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Theoretical modeling of large-scale galaxy distribution for a test of cosmic acceleration
Dark matter distribution from the analysis of density and velocity fields
奧村哲平
研究員
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學經歷

  • Research Fellow, ASIAA (2021~ 迄今)
  • Visiting Scientist, Kavli IPMU, The University of Tokyo, Japan (2017~ 迄今)
  • Associate Research Fellow, ASIAA (2017~2021)
  • Project Researcher, Kavli IPMU, The University of Tokyo, Japan (2014~2016)
  • Postdoctoral Fellow, Institute for the Early Universe, Ewha Womans University, Korea (2009~2013)
  • Postdoctoral Fellow, Shanghai Astronomical Observatory, China (2008~2009)
  • Doctor in Physics, Nagoya University, Japan (2005~2008)
  • Master in Physics, Nagoya University, Japan (2003~2005)
  • Bachelor in Physics, Kwansei Gakuin University, Japan (1999~2003)

榮譽與獎勵

  • Career Development Award, Academia Sinica (2019~2023)
  • The PASJ Excellent Paper Award, The Astronomical Society of Japan (Okumura et al. 2016, PASJ, 68, 38) (2018)
  • PRD Editor's Suggestion, American Physical Society (Saito et al. 2014, PRD, 90, 123522) (2014)

委員會服務

  • Chair, Computing Committee, ASIAA (2020~2021)

研究興趣

觀測宇宙學, 宇宙的大尺度結構, 大型數據集的分析與模擬, 重力透鏡

研究著作

研究著作列表

查詢ADS上的研究著作

期刊論文(中研院就職期間發表)

