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Research on Solar Flares and Solar Active Phenomena

Research Project

Project/Area Number 04302012
Research Category

Grant-in-Aid for Co-operative Research (A)

Allocation TypeSingle-year Grants
Research Field Astronomy
Research InstitutionScience University of Tokyo (1994)
The University of Tokyo (1992-1993)

Principal Investigator

UCHIDA Yutaka  Science University of Tokyo, Department of Physics, Professor, 理学部, 教授 (90012814)

Co-Investigator(Kenkyū-buntansha) MAKISHIMA Kazuo  University of Tokyo, Physics Department, Professor, 理学部, 教授 (20126163)
MAKITA Mitsugu  Kyoto University, Department of Cosmic Physics, Professor, 理学部, 教授 (90012806)
ENOME Shinzo  National Astronomical Observatory, Professor, 教授 (50023677)
KOSUGI Takeo  National Astronomical Observatory, Professor, 教授 (70107473)
HARAYAMA Tadashi  National Astronomical Observatory, Professor, 名誉教授 (20012841)
常田 佐久  東京大学, 大学院・理学系研究科, 助教授 (50188603)
Project Period (FY) 1992 – 1994
Project Status Completed (Fiscal Year 1994)
Budget Amount *help
¥10,100,000 (Direct Cost: ¥10,100,000)
Fiscal Year 1994: ¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1993: ¥3,900,000 (Direct Cost: ¥3,900,000)
Fiscal Year 1992: ¥3,900,000 (Direct Cost: ¥3,900,000)
KeywordsSolar flares / Solar magnetic fields / Yohkoh satellite / X-ray observation / Magnetic energy liberation / Magnetohydrodynamics / Mumerical simulation / 太陽 / フレア / 太陽活動 / 天体磁場 / 超高温現象 / 高エネルギー粒子 / コロナ / 太陽X線天文学 / フレア発生機構 / コロナ加熱機構 / 太陽風 / 電波ヘリオグラフ / ダイナモ機構 / 太陽X線観測 / 「陽光」衛星 / 太陽コロナ / 天体電磁流体現象 / 天体プラズマ現象
Research Abstract

The purpose of this Collaborative Research (A) is to organize the researchers of the ground-based optical and radio observers of the Sun together with the researchers in the research team for the X-ray solar physics satellite Yohkoh, in order to maximize the research outputs in this field, because the satellite Yohkoh is now regarded to be the cutting-edge observational tool by the researchers of the world in this research field, and it is important to make the most of the new observational results from it. Also, we intended to promote more of the international collaboration in this context because there are so many request of data from abroad. According to this purpose, the present project supported the cooerative analysis of data from other sources together with the Yohkoh data at the Yohkoh Data Analysis Center of ISAS,and helped the exchange between the ground-based observers and the Yohkoh research team. We held the joint meetings at the Meetings of the Astronomical Society of Jap … More an for the sake of comparison between the data observed in different wavelengths. We had a domestic symposium, "Symposium on Superhot and High Energy Phenomena on the Sun and Stars", in order to summarize the extended joint research between the researchers from different wavelength observations to seek for the mechanisms for the newly found phenomena by Yohkoh. Finally, we planned to hold an international conference in closing the thre year Cooperative Research (A), by asking for the sponsorship of the International Astronomical Union, which the field of research having shown conspicuous output can get. We successfully get it, and the Meeting was held as IAU Colloquium No.153, "Magnetodynamic Phenomena in the Solar Atmosphere---Prototypes of Stellar Magnetic Activity", on May 22-26 at Makuhari. Since the presentations by most of the Japanese researchers were based on their researches with the present Cooperative Research (A), we attach here the bunch of the manuscripts for the booklet on the outcome from the Cooperative Research (A). Less

Report

(4 results)
  • 1994 Annual Research Report   Final Research Report Summary
  • 1993 Annual Research Report
  • 1992 Annual Research Report
  • Research Products

    (37 results)

All Other

All Publications (37 results)

