Hotokezaka Kenta 仏坂健太

Researcher Number	50867033
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院理学系研究科(理学部), 准教授
Affiliation (based on the past Project Information) *help	2020 – 2024: 東京大学, 大学院理学系研究科(理学部), 准教授
Review Section/Research Field	Principal Investigator Basic Section 16010:Astronomy-related / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Basic Section 16010:Astronomy-related Except Principal Investigator Transformative Research Areas, Section (II) / Broad Section B / Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
Keywords	Principal Investigator 高エネルギー天体現象 / 中性子星合体 / 超新星爆発 / ガンマ線バースト / 元素の起源 / キロノバ / 中性子星合体が作る元素 / 元素の起源の特定 / キロノバ放射の解明 / 原子の禁制線データ / キロノバ放射 / 重元素の起源 / 重力波天文学 … More Except Principal Investigator … More キロノバ / 重力波 / マルチメッセンジャー天文学 / 中性子星連星 / 数値相対論 / ガンマ線バースト / 元素合成 / 中性子星合体 / ブラックホール / FRB / コラプサー / インフレーション宇宙論 / 連星中性子星合体 / 原始ブラックホール / 独立成分解析 / データ解析 / 突発的天体 / 突発的天体現象 / 中性子星連星の合体 / 超新星爆発 / 中性子星の合体 / ダイナモ / マルチメッセンジャー宇宙物理学 / 電磁波対応天体 / 中性子星 Less

Search for progenitors of gravitational-wave binary black holesPrincipal Investigator
- Principal Investigator
  
  仏坂健太
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Review Section
  
  Basic Section 16010:Astronomy-related
- Research Institution
  The University of Tokyo
Theoretical studies for the multimessenger signals from strongly gravitating astrophysical phenomena
- Principal Investigator
  
  柴田大
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Kyoto University
Shock breakout emission driven by jets in newborn compact objectsPrincipal Investigator
- Principal Investigator
  
  仏坂健太
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  The University of Tokyo
Nebular emission of KilonovaePrincipal Investigator
- Principal Investigator
  
  Hotokezaka Kenta
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 16010:Astronomy-related
- Research Institution
  The University of Tokyo
Computing electromagnetic and gravitational-wave signals from neutron star mergers
- Principal Investigator
  
  Shibata Masaru
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Kyoto University
Inclusive study on gravitational-wave astrophysics
- Principal Investigator
  
  横山順一
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section B
- Research Institution
  The University of Tokyo

All 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Heavy-element production in a compact object merger observed by JWST2023
- Author(s)
  Levan Andrew J.、Gompertz Benjamin P.、Salafia Om Sharan、Bulla Mattia、Burns Eric、Hotokezaka Kenta、et al
- Journal Title
  
  Nature
  
  Volume: 626 Issue: 8000 Pages: 737-741
- DOI
  10.1038/s41586-023-06759-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14513
[Journal Article] Transition Probabilities of Near-infrared Ce III Lines from Stellar Spectra: Applications to Kilonovae2023
- Author(s)
  Nanae Domoto, Jae-Joon Lee, Masaomi Tanaka, Ho-Gyu Lee, Wako Aoki, Miho N. Ishigaki, Shinya Wanajo, Daiji Kato, Hotokezaka Kenta
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 956 Issue: 2 Pages: 113-113
- DOI
  10.3847/1538-4357/acf65a
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KJ0317, KAKENHI-PROJECT-20K14513, KAKENHI-PROJECT-23H00127
[Journal Article] Gravitational Wave Signal for Quark Matter with Realistic Phase Transition2023
- Author(s)
  Fujimoto Yuki、Fukushima Kenji、Hotokezaka Kenta、Kyutoku Koutarou
- Journal Title
  
  Physical Review Letters
  
  Volume: 130 Issue: 9 Pages: 091404-091404
- DOI
  10.1103/physrevlett.130.091404
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03617, KAKENHI-PROJECT-19K14720, KAKENHI-PROJECT-18H05236, KAKENHI-PROJECT-19K21874, KAKENHI-PLANNED-22H05118, KAKENHI-PROJECT-20H05639, KAKENHI-PROJECT-23K22487
[Journal Article] Prospects of Gravitational-wave Follow-up through a Wide-field Ultraviolet Satellite: A Dorado Case Study2023
- Author(s)
  Dorsman Bas、Raaijmakers Geert、Cenko S. Bradley、Nissanke Samaya、Singer Leo P.、Kasliwal Mansi M.、Piro Anthony L.、Bellm Eric C.、Hartmann Dieter H.、Hotokezaka Kenta、Luko?i?t? Kamil?
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 944 Issue: 2 Pages: 126-126
- DOI
  10.3847/1538-4357/acaa9e
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Journal Article] Tellurium emission line in kilonova AT 2017gfo2023
- Author(s)
  Hotokezaka Kenta、Tanaka Masaomi、Kato Daiji、Gaigalas Gediminas
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society: Letters
  
