taruya2024 · 1 citationarXiv
Improving redshift-space power spectra of halo intrinsic alignments from perturbation theory2409.06616v2 · Atsushi Taruya, Toshiki Kurita, Teppei Okumura2024 · 2 citationsarXiv
Squeezing Full-Shape Dynamical Dark Energy Constraints with Galaxy Alignments2412.08150v2 · Junsup Shim, Teppei Okumura, Atsushi Taruya2024 · 5 citationsApJL, 2025, 985, L14
First confirmation of anisotropic halo bias from statistically anisotropic matter distributions2409.12004v4 · Shogo Masaki, Maresuke Shiraishi, Takahiro Nishimichi et al.2024 · 2 citationsarXiv
SHAPE: cosmology with cluster halo intrinsic alignments from subhalo distributions2505.01588v1 · Shogo Ishikawa, Atsushi Taruya, Takahiro Nishimichi et al.2025 · 0 citationsarXiv
Testing local position invariance with odd multipoles of galaxy clustering statistics2412.13701v2 · Takuya Inoue, Teppei Okumura, Shohei Saga et al.2024 · 1 citationPhysical Review D 111 (2025) L081303
A new constraint on galaxy-halo connections of [O II] emitters via HOD modelling with angular clustering and luminosity functions from the Subaru HSC survey2412.19898v2 · Shogo Ishikawa, Teppei Okumura, Masao Hayashi et al.2024 · 1 citationarXiv
Intrinsic Alignments and Spin Correlations of [OII] Emitters at $z=1.2$ and $z=1.5$ from HSC Narrow-band Survey2408.11462v2 · Motonari Tonegawa, Teppei Okumura, Masao Hayashi2024 · 0 citationsarXiv
Information content in anisotropic cosmological fields: Impact of different multipole expansion scheme for galaxy density and ellipticity correlations2406.19669v2 · Takuya Inoue, Teppei Okumura, Shohei Saga et al.2024 · 4 citationsPhys. Rev. D 111, 023507 (2025)
Updated Cosmological Constraints in Extended Parameter Space with Planck PR4, DESI Baryon Acoustic Oscillations, and Supernovae: Dynamical Dark Energy, Neutrino Masses, Lensing Anomaly, and the Hubble Tension2409.13022v2 · Shouvik Roy Choudhury, Teppei Okumura2024 · 123 citations2024 ApJL 976 L11
Extracting parity-violating gravitational waves from projected tidal force tensor in three dimensions2405.04210v2 · Teppei Okumura, Misao Sasaki2024 · 7 citationsJCAP10(2024)060
Nonlinear redshift space distortion in halo ellipticity correlations: Analytical model and N-body simulations2310.07384v2 · Teppei Okumura, Atsushi Taruya, Toshiki Kurita et al.2023 · 8 citationsPhys. Rev. D 109, 103501 (2024)
Imprints of primordial magnetic fields on intrinsic alignments of galaxies2312.16316v1 · Shohei Saga, Maresuke Shiraishi, Kazuyuki Akitsu et al.2023 · 11 citationsarXiv
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Surveying the distant Universe2403.02806v1 · Eelco van Kampen, Tom Bakx, Carlos De Breuck et al.2024 · 9 citationsarXiv
Mock Observatory: two thousand lightcone mock catalogues of luminous red galaxies from the Hyper Suprime-Cam Survey for the cosmological large-scale analysis2308.03871v2 · Shogo Ishikawa, Teppei Okumura, Takahiro Nishimichi2023 · 0 citationsarXiv
Quadratic shape biases in three-dimensional halo intrinsic alignments2306.00969v2 · Kazuyuki Akitsu, Yin Li, Teppei Okumura2023 · 20 citationsarXiv
Relativistic distortions in galaxy density-ellipticity correlations: gravitational redshift and peculiar velocity effects2207.03454v2 · Shohei Saga, Teppei Okumura, Atsushi Taruya et al.2022 · 9 citationsarXiv
Statistical anisotropy in galaxy ellipticity correlations2303.10890v3 · Maresuke Shiraishi, Teppei Okumura, Kazuyuki Akitsu2023 · 12 citationsJCAP08(2023)013
Galaxy-dark matter connection of photometric galaxies from the HSC-SSP Survey: Galaxy-galaxy lensing and the halo model2307.03915v1 · Navin Chaurasiya, Surhud More, Shogo Ishikawa et al.2023 · 5 citationsarXiv
