• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

UK-Japan Cooperative Study of Solar Flares with the SOLAR-A Spacecraft

Research Project

Project/Area Number 01044044
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionNational Astronomical Observatory

Principal Investigator

HIRAYAMA Tadashi (1990-1991)  Solar Physics Division, National Astronomical Observatory, 太陽物理学研究系, 教授 (20012841)

日江井 栄二郎 (1989)  国立天文台, 太陽物理学研究系, 教授

Co-Investigator(Kenkyū-buntansha) BENTLEY Robert D.  Mullard Space Science Laboratory, University College London, マラード宇宙科学研究所, 研究員
CULHANE J.L.  ロンドン大学, マラード宇宙科学研究所, 教授
OGAWARA Yoshiaki  Space Science Division, Institute of Space and Astronautical Sciences, 宇宙圏研究系, 教授 (80013671)
SAKAO Taro  Solar Physics Division, National Astronomical Observatory, 太陽物理学研究系, 助手 (00225781)
SUEMATSU Yoshinori  Solar Physics Division, National Astronomical Observatory, 太陽物理学研究系, 助手 (50171111)
TSUNETA Saku  Institute of Astronomy, University of Tokyo, 理学部, 助手 (50188603)
WATANABE Tetsuya  Solar Physics Division, National Astronomical Observatory, 太陽物理学研究系, 助教授 (60134631)
KOSUGI Takeo  Radio Astronomy Division, National Astronomical Observatory, 電波天文学研究系, 教授 (70107473)
CULHANE J. Leonard  Mullard Space Science Laboratory, University College London
CULHENE J.L.  ロンド大学, マラード宇宙科学研究所, 教授
Project Period (FY) 1989 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥10,800,000 (Direct Cost: ¥10,800,000)
Fiscal Year 1991: ¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 1990: ¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 1989: ¥3,600,000 (Direct Cost: ¥3,600,000)
KeywordsSolar X-ray Spectra / Bragg Crystal Spectrometer / Solar Corona / Solar Flares / 太陽高エネルギ-現象 / 軟X線高分解能観測 / ブラック分光器 / 日英協力研究
Research Abstract

The SOLAR-A (Yohkoh) mission was successfully launched on August 30, 1991.
The onboard scientific instruments have been in good condition and returning new data of the sun in X-ray and gamma-ray wavelengths. Bragg crystal spectrometer, developed and manufactured under the UK-Japan collaboration, revealed new aspects of coronal and flare diagnostics. A flare-like chromospheric evaporation takes place in an sub C class activity, which may have a key to understand the heating mechanism of solar corona. Hydrogen like iron spectra in small M class flares were taken for the first time with an improved spectral resolution. Totally blueshifted spectra of soft X-ray emission lines clearly indicate the evidence of chromospheric evaporation in solar flares. Element abundances in the corona are sometimes different from those in the photosphere and change according to the development of solar flares. Data analysis softwares in the workstations linked together, provide an efficient analysis system of data downlinked both at Kagoshima "Space Center and at Deep Space Network Stations, NASA.

Report

(2 results)
  • 1991 Final Research Report Summary
  • 1990 Annual Research Report
  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Y.Ogawara et al.: "The SOLARーA Mission;an Overview" Solar Physics. 136. 1-16 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Kosugi et al.: "The Hard XーRay Telescope" Solar Physics. 136. 17-36 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S.Tsuneta et al.: "The Soft XーRay Telescope" Solar Physics. 136. 37-68 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M.Yoshimori et al.: "The Wide Band Spectrometer on the SOLARーA" Solar Physics. 136. 69-88 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] J.L.Culhane et al.: "The Bragg Crystal Spectrometer for SOLARーA" Solar Physics. 136. 89-104 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M.D.Morrison et al.: "SOLARーA Reformatted Date Files and Observing Log" Solar Physics. 136. 105-110 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Y.Uchida,R.C.Canfield T.Watanabe,and E.Hiei: "Flare Physics in Solar Activity Maximum 22" Springer Verlag, 1-360 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Z.Sveska and Y.Uchida: "The Yohkoh(SOLARーA)Mission" Kluwer Academic Publishers, 1-110 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Y. Ogawara et al.: "The SOLAR-A Mission ; an Overview" Solar Physics. 136. 1-16 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Kosugi et al.: "The Hard X-Ray Telescope" Solar Physics. 136. 17-36 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Tsuneta et al.: "The Soft X-Ray Telescope" Solar Physics. 136. 37-68 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M. Yoshimori et al.: "The Wide Band Spectrometer on the SOLAR-A" Solar Physics. 136. 69-88 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] J. L. Culhane et al.: "The Bragg Crystal Spectrometer for SOLAR-A" Solar Physics. 136. 89-104 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Y. Uchida, R. C. Canfield, T. Watanabe, and E. Hiei: Springer Verlag. Flare Physics in Solar Activity Maximum 22, 1-360 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Z. Svestka and Y. Uchida: Kluwer Academic Publisher. The SOLAR-A (SOLAR-A) Mission, 1-110 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Hirayama: "Magnetic Morphologies of Solar Flares" Lecture Note in Physics“Flare Physics in Activity Maximum 22"ed.Y.Uchida,R.C.Canfield,E.Hiei,T.Watanabe. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Kosugi: "Hard XーRay Telescope(HXT)" Advances in Space Research.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Watanabe: "The SOLARーA Related Science Programs" Advances in Space Research. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] J.L.Culhane,E.Hiei,R.D.Bentley,C.M.Brown,G.A.Doschek,J.Lang,T.Watanabe: "Plasma Diagnostics with the SOLARーA Bragg Crystal Spectrometer" Advances in Space Research. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Ogawara,T.Hirayama,H.Kurokawa: "The SOLARーA Mission" Advances in Space Research. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakao and the SOLARーA HXT Team: "The Hard XーRay Telescope Onboard SOLARーA" Lecture Note in Physics"Flare Physics in Activity Maximum 22"ed.Y.Uchida,R.C.Canfield,E.Hiei,T.Watanabe. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Uchida,R,C.Canfield,E.Hiei,T.Watanabe: "Lecture Note in Physics"Flare Physics in Activity Maximum 22"" Springer Verlag, 1-450 (1991)

    • Related Report
      1990 Annual Research Report

URL: 

Published: 1989-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi