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Development of procedures to diagnose nonthermal electrons in solar flares via ultraviolet and soft x-ray line spectroscopy

Research Project

Project/Area Number 17K14314
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionJapan Aerospace EXploration Agency

Principal Investigator

Kawate Tomoko  国立研究開発法人宇宙航空研究開発機構, 宇宙科学研究所, 招聘研究員 (10647100)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords太陽物理 / 原子物理 / 分光学 / 粒子加速 / X線・紫外線分光 / プラズマ分光偏光 / 非平衡プラズマ / 太陽フレア / 原子データ / 核融合プラズマ / プラズマ物理 / 天体プラズマ / 高エネルギー / 太陽物理学 / 宇宙物理 / プラズマ・核融合
Outline of Final Research Achievements

The major results of this study are as follows; (1) Development of procedures to calculate emission line intensities under arbitrary electron energy distributions by using atomic data. (2) Derivation of fractions of high energy electrons from soft x-ray spectra observed in the large helical device, and confirmation that the developed model is valid with these emissions. (3) Identification of suitable lines for thermal non-equilibrium plasma diagnostics by measurements of the next solar space-borne telescope “Solar-C_EUVST”.

Academic Significance and Societal Importance of the Research Achievements

本研究により、太陽フレアのみならず衝突プラズマ一般において、過去および将来の紫外線・X線分光観測から高エネルギー電子の定量評価が可能な環境が整ったことが大きな意義となる。ただし、適切な輝線の組み合わせが限られること、またインプットとなる原子データの不定性により高エネルギー電子の誤差推定が難しくなることがあげられる。したがって、さらなる原子過程の理解と理論的・実験的な原子モデルの精度向上が今後の課題として挙げられる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (21 results)

All 2020 2019 2018 Other

All Int'l Joint Research (1 results) Journal Article (8 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 8 results,  Open Access: 1 results) Presentation (12 results) (of which Int'l Joint Research: 5 results,  Invited: 2 results)

  • [Int'l Joint Research] ケンブリッジ大学(英国)

    • Related Report
      2017 Research-status Report
  • [Journal Article] Estimating the Temperature and Density of a Spicule from 100 GHz Data Obtained with ALMA2020

    • Author(s)
      Shimojo Masumi、Kawate Tomoko、Okamoto Takenori J.、Yokoyama Takaaki、Narukage Noriyuki、Sakao Taro、Iwai Kazumasa、Fleishman Gregory D.、Shibata Kazunari
    • Journal Title

      The Astrophysical Journal

      Volume: 888 Issue: 2 Pages: L28-L28

    • DOI

      10.3847/2041-8213/ab62a5

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Solar-C_EUVST mission2019

    • Author(s)
      Shimizu T.、Imada S.、Kawate T.、Ichimoto K.、Suematsu Y.、他19名
    • Journal Title

      Proceedings of the SPIE

      Volume: 11118 Pages: 1111807-1111807

    • DOI

      10.1117/12.2528240

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Concept study of Solar-C_EUVST optical design2019

    • Author(s)
      Kawate Tomoko、Shimizu Toshifumi、Imada Shinsuke、Tsuzuki Toshihiro、Katsukawa Yukio、Hara Hirohisa、Suematsu Yoshinori、Ichimoto Kiyoshi、Warren Harry P.、Teriaca Luca、Korendyke Clarence M.、Brown Charles M.
    • Journal Title

      Proceedings of the SPIE

      Volume: 11118 Pages: 60-60

    • DOI

      10.1117/12.2527957

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Development of Solar-C_EUVST structural design2019

    • Author(s)
      Suematsu Yoshinori、Shimizu Toshifumi、Hara Hirohisa、Katsukawa Yukio、Kawate Tomoko、Ichimoto Kiyoshi、Imada Shinsuke
    • Journal Title

      Proceedings of the SPIE

      Volume: 11118 Pages: 61-61

    • DOI

      10.1117/12.2529010

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Infrequent Occurrence of Significant Linear Polarization in Hα Solar Flares2019

    • Author(s)
      Kawate, Tomoko; Hanaoka, Yoichiro
    • Journal Title

      The Astrophysical Journal

      Volume: 872 Issue: 1 Pages: 74-74

    • DOI

      10.3847/1538-4357/aafe0f

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Lost and found sunquake in the 6 September 2011 flare caused by beam electrons2018