Gravitational wave fossils in nonlinear regime: halo tidal bias and intrinsic alignments from gravitational wave separate universe simulations2209.06226v1 · Kazuyuki Akitsu, Yin Li, Teppei Okumura2022 · 21 citationsarXiv
First Constraints on Growth Rate from Redshift-Space Ellipticity Correlations of SDSS Galaxies at $0.16 < z < 0.70$2301.06273v3 · Teppei Okumura, Atsushi Taruya2023 · 30 citationsApJL, 945, L30 (2023)
Clustering of emission line galaxies with IllustrisTNG I.: fundamental properties and halo occupation distribution2206.08678v3 · Ken Osato, Teppei Okumura2022 · 7 citationsMNRAS, 519, 1771-1791 (2023)
Cosmological gravity probes: connecting recent theoretical developments to forthcoming observations2212.09094v1 · Shun Arai, Katsuki Aoki, Yuji Chinone et al.2022 · 36 citationsarXiv
Distinguishing between $\Lambda$CDM and $f(R)$ gravity models using halo ellipticity correlations in simulations2111.01417v2 · Yao-Tsung Chuang, Teppei Okumura, Masato Shirasaki2021 · 16 citationsMNRAS (2022) 515, 4464-4470
Tightening geometric and dynamical constraints on dark energy and gravity: galaxy clustering, intrinsic alignment and kinetic Sunyaev-Zel'dovich effect2110.11127v2 · Teppei Okumura, Atsushi Taruya2021 · 35 citationsPhys. Rev. D 106, 043523 (2022)
First Evidence of Intrinsic Alignments of Red Galaxies at $z > 1$: Cross-correlation between CFHTLenS and FastSound Samples2109.14297v2 · Motonari Tonegawa, Teppei Okumura2021 · 19 citationsThe Astrophysical Journal Letters, Volume 924 (2022), Number 1, L3
Halo-model analysis of the clustering of photometric luminous red galaxies at $0.10 \leq z \leq 1.05$ from the Subaru Hyper Suprime-Cam Survey2103.08628v2 · Shogo Ishikawa, Teppei Okumura, Masamune Oguri et al.2021 · 17 citationsarXiv
Alcock-Paczynski effects on wide-angle galaxy statistics2103.08126v2 · Maresuke Shiraishi, Kazuyuki Akitsu, Teppei Okumura2021 · 6 citationsPhys. Rev. D 103, 123534 (2021)
Wide-angle effects on galaxy ellipticity correlations2012.13290v2 · Maresuke Shiraishi, Atsushi Taruya, Teppei Okumura et al.2020 · 12 citationsMNRAS Letters 503, 1, L6-L10 (2021)
A clustering-based self-calibration of the richness-to-mass relation of CAMIRA galaxy clusters out to $z\approx1.1$ in the Hyper Suprime-Cam survey2005.13564v3 · I-Non Chiu, Teppei Okumura, Masamune Oguri et al.2020 · 22 citationsarXiv
Minimum variance estimation of galaxy power spectrum in redshift space2005.03438v2 · Maresuke Shiraishi, Teppei Okumura, Naonori S. Sugiyama et al.2020 · 8 citationsMNRAS Letters 498, 1, L77-L81 (2020)
Testing tidal alignment models for anisotropic correlations of halo ellipticities with N-body simulations2001.05302v1 · Teppei Okumura, Atsushi Taruya, Takahiro Nishimichi2020 · 29 citationsMNRAS (2020) 494, 694-702
Improving geometric and dynamical constraints on cosmology with intrinsic alignments of galaxies2001.05962v2 · Atsushi Taruya, Teppei Okumura2020 · 49 citationsarXiv
Anisotropies of galaxy ellipticity correlations in real and redshift space: angular dependence in linear tidal alignment model1912.04118v2 · Teppei Okumura, Atsushi Taruya2019 · 39 citationsMNRAS Letters (2020) 493, L124-L128
Intrinsic alignment statistics of density and velocity fields at large scales: Formulation, modeling, and baryon acoustic oscillation features1907.00750v2 · Teppei Okumura, Atsushi Taruya, Takahiro Nishimichi2019 · 32 citationsPhys. Rev. D 100, 103507 (2019)
Constraining neutrino mass and dark energy with peculiar velocities and lensing dispersions of Type Ia supernovae1907.02328v2 · Aniket Agrawal, Teppei Okumura, Toshifumi Futamase2019 · 9 citationsPhys. Rev. D 100, 063534 (2019)
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