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Study on evolution of massive stars and their supernova explosion in the light of multi-dimensional hydrodynamics and nucleosynthesis

Research Project

Project/Area Number 25400281
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionNational Institute of Technology, Kumamoto College

Principal Investigator

Shin-ichiro Fujimoto  熊本高等専門学校, 制御情報システム工学科, 教授 (10342586)

Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords超新星爆発 / 元素合成 / 大質量星進化 / 核反応 / 恒星進化 / 大質量星
Outline of Final Research Achievements

The project has three major outcomes; (1) By performing simulations of aspherical supernova (SN) explosion of progenitors, which have (10-40) solar masses and nucleosynthetic calculation in SN ejecta, I evaluate abundances and masses of elements of the SN ejecta. In case of early explosion, in which SN explosion occurs 300-400msec after the core-bounce, the evaluated abundances and masses of the ejecta well reproduce the solar abundances and observed masses of elements in SN1987A. (2) We have developed a 2D hydrodynamic code, in which heat produced through nuclear reactions are taken into account. I have examined effects of the heats on the SN explosion in terms of the 2D code. I found that the effects are small on the explosion and nucleosynthesis. (3) I found two progenitors(19.4 and 25 solar masses), whose SN ejecta have abundant 44Ti comparable to the mass observed in SN1987A if I use experimental upper bound of 40Ca(alpha,gamma)44Ti rates and lower bound of 44Ti(alpha,p)47V rates.

Report

(5 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (20 results)

All 2017 2016 2015 2014 2013

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (17 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Post-shock-revival Evolutions in the Neutrino-heating Mechanism of Core-collapse Supernovae2013

    • Author(s)
      Y. Yamamoto, S. Fujimoto, H. Nagakura and S. Yamada
    • Journal Title

      The Astrophysical Journal

      Volume: 771 Issue: 1 Pages: 1-17

    • DOI

      10.1088/0004-637x/771/1/27

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Constraint on Heavy Element Production in Inhomogeneous Big-Bang Nucleosynthesis from the Light Element Observations2013

    • Author(s)
      Riou Nakamura, Masa-aki Hashimoto, Shin-ichiro Fujimoto, Katsuhiko Sato
    • Journal Title

      Journal of Astrophysics

      Volume: 587294 Pages: 1-9

    • DOI

      10.1155/2013/587294

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Constraint on Heavy Element Production in Inhomogeneous Big-Bang Nucleosynthesis from the Light Element Observations2013

    • Author(s)
      Riou Nakamura, Masa-aki Hashimoto, Shin-ichiro Fujimoto, and Katsuhiko Sato
    • Journal Title

      Journal of Astrophysics

      Volume: 2013 Pages: 1-9

    • DOI

      10.1155/2013/506146

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 非球対称な重力崩壊型超新星爆発における元素合成の大質量星質量依存性2017

    • Author(s)
      藤本 信一郎, 小野 勝臣, 橋本 正章, 固武 慶
    • Organizer
      日本天文学会2017年春期年会
    • Place of Presentation
      九州大学(福岡県福岡市)
    • Year and Date
      2017-03-15
    • Related Report
      2016 Annual Research Report
  • [Presentation] 非球対称な重力崩壊型超新星爆発における元素合成の親星質量依存性2017

    • Author(s)
      藤本 信一郎, 小野 勝臣, 橋本 正章, 固武 慶
    • Organizer
      新学術「地下素核研究」第3回超新星ニュートリノ研究会
    • Place of Presentation
      東北大学(宮城県仙台市)
    • Year and Date
      2017-03-04
    • Related Report
      2016 Annual Research Report
  • [Presentation] Nucleosynthesis in asymmetric, core-collapse supernovae of massive stars2016

    • Author(s)
      Shin-ichiro Fujimoto, Masa-aki Hashimoto, Masaomi Ono, Kei Kotake
    • Organizer
      Nuclei in the Cosmos XIV
    • Place of Presentation
      Niigata, Japan
    • Year and Date
      2016-06-19
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Nucleosynthesis in core collapse supernovae based on 2D hydrodynamic simulations2016

    • Author(s)
      藤本 信一郎
    • Organizer
      18th Ringberg Workshop on Nuclear Astrophysics
    • Place of Presentation
      Ringberg, Germany
    • Year and Date
      2016-03-14
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 重力崩壊型超新星爆発におけるNi,Ti元素合成2016

    • Author(s)
      藤本 信一郎
    • Organizer
      宇宙核物理連絡協議会研究会
    • Place of Presentation
      国立天文台(東京都三鷹市)
    • Year and Date
      2016-02-22
    • Related Report
      2015 Research-status Report
  • [Presentation] Ti and Ni in a neutrino-driven, aspherical supernova2015

