Osato Ken 大里健

Researcher Number	00914277
Other IDs	https://orcid.org/0000-0002-7934-2569
Affiliation (Current)	2025: 千葉大学, 先進科学センター, 助教
Affiliation (based on the past Project Information) *help	2023 – 2025: 千葉大学, 先進科学センター, 助教 2022: 千葉大学, 先進科学センター, 特任助教 2021: 京都大学, 基礎物理学研究所, 特別研究員(PD)
Review Section/Research Field	Principal Investigator Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Transformative Research Areas, Section (II) / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics Except Principal Investigator Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
Keywords	Principal Investigator 観測的宇宙論 Except Principal Investigator 原始パワースペクトル / ニュートリノ質量 / ダークエネルギー / S8問題

銀河形成シミュレーションと統計量エミュレータの融合によるS8不一致問題の徹底検証Principal Investigator
- Principal Investigator
  
  大里健
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Chiba University
宇宙論的観測量における銀河形成物理の機械学習サロゲートモデリングPrincipal Investigator
- Principal Investigator
  
  大里健
- Project Period (FY)
  2025 – 2026
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Chiba University
Resolving the S8 tension with joint cosmology probe method of Subaru HSC and PFS data
- Principal Investigator
  
  高田昌広
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  The University of Tokyo
Field-level approach for next-generation spectroscopic surveysPrincipal Investigator
- Principal Investigator
  
  大里健
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Chiba University
Precision cosmology with next-generation wide and deep cosmological surveysPrincipal Investigator
- Principal Investigator
  
  大里健
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Chiba University
  Kyoto University

All 2024 2023 2022 2021

All Journal Article Presentation

[Journal Article] Perturbation theory challenge for cosmological parameters estimation. II. Matter power spectrum in redshift space2023
- Author(s)
  Osato Ken、Nishimichi Takahiro、Taruya Atsushi、Bernardeau Francis
- Journal Title
  
  Physical Review D
  
  Volume: 108 Issue: 12 Pages: 123541-123541
- DOI
  10.1103/physrevd.108.123541
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036, KAKENHI-PROJECT-22K03634, KAKENHI-PLANNED-20H05861, KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-23K20844
[Journal Article] Perturbation theory remixed: Improved nonlinearity modeling beyond standard perturbation theory2023
- Author(s)
  Wang Zhenyuan、Jeong Donghui、Taruya Atsushi、Nishimichi Takahiro、Osato Ken
- Journal Title
  
  Physical Review D
  
  Volume: 107 Issue: 10 Pages: 103534-103534
- DOI
  10.1103/physrevd.107.103534
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036, KAKENHI-PROJECT-22K03634, KAKENHI-PLANNED-20H05861, KAKENHI-PROJECT-23K20844
[Journal Article] Line-of-sight structure of troughs identified in <i>Subaru</i> Hyper Suprime-Cam Year 3 weak lensing mass maps2023
- Author(s)
  Shimasue Takumi、Osato Ken、Oguri Masamune、Shimakawa Rhythm、Nishizawa Atsushi J
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 527 Issue: 3 Pages: 5974-5987
- DOI
  10.1093/mnras/stad3542
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036, KAKENHI-PROJECT-22K21349, KAKENHI-PROJECT-21K03625, KAKENHI-PUBLICLY-21H05454, KAKENHI-PROJECT-23H00108
[Journal Article] Clustering of emission line galaxies with IllustrisTNG ? I. Fundamental properties and halo occupation distribution2022
- Author(s)
  Osato Ken、Okumura Teppei
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 519 Issue: 2 Pages: 1771-1791
- DOI
  10.1093/mnras/stac3582
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036, KAKENHI-PROJECT-21J00011
[Journal Article] Cosmological inference from an emulator based halo model. I. Validation tests with HSC and SDSS mock catalogs2022
- Author(s)
  Miyatake Hironao、Kobayashi Yosuke、Takada Masahiro、et al. (including R. Takahashi)
- Journal Title
  