  1. Akitsu K; Li Y; Okumura T, "Cosmological simulation in tides: power spectra, halo shape responses, and shape assembly bias" , JCAP: 2021(04), id.41 (35pp), Apr, 2021 [SCI] ( ADS | Fulltext )
  2. Ishikawa S; Okumura T; Oguri M; Lin S-C, "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 Survey" , ApJ, (16pp), 2021, Accepted [SCI] ( ADS | Fulltext )
  3. Okumura T; Hayashi M; Chiu I-N; Lin Y-T; Osato K; Hsieh B-C; Lin S-C, "Angular clustering and host halo properties of [OII] emitters at z>1 in the Subaru HSC survey" , PASJ: 73(4), 1186-1207, Aug, 2021 [SCI] ( ADS | Fulltext )
  4. Shiraishi M; Akitsu K; Okumura T, "Alcock-Paczynski effects on wide-angle galaxy statistics" , Phys Rev D: 103(1), id.123534, Jun, 2021 [SCI] ( ADS | Fulltext )
  5. Shiraishi M; Okumura T; Akitsu K, "Minimum variance estimation of statistical anisotropy via galaxy survey" , JCAP: 2021(03), id.39 (20pp), Mar, 2021 [SCI] ( ADS | Fulltext )
  6. Shiraishi M; Taruya A; Okumura T; Akitsu K, "Wide-angle effects on galaxy ellipticity correlations" , MNRAS: 503(1), L6–L10, May, 2021 [SCI] ( ADS | Fulltext )
  7. Agrawal A; Okumura T; Futamase T, "Standard candles and sirens rescue H0" , ApJ: 904(2), id.169 (6pp), Dec, 2020 [SCI] ( ADS | Fulltext )
  8. Chiu I-N; Okumura T; Oguri M; Agrawal A, ...; Umetsu K; Lin Y-T, "A clustering-based self-calibration of the richness-to-mass relation of CAMIRA galaxy clusters out to z ≍ 1.1 in the Hyper Suprime-Cam survey" , MNRAS: 498(2), 2030-2053, Aug, 2020 [SCI] ( ADS | Fulltext )
  9. Matsumoto J; Okumura T; Sasaki M, "New measures to test modified gravity cosmologies" , JCAP: 07, id. 059 (16pp.), Jul, 2020 [SCI] ( ADS | Fulltext )
  10. Okumura T; Taruya A, "Anisotropies of galaxy ellipticity correlations in real and redshift space: Angular dependence in linear tidal alignment model" , MNRAS: 493(1), L124-128 (5 pp.), Mar, 2020 [SCI] ( ADS | Fulltext )
  11. Okumura T; Taruya A; Nishimichi T, "Testing tidal alignment models for anisotropic correlations of halo ellipticities with N-body simulations" , MNRAS: 494(1), 694-702 (9pp.), May, 2020 [SCI] ( ADS | Fulltext )
  12. Shiraishi M; Okumura T; Sugiyama NS; et al., "Minimum Variance Estimation of Galaxy Power Spectrum in Redshift Space" , MNRAS: 498(1), L77-L81, Oct, 2020 [SCI] ( ADS | Fulltext )
  13. Taruya A; Okumura T, "Improving geometric and dynamical constraints on cosmology with intrinsic alignments of galaxies" , ApJL: 891(2), id.L42 (6pp.), Mar, 2020 [SCI] ( ADS | Fulltext )
  14. Agrawal A; Okumura T; Futamase T, "Constraining neutrino mass and dark energy with peculiar velocities and lensing dispersions of Type Ia supernovae" , Phys Rev D: 100(6), id. 063534 (8 pp.), Sep, 2019 [SCI] ( ADS | Fulltext )
  15. Okumura T; Taruya A; Nishimichi T, "Intrinsic alignment statistics of density and velocity fields at large scales: Formulation, modeling, and baryon acoustic oscillation features" , Phys Rev D: 100(10), id. 103507 (22 pp.), Nov, 2019 [SCI] ( ADS | Fulltext )
  16. Arroja F; Okumura T; Bartolo N; et al., "Large-scale structure in mimetic Horndeski gravity" , JCAP: 05, id. 050, May, 2018 [SCI] ( ADS | Fulltext )
  17. Okumura T; Nishimichi T; Umetsu K; et al., "Splashback radius of nonspherical dark matter halos from cosmic density and velocity fields" , Phys Rev D: 98(2), id. 023523 (18 pp.), July, 2018 [SCI] ( ADS | Fulltext )
  18. Osato K; Nishimichi T; Oguri M; Takada M; Okumura T, "Strong orientation dependence of surface mass density profiles of dark haloes at large scales" , MNRAS: 477(2), 2141-2153, June, 2018 [SCI] ( ADS | Fulltext )
  19. Sugiyama NS; Okumura T; Spergel DN, "A direct measure of free electron gas via the Kinematic Sunyaev-Zel'dovich effect in Fourier-space analysis" , MNRAS: 475(3), 3764-3785, April, 2018 [SCI] ( ADS | Fulltext )
  20. Sugiyama NS; Shiraishi M; Okumura T, "Limits on statistical anisotropy from BOSS DR12 galaxies using bipolar spherical harmonics" , MNRAS: 473(2), 2737-2752, Jan, 2018 [SCI] ( ADS | Fulltext )
  21. Suyu SH; Chang T-C; Courbin F; Okumura T, "Cosmological distance indicators" , Space Sci Rev: 214(5), id. 91 (34 pp.), Aug, 2018 [SCI] ( ADS | Fulltext )
  22. Tonegawa M; Okumura T; Totani T; et al., "The Subaru FMOS galaxy redshift survey (FastSound). V. Intrinsic alignments of emission line galaxies at z ~ 1.4" , PASJ: 70(3), 41, June, 2018 [SCI] ( ADS | Fulltext )
  23. Umetsu K; Sereno M; Tam S-L; Chiu I-N; ...; Okumura T; ...; Higuchi Y; et al., "The Projected Dark and Baryonic Ellipsoidal Structure of 20 CLASH Galaxy Clusters" , ApJ: 806(2), id. 104 (26 pp.), June, 2018 [SCI] ( ADS | Fulltext )
  24. Okumura T; Takada M; More S; et al., "Reconstruction of halo power spectrum from redshift-space galaxy distribution: cylinder-grouping method and halo exclusion effect" , MNRAS: 469(1), 459-475, July, 2017 [SCI] ( ADS | Fulltext )
  25. Shiraishi M; Sugiyama NS; Okumura T, "Polypolar spherical harmonic decomposition of galaxy correlators in redshift space: Toward testing cosmic rotational symmetry" , Phys Rev D: 95(6), 063508, March, 2017 [SCI] ( ADS | Fulltext )
  26. Sugiyama NS; Okumura T; Spergel DN, "Will kinematic Sunyaev-Zel'dovich measurements enhance the science return from galaxy redshift surveys?" , JCAP: 01, 057, Jan, 2017 [SCI] ( ADS | Fulltext )
  27. Okumura T; Hikage C; Totani T; et al., "The Subaru FMOS galaxy redshift survey (FastSound). IV. New constraint on gravity theory from redshift space distortions at z ˜ 1.4" , PASJ: 68(3), id.38 (24 pp), June, 2016 [SCI] ( ADS | Fulltext )
  28. Tonegawa M; Okumura T; Totani T; et al., "The Subaru FMOS galaxy redshift survey (FastSound). V. Intrinsic alignments of emission line galaxies at z ~ 1.4" , PASJ: 68(3), id.38 (24 pp. ), June, 2016 [SCI] ( ADS | Fulltext )
  29. Okumura T; Seljak U; Desjacques V, "Distribution function approach to redshift space distortions. Part III: halos and galaxies" , JCAP: Issue 11, id. 014, Nov, 2012 [SCI] ( ADS | Fulltext )
  30. Okumura T; Jing YP; Li Cheng, "Intrinsic Ellipticity Correlation of SDSS Luminous Red Galaxies and Misalignment with Their Host Dark Matter Halos" , ApJ: 694(1), 214-221, March, 2009 [SCI] ( ADS | Fulltext )
  31. Okumura T; Matsubara T; Eisenstein DJ; et al., "Large-Scale Anisotropic Correlation Function of SDSS Luminous Red Galaxies" , ApJ: 676(2), 889-898, April, 2008 [SCI] ( ADS | Fulltext )
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