  Volume: 526 Issue: 1 Pages: L155-L159
- DOI
  10.1093/mnrasl/slad128
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14513
[Journal Article] The First JWST Spectrum of a GRB Afterglow: No Bright Supernova in Observations of the Brightest GRB of all Time, GRB 221009A2023
- Author(s)
  Levan A. J. et al (K. Hotokezaka)
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 946 Issue: 1 Pages: L28-L28
- DOI
  10.3847/2041-8213/acc2c1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Journal Article] GW170817 4.5 Yr After Merger: Dynamical Ejecta Afterglow Constraints2022
- Author(s)
  Balasubramanian Arvind、Corsi Alessandra、Mooley Kunal P.、Hotokezaka Kenta、Kaplan David L.、Frail Dale A.、Hallinan Gregg、Lazzati Davide、Murphy Eric J.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 938 Issue: 1 Pages: 12-12
- DOI
  10.3847/1538-4357/ac9133
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Journal Article] Lanthanide Features in Near-infrared Spectra of Kilonovae2022
- Author(s)
  Domoto Nanae、Tanaka Masaomi、Kato Daiji、Kawaguchi Kyohei、Hotokezaka Kenta、Wanajo Shinya
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 939 Issue: 1 Pages: 8-8
- DOI
  10.3847/1538-4357/ac8c36
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KJ0317, KAKENHI-PROJECT-21K13912, KAKENHI-ORGANIZER-17H06357, KAKENHI-PROJECT-20H05639, KAKENHI-PROJECT-21H04997, KAKENHI-PROJECT-19H00694
[Journal Article] Electromagnetic Counterparts of Binary-neutron-star Mergers Leading to a Strongly Magnetized Long-lived Remnant Neutron Star2022
- Author(s)
  Kawaguchi Kyohei、Fujibayashi Sho、Hotokezaka Kenta、Shibata Masaru、Wanajo Shinya
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 933 Issue: 1 Pages: 22-22
- DOI
  10.3847/1538-4357/ac6ef7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00158, KAKENHI-PROJECT-21K13912, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06361, KAKENHI-PROJECT-20H05639
[Journal Article] Tungsten versus Selenium as a potential source of kilonova nebular emission observed by Spitzer2022
- Author(s)
  Hotokezaka Kenta、Tanaka Masaomi、Kato Daiji、Gaigalas Gediminas
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society: Letters
  