  Physical Review D
  
  Volume: 106 Issue: 8 Pages: 083519-083519
- DOI
  10.1103/physrevd.106.083519
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-20H05855, KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-20H01932, KAKENHI-PROJECT-21J00011, KAKENHI-PROJECT-21J10314, KAKENHI-PLANNED-20H05861, KAKENHI-PROJECT-23K20844
[Journal Article] Third data release of the Hyper Suprime-Cam Subaru Strategic Program2022
- Author(s)
  Aihara Hiroaki et al.
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 74 Issue: 2 Pages: 247-272
- DOI
  10.1093/pasj/psab122
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01247, KAKENHI-PROJECT-20H01932, KAKENHI-PROJECT-18K03696, KAKENHI-PROJECT-22K03670, KAKENHI-PLANNED-20H05855, KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-20H00181, KAKENHI-PROJECT-21J00011, KAKENHI-PROJECT-22KJ0730, KAKENHI-PUBLICLY-20H04730, KAKENHI-PROJECT-20K14508
[Journal Article] Comparing weak lensing peak counts in baryonic correction models to hydrodynamical simulations2022
- Author(s)
  Lee Max E、Lu Tianhuan、Haiman Zoltan、Liu Jia、Osato Ken
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 519 Issue: 1 Pages: 573-584
- DOI
  10.1093/mnras/stac3592
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Journal Article] HSC Year 1 cosmology results with the minimal bias method HSC×BOSS galaxy-galaxy weak lensing and BOSS galaxy clustering2022
- Author(s)
  Sugiyama Sunao et al.
- Journal Title
  
  Physical Review D
  
  Volume: 105 Issue: 12 Pages: 123537-123537
- DOI
  10.1103/physrevd.105.123537
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03625, KAKENHI-PLANNED-20H05855, KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-20H00181, KAKENHI-PROJECT-20H01932, KAKENHI-PROJECT-21J00011, KAKENHI-PROJECT-21J10314, KAKENHI-PROJECT-23K20844
[Journal Article] Cosmological inference from an emulator based halo model. II. Joint analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and SDSS2022
- Author(s)
  Miyatake Hironao et al.
- Journal Title
  
  Physical Review D
  
  Volume: 106 Issue: 8 Pages: 083520-083520
- DOI
  10.1103/physrevd.106.083520
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03625, KAKENHI-PLANNED-20H05855, KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-20H00181, KAKENHI-PROJECT-20H01932, KAKENHI-PROJECT-21J00011, KAKENHI-PROJECT-21J10314, KAKENHI-PLANNED-20H05861, KAKENHI-PROJECT-23K20844
[Journal Article] Baryon pasting algorithm: halo-based and particle-based pasting methods2022
- Author(s)
  Osato Ken、Nagai Daisuke
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 519 Issue: 2 Pages: 2069-2082
- DOI
  10.1093/mnras/stac3669
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Journal Article] Mock catalogues of emission-line galaxies based on the local mass density in dark-matter only simulations2022
- Author(s)
  Osato Ken、Nishimichi Takahiro、Takada Masahiro
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 511 Issue: 1 Pages: 1131-1140
- DOI
  10.1093/mnras/stac124
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-21J00011, KAKENHI-PLANNED-20H05855, KAKENHI-PLANNED-20H05861, KAKENHI-PROJECT-23K20844
[Journal Article] Probing cosmology and gastrophysics with fast radio bursts: cross-correlations of dark matter haloes and cosmic dispersion measures2022
- Author(s)
  Shirasaki Masato、Takahashi Ryuichi、Osato Ken、Ioka Kunihito
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 512 Issue: 2 Pages: 1730-1750
- DOI
  10.1093/mnras/stac490
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-20H04723, KAKENHI-PROJECT-19K14767, KAKENHI-PLANNED-20H05855, KAKENHI-PROJECT-21J00011, KAKENHI-PROJECT-18H01215, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06362, KAKENHI-PROJECT-22H00130, KAKENHI-PROJECT-20H01904
[Journal Article] Implementing spectra response function approaches for fast calculation of power spectra and bispectra2021
- Author(s)
  Osato Ken、Nishimichi Takahiro、Taruya Atsushi、Bernardeau Francis
- Journal Title
  