    • Author(s)
      Macrae, Connor; Zharkov, Sergei; Zharkova, Valentina; Druett, Malcolm; Matthews, Sarah; Kawate, Tomoko
    • Journal Title

      Astronomy & Astrophysics

      Volume: 619 Pages: A65-A65

    • DOI

      10.1051/0004-6361/201832896

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Blue-wing enhancement of the chromospheric Mg II h and k lines in a solar flare2018

    • Author(s)
      Tei, Akiko; Sakaue, Takahito; Okamoto, Takenori J.; Kawate, Tomoko; Heinzel, Petr; UeNo, Satoru; Asai, Ayumi; Ichimoto, Kiyoshi; Shibata, Kazunari
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 70 Issue: 6 Pages: 100-100

    • DOI

      10.1093/pasj/psy047

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Measurement of vector magnetic field in a flare kernel with a spectropolarimetric observation in HeI 10830A2018

    • Author(s)
      Anan Tetsu、Yoneya Takurou、Ichimoto Kiyoshi、UeNo Satoru、Shiota Daikou、Nozawa Satoshi、Takasao Shinsuke、Kawate Tomoko
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 70 Issue: 6 Pages: 101-101

    • DOI

      10.1093/pasj/psy105

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] EUVST instrumental design and observation capability2019

    • Author(s)
      T. Kawate, T. Shimizu, S. Imada, T. Tsuzuki, Y. Katsukawa, H. Hara, Y. Suematsu, K. Ichimoto, H.P. Warren, L. Teriaca, C. M. Korendyke, C. Brown, B. De Pontieu
    • Organizer
      Hinode-13/IPELS
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 太陽フレアにおけるHa偏光の発生可能性についての観測的検証2019

    • Author(s)
      川手朋子、花岡庸一郎
    • Organizer
      日本地球惑星連合大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ALMA観測による太陽大気構造の理解2019

    • Author(s)
      川手朋子、岡本丈典、岩井一正、増田智、下条圭美
    • Organizer
      日本地球惑星連合大会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Concept study of Solar-C_EUVST optical design2019

    • Author(s)
      Tomoko Kawate, Toshifumi Shimizu, Shinsuke Imada, Toshihiro Tsuzuki, Yukio Katsukawa, Hirohisa Hara, Yoshinori Suematsu, Kiyoshi Ichimoto, Harry Warren, Luca Teriaca, Clarence M. Korendyke, and Charles Brown
    • Organizer
      SPIE
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] EUVST によるフレア加速粒子診断2019

    • Author(s)
      川手朋子
    • Organizer
      日本天文学会秋季年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Detection of Non-thermal Electrons in LHD plasmas via Fe-line Spectroscopy2019

    • Author(s)
      T. Kawate, M. Goto, I. Murakami, T. Watanabe
    • Organizer
      International Toki Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 赤外Ca II線を用いた太陽フレアにおける直線偏光の起源の調査2019

    • Author(s)
      川手朋子,阿南徹, 一本潔, 上野悟
    • Organizer
      「プラズマ分光計測と原子分子素過程研究の融合最前線」 「原子分子データ応用フォーラムセミナー」 合同研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 太陽フレアにおける高温プラズマと粒子加速2019

    • Author(s)
      川手朋子
    • Organizer
      高エネルギー宇宙物理連絡会研究会
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Detection of Non-thermal Electrons in LHD plasmas via Fe-line Spectroscopy2018

    • Author(s)
      T. Kawate, M. Goto, I. Murakami, T. Watanabe
    • Organizer
      Eleventh International Conference on Atomic and Molecular Data and Their Applications (ICAMDATA 2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Fe XXVの分光計測によるLHDプラズマにおける非熱的電子の検出2018

    • Author(s)
      川手朋子,後藤基志,村上泉,渡辺鉄哉
    • Organizer
      原子分子応用データフォーラム2018
    • Related Report
      2018 Research-status Report
  • [Presentation] EUVSTを用いたフレア加速粒子診断2018

    • Author(s)
      川手朋子
    • Organizer
      Solar-C_EUVST-SUNRISE-DKISTへの展望
    • Related Report
      2018 Research-status Report
  • [Presentation] 鉄イオンの分光計測によるLHDプラズマにおける非熱的電子の検出2018

    • Author(s)
      川手朋子
    • Organizer
      日本物理学会春季大会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2022-02-22  

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