    • Author(s)
      藤本 信一郎
    • Organizer
      Workshop on Supernovae and Their Remnant
    • Place of Presentation
      Kanagawa, Japan
    • Year and Date
      2015-11-09
    • Related Report
      2015 Research-status Report
  • [Presentation] 非球対称な重力崩壊型超新星爆発におけるp過程核元素合成2015

    • Author(s)
      藤本 信一郎
    • Organizer
      日本天文学会2015年秋期年会
    • Place of Presentation
      甲南大学(兵庫県神戸市)
    • Year and Date
      2015-09-09
    • Related Report
      2015 Research-status Report
  • [Presentation] Nucleosysthesis in Asperical Supernovae of Pop. III Stars2015

    • Author(s)
      藤本 信一郎
    • Organizer
      First stars, galaxies, and black holes - Now and Then
    • Place of Presentation
      Groningen, Netherlands
    • Year and Date
      2015-06-15
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] P-process nucleosynthesis in neutrino-driven, aspherical supernova explosion of massive stars2015

    • Author(s)
      藤本 信一郎
    • Organizer
      P-process workshop 2015: status and outlook
    • Place of Presentation
      Limassol, Cyprus
    • Year and Date
      2015-06-10
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] MagnetarおよびCollapsarモデルに基づくr-process元素合成--ニュートリノ吸収の影響2015

    • Author(s)
      藤本 信一郎 (熊本高専), 小野 勝臣, 橋本 正章 (九州大学)
    • Organizer
      日本天文学会2015年春期年会
    • Place of Presentation
      大阪大学 (大阪府豊中市)
    • Year and Date
      2015-03-18 – 2015-03-21
    • Related Report
      2014 Research-status Report
  • [Presentation] 高速回転大質量星の磁気駆動型超新星爆発におけるr-process元素合成2015

    • Author(s)
      藤本 信一郎 (熊本高専), 小野 勝臣, 橋本 正章 (九州大学)
    • Organizer
      研究会「コンパクト連星合体からの重力波・電磁波放射とその周辺領域」
    • Place of Presentation
      京都大学(京都府京都市)
    • Year and Date
      2015-02-12 – 2015-02-14
    • Related Report
      2014 Research-status Report
  • [Presentation] R-process Nucleosynthesis in Baryon-Rich Jets from Collapsars and Magnetars2014

    • Author(s)
      Shin-ichiro Fujimoto, Masa-aki Hashimoto, Masaomi Ono
    • Organizer
      Proc. XIII International Symposium on Nuclei in the Cosmos
    • Place of Presentation
      Debrecen, Hungury
    • Year and Date
      2014-07-07 – 2014-07-11
    • Related Report
      2014 Research-status Report
  • [Presentation] Pop.II・III大質量星の非球対称重力崩壊型超新星爆発における爆発的元素合成2014

    • Author(s)
      藤本 信一郎 (熊本高専), 固武 慶 (国立天文台), 橋本 正章, 小野 勝臣 (九大理), 大西 直文 (東北大)
    • Organizer
      研究会「初代星・初代銀河研究会」
    • Place of Presentation
      鹿児島大学 (鹿児島県鹿児島市)
    • Related Report
      2013 Research-status Report
  • [Presentation] MagnetarおよびCollapsarモデルに基づくr-process元素合成2014

    • Author(s)
      藤本 信一郎 (熊本高専), 橋本 正章, 小野 勝臣 (九州大学), 固武 慶 (福岡大学)
    • Organizer
      日本天文学会2014年春期年会
    • Place of Presentation
      国際基督教大学 (東京都三鷹市)
    • Related Report
      2013 Research-status Report
  • [Presentation] Effects of neutrino interactions on nucleosynthesis during neutrino-driven, aspherical supernovae2013

    • Author(s)
      Shin-ichiro Fujimoto, Masa-aki Hashimoto, Masaomi Ono, Kei Kotake
    • Organizer
      International symposium on Nuclear Physics in Astrophysics
    • Place of Presentation
      Lisbon, Portugal
    • Related Report
      2013 Research-status Report
  • [Presentation] Production of Ti44 in neutrino-driven aspherical supernova explosions2013

    • Author(s)
      Shin-ichiro Fujimoto, Masa-aki Hashimoto, Masaomi Ono, Kei Kotake
    • Organizer
      12th International Symposium on Origin of Matter and Evolution of Galaxies
    • Place of Presentation
      Tsukaba, Japan
    • Related Report
      2013 Research-status Report
  • [Presentation] 非球対称超新星爆発の放出ガス組成に対するニュートリノ照射の影響2013

    • Author(s)
      藤本 信一郎 (熊本高専), 小野 勝臣 (理化学研究所), 橋本 正章 (九州大学), 固武 慶 (福岡大学)
    • Organizer
      日本天文学会2013年秋期年会
    • Place of Presentation
      東北大学(宮城県仙台市)
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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