  Physical Review D
  
  Volume: 104 Issue: 10 Pages: 103501-103501
- DOI
  10.1103/physrevd.104.103501
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011, KAKENHI-PLANNED-20H05861, KAKENHI-PROJECT-23K20844
[Journal Article] Angular clustering and host halo properties of [OII] emitters at z > 1 in the Subaru HSC survey2021
- Author(s)
  Okumura Teppei、Hayashi Masao、Chiu I-Non、Lin Yen-Ting、Osato Ken、Hsieh Bau-Ching、Lin Sheng-Chieh
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 73 Issue: 4 Pages: 1186-1207
- DOI
  10.1093/pasj/psab068
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Journal Article] κTNG: effect of baryonic processes on weak lensing with IllustrisTNG simulations2021
- Author(s)
  Osato Ken、Liu Jia、Haiman Zoltan
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 502 Issue: 4 Pages: 5593-5602
- DOI
  10.1093/mnras/stab395
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Journal Article] An Optimal Estimator of Intrinsic Alignments for Star-forming Galaxies in IllustrisTNG Simulation2021
- Author(s)
  Shi Jingjing、Osato Ken、Kurita Toshiki、Takada Masahiro
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 917 Issue: 2 Pages: 109-109
- DOI
  10.3847/1538-4357/ac0cfa
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-20J22055, KAKENHI-PROJECT-21J00011, KAKENHI-PLANNED-20H05855
[Presentation] Field-level inference with differentiable GridSPT2024
- Author(s)
  Ken Osato, Atsushi Taruya, Takahiro Nishimichi, Donghui Jeong, Zhenyuan Wang
- Organizer
  Statistical Analysis of Random Fields in Cosmology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036
[Presentation] Field-level inference with differentiable GridSPT2023
- Author(s)
  大里健, 西道啓博, 樽家篤史, Donghui Jeong, Zhenyuan Wang
- Organizer
  第12回観測的宇宙論ワークショップ
- Data Source
  KAKENHI-PROJECT-22K14036
[Presentation] Numerical simulations as a tool to scrutinise the physics of dark matter2022
- Author(s)
  Ken Osato
- Organizer
  DM3 - Deep insights and Multiple strategies for Deciphering the Mystery of Dark Matter
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Presentation] Applications of Hydrodynamical Simulations for Clustering of Emission Line Galaxies2022
- Author(s)
  Ken Osato、Teppei Okumura
- Organizer
  From galaxies to cosmology with deep spectroscopic surveys
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036
[Presentation] Applications of Hydrodynamical Simulations for Clustering of Emission Line Galaxies2022
- Author(s)
  Ken Osato、Teppei Okumura
- Organizer
  From galaxies to cosmology with deep spectroscopic surveys
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Presentation] Galaxy Formation Simulations for Cosmology with Emission Line Galaxies2022
- Author(s)
  Ken Osato、Teppei Okumura
- Organizer
  Cosmic Cartography 2022: Exploring the Cosmic Web and Large-Scale Structure
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Presentation] Intrinsic alignments with galaxy formation hydrodynamical simulations2022
- Author(s)
  Ken Osato、Teppei Okumura
- Organizer
  New Frontiers in Cosmology with the Intrinsic Alignments of Galaxies
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Presentation] Numerical simulations as a tool to scrutinise the physics of dark matter2022
- Author(s)
  Ken Osato
- Organizer
  DM3 - Deep insights and Multiple strategies for Deciphering the Mystery of Dark Matter
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036
[Presentation] Intrinsic alignments with galaxy formation hydrodynamical simulations2022
- Author(s)
  Ken Osato、Teppei Okumura
- Organizer
  New Frontiers in Cosmology with the Intrinsic Alignments of Galaxies
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14036
[Presentation] Galaxy Formation Simulations for Cosmology with Emission Line Galaxies2021
- Author(s)
  大里健, 奥村哲平
- Organizer
  第10回観測的宇宙論ワークショップ
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Presentation] Galaxy Formation Simulations for Cosmology with Emission Line Galaxies2021
- Author(s)
  Ken Osato、Teppei Okumura
- Organizer
  Challenges and Innovations in Computational Astrophysics - III
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011
[Presentation] Intrinsic alignments with numerical simulations2021
- Author(s)
  Ken Osato
- Organizer
  Galaxy shape statistics and Cosmology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21J00011

1. 高田昌広 (40374889)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
2. 西道啓博 (60795417)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
3. 白崎正人 (70767821)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. TAKAHASHI Ryuichi

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

Osato Ken 大里 健

Research Projects

Research Products

Co-Researchers

銀河形成シミュレーションと統計量エミュレータの融合によるS8不一致問題の徹底検証Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

宇宙論的観測量における銀河形成物理の機械学習サロゲートモデリングPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Resolving the S8 tension with joint cosmology probe method of Subaru HSC and PFS data

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Field-level approach for next-generation spectroscopic surveysPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Precision cosmology with next-generation wide and deep cosmological surveysPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Perturbation theory challenge for cosmological parameters estimation. II. Matter power spectrum in redshift space2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Perturbation theory remixed: Improved nonlinearity modeling beyond standard perturbation theory2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Line-of-sight structure of troughs identified in <i>Subaru</i> Hyper Suprime-Cam Year 3 weak lensing mass maps2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Clustering of emission line galaxies with IllustrisTNG ? I. Fundamental properties and halo occupation distribution2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Cosmological inference from an emulator based halo model. I. Validation tests with HSC and SDSS mock catalogs2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Third data release of the Hyper Suprime-Cam Subaru Strategic Program2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Comparing weak lensing peak counts in baryonic correction models to hydrodynamical simulations2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] HSC Year 1 cosmology results with the minimal bias method HSC×BOSS galaxy-galaxy weak lensing and BOSS galaxy clustering2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Cosmological inference from an emulator based halo model. II. Joint analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and SDSS2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Baryon pasting algorithm: halo-based and particle-based pasting methods2022

Osato Ken 大里健