  • [Publications] K.Shibata et al.: "Observation of X-ray Jets with the Yohkoh Soft X-ray Telescope" Publ.Astron.Soc.Japan. 44. L173-180 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "Some Initial Results from the Yohkoh Observations of Solar High Temperature, High Energy Phenomena (Invited paper)" Adv.Space Res.9. 205-220 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "New Aspects of Solar Coronal Physics Revealed by Yohkoh (Invited paper)" Advances in Stellar and Solar Coronal Physics (book) (Kluwer Academic Publishers). 97-111 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida et al.: "Qadruple Magnetic Field in Arcade-type Flares" X-ray Solar Physics from Yohkoh (book) (Universal Academy Press). 161-164 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "Magnetodynamic Phenomena in the Corona as Revealed by Yohkoh" Solar Flare, Coronal and Heliospheric Dynamics (Elsevier Science Publications). 485-495 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "Problems for Arcade and Loop Flare Models Revealed by Yohkoh (Invited paper)" Magnetodynamic Phenomena in the Solar Atmosphere (book) (Kluwer Academic Publishers). (印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida et al.: "X-ray Solar Physics from Yohkoh" Universal Academy Press, 340 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida et al.: "Magnetodynamic Phenomena in the Solar Atmosphere" Kluwer Academic Publishers, 640 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.Shibata et al.: "Observation of X-ray Jets with the Yohkoh Soft X-ray Telescope" Publ.Astron.Soc.Japan. 44. L173-180 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "Some Initial Results from the Yohkoh Observations of Solar High Temperature, High Energy Phenomena (Invited paper)" Adv.Space Res.9. 205-220 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "New Aspects of Solar Coronal Physics Revealed by Yohkoh (Invited paper)" Advances in Stellar and Solar Coronal Physics (book) (Kluwer Academic Publishers). 97-111 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida et al.: "Qadruple Magnetic Field in Arcade-type Flares" X-ray Solar Physics from Yohkoh (book) (Universal Academy Press). 161-164 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "Magnetodynamic Phenomena in the Corona as Revealed Yohkoh" Solar Flare, Coronal and Heliospheric Dynamics (Elsevier Science Publications). 485-495 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida: "Problems for Arcade and Loop Flare Models Revealed by Yohkoh (Invited paper)" Magnetodynamic Phenomena in the Solar Atmosphere (book) (Kluwer Academic Publishers). (in press). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida et al.: X-ray Solar Physics from Yohkoh. Universal Academy Press, 1-340 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida et al.: Magnetodynamic Phenomena in the Solar Atmosphere. Kluwer Academic Publishers, 1-640 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Y.Uchida,et al.: "Injection of heated massinto helix-like structure from active region" Proc.Kofu Symposium “New Look at the Sun". 83-87 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] U.Feldman,Y.Uchida,et al.: "Morphology of the Ten Million K Plasma in Solar Flares" Astrophys.J.424. 444-458 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Shimizu,Y.Uchida,et al.: "Active Region Transient Brightening with the Yohkoh Soft X-ray Telescope" Astrophys.J.422. 906-911 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Uchida et al.: "Quadruple Magnetic Field in Arcade-type Flares" X-ray Solar Physics from Yohkoh. 161-164 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] P.Hicks,Y.Uchida et al.: "Synoptic IPS and Yohkoh Soft X-ray Observations" j.Geophys.Res.(in press). (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Uchida: "Magnetodynamical Phenomena in the Corona Observed by Yohkoh" Adv.Space Res.(in press). (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Uchida et al.: "X-ray Solar Physics from Yohkoh" Universal Academy Press(Tokyo), 340 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Uchida et al.: "Continual Expansion of the Active-Region Corona Observed by the Yohkoh Soft.X-Ray Telescope" Publ.Astron.Soc.Japan. 44. L155-L160 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] Y.Uchida: "Some Initial Results from the Yohkoh Observat ons of Solar High Temperature and High Energy Pheromena" Fundamental Problems of Solar Activity Pergamon in press.

    • Related Report
      1993 Annual Research Report
  • [Publications] Y.Ogawara et al.: "The Status of Yohkoh in Orbit" Publ.Astron.Soc.Japan. 44. L41-L44 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] L.Acton et al.: "The Yohkoh Mission for High Energy Solar Physics" Science. 258. 618-625 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] S.Tsuneta et al.: "Observation of a Solar Flare at the Limb with the Yohkoh Soft.X-Ray Telescope" Publ.Astron.Soc.Japan. 44. L63-L69 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] T.Shimizu et al.: "Transient Brightenings in Active Regions Observed by the Soft X-Ray Telescope on Yohkoh" Publ.Astron.Soc.Japan. 44. L147-L154 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] Y.Uchida et al.(eds.): "Flare.Physics in Solar Activity Maximum 22" Springer Verlag, 360 (1991)

    • Related Report
      1993 Annual Research Report
  • [Publications] Y.Uchida et al.(eds.): "X-ray Solar Physics from Yohkoh" Universal Academy Press, 420 (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] ,Uchida,Y.: "Continual Expansion of the Active Region Corona Observed by the Yohkoh Soft X-ray Telescope" Publ.Astron.Soc.Japan. 44. 155 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] McAllister,A.: "The Structure of the Corona l SoftX-ray Source Associated with the Dark Filament Disappearance of September 28,1991" Publ.Astron.Soc.Japan. 44. 205 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Shibata,K.: "Observaion of X-ray Jets with the Yohkoh X-ray Telescope" Publ.Astron.Soc.Japan. 44. 173 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Shinizu,T.: "Transient Brightenings in Active Regins Observed by the Soft X-ray telescope on Yohkoh" Publ.Astron.Soc.Japan. 44. 147 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Hudson,H.: "White-light Flares Observed by Yohkoh" Publ.Astron.Soc.Japan. 44. 17 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Acton,L.: "The Yohkoh Mission for High Energy Solar Physics" Science 258,618,. (1992)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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