Gravitational waves from the remnants of primordial stars

• Project/Area Number: 16H06715
• Research Category: Grant-in-Aid for Research Activity Start-up
• Allocation Type: Single-year Grants
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: The University of Tokyo
• Principal Investigator: Kinugawa Tomoya 東京大学, 宇宙線研究所, 特任研究員 (90779159)
• Project Period (FY): 2016-08-26 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
• Keywords: 連星進化 / 初代星 / 重力波 / 金属量進化 / ブラックホール / 宇宙物理 / 理論天文学

Outline of Final Research Achievements

I researched binary evolutions and expected what kind of binaries will be observed. I wrote papers such as the neutron star - black hole binary of first star for gravitational wave observation, whether the binary black hole of first star ca distinguish from the binary black hole formed at the present day, and the gamma ray burst rate of the binary merger model.

Research Products

• [Int'l Joint Research] プリンストン大学/Flatiron Institute(米国)
• [Int'l Joint Research] コロンビア大学/Flatiron Institute(米国)
• [Journal Article] Formation pathway of Population III coalescing binary black holes through stable mass transfer (2017)
  • Author(s): Inayoshi Kohei、Hirai Ryosuke、Kinugawa Tomoya、Hotokezaka Kenta
  • Journal Title: Monthly Notices of the Royal Astronomical Society Volume: 468 Issue: 4 Pages: 5020-5032
  • DOI: 10.1093/mnras/stx757
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] How to confirm the existence of population III stars by observations of gravitational waves (2017)
  • Author(s): Miyamoto Akinobu、Kinugawa Tomoya、Nakamura Takashi、Kanda Nobuyuki
  • Journal Title: Physical Review D Volume: 96 Issue: 6 Pages: 6-9
  • DOI: 10.1103/physrevd.96.064025
  • Peer Reviewed / Open Access
• [Journal Article] Long Gamma-Ray Burst Rate in the Binary Merger Progenitor Model (2017)
  • Author(s): Kinugawa Tomoya、Asano Katsuaki
  • Journal Title: Astrophysical Journal Volume: 849 Issue: 2 Pages: L29-L29
  • DOI: 10.3847/2041-8213/aa95bb
  • Peer Reviewed
• [Journal Article] Formation pathway of Population III coalescing binary black holes through stable mass transfer (2017)
  • Author(s): K.Inayoshi, R.Hirai, T.Kinugawa and K.Hotokezaka
  • Journal Title: Monthly Notices of the Royal Astronomical Society Volume: 印刷中
  • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] The possible existence of Pop III NS-BH binary and its detectability (2017)
  • Author(s): T.Kinugawa, T.Nakamura and H.Nakano
  • Journal Title: Progress of Theoretical and Experimental Physics Volume: 2017.2 Issue: 2
  • DOI: 10.1093/ptep/ptx003
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] P re-DECIGO can get the smoking gun to decide the astrophysical or cosmological origin of GW150914-like binary black holes (2016)
  • Author(s): Nakamura, Takashi; Ando, Masaki; Kinugawa, Tomoya; et al.
  • Journal Title: PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS Volume: 9 Issue: 9 Pages: 930-930
  • DOI: 10.1093/ptep/ptw127
  • NAID: 120005973373
  • Peer Reviewed / Open Access
• [Presentation] 初代星起源ロングガンマ線バースト発生率 (2018)
  • Author(s): 衣川智弥、浅野勝晃
  • Organizer: 日本天文学会
• [Presentation] 初代星連星の重力波観測可能性 (2018)
  • Author(s): 衣川智弥
  • Organizer: 初代星・初代銀河研究会2017
  • Invited
• [Presentation] 連星合体モデルに基づいたGRB発生率 (2017)
  • Author(s): 衣川智弥、浅野勝晃
  • Organizer: 日本天文学会
  • Place of Presentation: 九州大学
  • Year and Date: 2017-03-15
• [Presentation] 連星合体モデルでのロングガンマ線バースト発生率 (2017)
  • Author(s): 衣川智弥
  • Organizer: Gravitational wave physics and astronomy: Genesis Group-A Boot camp
• [Presentation] 初代星起源コンパクト連星からの重力波とその特徴 (2017)
  • Author(s): 衣川智弥
  • Organizer: 日本天文学会
• [Presentation] Binary black hole remnants of first stars for the gravitational wave source (2017)
  • Author(s): Tomoya Kinugawa
  • Organizer: Collaborative Conference on Gravitational Wave
  • Int'l Joint Research / Invited
• [Presentation] Compact binary remnants of First stars for the gravitational wave source (2016)
  • Author(s): Tomoya Kinugawa
  • Organizer: Nuclear Physics, Compact Stars, and Compact Star Mergers 2016
  • Place of Presentation: Yukawa Institute for Theoretical physics
  • Year and Date: 2016-10-17
  • Int'l Joint Research