  Volume: 515 Issue: 1 Pages: L89-L93
- DOI
  10.1093/mnrasl/slac071
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14513, KAKENHI-PROJECT-20H05639, KAKENHI-PROJECT-19H00694
[Journal Article] Continued Radio Observations of GW170817 3.5 yr Post-merger2021
- Author(s)
  Balasubramanian Arvind、Corsi Alessandra、Mooley Kunal P.、Brightman Murray、Hallinan Gregg、Hotokezaka Kenta、Kaplan David L.、Lazzati Davide、Murphy Eric J.
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 914 Issue: 1 Pages: L20-L20
- DOI
  10.3847/2041-8213/abfd38
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Journal Article] Nebular Emission from Lanthanide-rich Ejecta of Neutron Star Merger2021
- Author(s)
  Hotokezaka Kenta、Tanaka Masaomi、Kato Daiji、Gaigalas Gediminas
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 506 Pages: 5863-5877
- DOI
  10.1093/mnras/stab1975
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639, KAKENHI-PLANNED-17H06363, KAKENHI-PROJECT-20K14513, KAKENHI-PROJECT-21H04997, KAKENHI-PROJECT-19H00694, KAKENHI-ORGANIZER-17H06357
[Journal Article] The Challenges Ahead for Multimessenger Analyses of Gravitational Waves and Kilonova: A Case Study on GW1904252021
- Author(s)
  Raaijmakers Geert、Nissanke Samaya、Foucart Francois、Kasliwal Mansi M.、Bulla Mattia、Fernndez Rodrigo、Henkel Amelia、Hinderer Tanja、Hotokezaka Kenta、Luko K、Venumadhav Tejaswi、Antier Sarah、Coughlin Michael W.、Dietrich Tim、Edwards Thomas D. P.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 922 Issue: 2 Pages: 269-269
- DOI
  10.3847/1538-4357/ac222d
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Journal Article] Radio afterglows from compact binary coalescences: prospects for next-generation telescopes2021
- Author(s)
  Dobie Dougal、Murphy Tara、Kaplan David L、Hotokezaka Kenta、BonillaAtaides Juan Pablo、Mahony Elizabeth K、Sadler Elaine M
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 505 Issue: 2 Pages: 2647-2661
- DOI
  10.1093/mnras/stab1468
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Journal Article] Hunting wide-area optical surveys for high proper motion isolated neutron stars2021
- Author(s)
  Toyouchi Daisuke、Hotokezaka Kenta、Takada Masahiro
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: 510 Issue: 1 Pages: 611-619
- DOI
  10.1093/mnras/stab3428
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639, KAKENHI-PROJECT-19H00677, KAKENHI-PROJECT-20K14513, KAKENHI-PLANNED-20H05855
[Journal Article] Multiwavelength Emission from Magnetically Arrested Disks around Isolated Black Holes2021
- Author(s)
  Kimura Shigeo S.、Kashiyama Kazumi、Hotokezaka Kenta
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 922 Issue: 1 Pages: L15-L15
- DOI
  10.3847/2041-8213/ac35dc
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H05639, KAKENHI-PROJECT-19J00198, KAKENHI-PROJECT-20K04010, KAKENHI-PROJECT-20H01904
[Presentation] Kilonova Spectrum: Photospheric and Nebular phases2023
- Author(s)
  Kenta Hotokezaka
- Organizer
  Multi-messenger Modeling of Neutron Star Mergers
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14513
[Presentation] Kilonova and Neutron Star Merger Plasma2023
- Author(s)
  Kenta Hotokezaka
- Organizer
  The 14th International Colloquium on Atomic Spec- tra and Oscillator Strengths for Astrophysical and Laboratory Plasmas
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14513
[Presentation] Kilonova2022
- Author(s)
  Kenta Hotokezaka
- Organizer
  NBIA Workshop on Radiation Transfer in Astrophysics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Presentation] Open questions in neutron star mergers (kilonova & r-process)2022
- Author(s)
  Kenta Hotokezaka
- Organizer
  TCAN22 on binary neutron stars workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Presentation] Element Identification in Kilonova2022
- Author(s)
  Kenta Hotokezaka
- Organizer
  EM Counterparts to GW Sources
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Presentation] Jet physics and remnant properties of neutron star mergers2021
- Author(s)
  Kenta Hotokezaka
- Organizer
  GWPAW
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Presentation] Models for the kilonova2021
- Author(s)
  Kenta Hotokezaka
- Organizer
  GWUniverse Inauguration Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639
[Presentation] Electromagnetic counterparts of neutron star mergers”2020
- Author(s)
  Kenta Hotokezaka
- Organizer
  The extreme Universe viewed in very-high-energy gamma-rays 2020
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H05639

1. Shibata Masaru (80252576)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
2. 関口雄一郎 (50531779)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. 井岡邦仁 (80402759)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 久徳浩太郎 (30757125)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. 田中雅臣 (70586429)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 川口恭平 (60822210)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. 横山順一 (50212303)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. カンノンキップ (50777886)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 伊藤洋介 (60443983)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 茂山俊和 (70211951)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 道村唯太 (80747006)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. Irwin Christopher・Michael (00961088)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. JANSSENS SOETKIN

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Hotokezaka Kenta 仏坂 健太

Research Projects

Research Products

Co-Researchers

Search for progenitors of gravitational-wave binary black holesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Theoretical studies for the multimessenger signals from strongly gravitating astrophysical phenomena

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Shock breakout emission driven by jets in newborn compact objectsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Nebular emission of KilonovaePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Computing electromagnetic and gravitational-wave signals from neutron star mergers

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Inclusive study on gravitational-wave astrophysics

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Heavy-element production in a compact object merger observed by JWST2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Transition Probabilities of Near-infrared Ce III Lines from Stellar Spectra: Applications to Kilonovae2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Gravitational Wave Signal for Quark Matter with Realistic Phase Transition2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Prospects of Gravitational-wave Follow-up through a Wide-field Ultraviolet Satellite: A Dorado Case Study2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Tellurium emission line in kilonova AT 2017gfo2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The First JWST Spectrum of a GRB Afterglow: No Bright Supernova in Observations of the Brightest GRB of all Time, GRB 221009A2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] GW170817 4.5 Yr After Merger: Dynamical Ejecta Afterglow Constraints2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Lanthanide Features in Near-infrared Spectra of Kilonovae2022

Author(s)

Journal Title

DOI

Data Source

Hotokezaka Kenta 仏坂健太