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Observational Studies of Magnetic Energy Storage and Release in Solar Flares

Research Project

Project/Area Number 63065001
Research Category

Grant-in-Aid for Specially Promoted Research

Allocation TypeSingle-year Grants
Research InstitutionNational Astronomical Observatory

Principal Investigator

SAKURAI Takashi (1989-1992)  National Astron. Obs., Professor, 太陽物理学研究系, 教授 (40114491)

田中 捷雄 (1988)  国立天文台, 太陽物理学研究系, 教授 (90011593)

Co-Investigator(Kenkyū-buntansha) ICHIMOTO Kiyoshi  National Astron. Obs., Assistant, 太陽物理学研究系, 助手 (70193456)
HIEI Eijiro  Meisei University, Professor (60012796)
TANAKA Katsuo  National Astron. Obs., Professor (90011593)
桜井 隆  国立天文台, 太陽物理学研究系, 助教授 (40114491)
Project Period (FY) 1988 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥215,900,000 (Direct Cost: ¥215,900,000)
Fiscal Year 1992: ¥10,000,000 (Direct Cost: ¥10,000,000)
Fiscal Year 1991: ¥35,000,000 (Direct Cost: ¥35,000,000)
Fiscal Year 1990: ¥42,000,000 (Direct Cost: ¥42,000,000)
Fiscal Year 1989: ¥60,000,000 (Direct Cost: ¥60,000,000)
Fiscal Year 1988: ¥68,900,000 (Direct Cost: ¥68,900,000)
KeywordsSolar Physics / Solar Activity / Solar Flares / Sunspots / Solar Magnetic Fields / Solar Telescopes / Solar X-Rays / Solar Corona / CCD検出器 / 複屈折干渉フィルタ- / 磁気光学フィルター
Research Abstract

Solar flares are believed to be a process of liberating magnetic energy stored in the solar atmosphere. The aim of this research is to study this process by means of a modern observational instrument. We constructed in 1988 the instrument called the Solar Flare Telescope. This telescope has the capability of observing the magnetic field, velocity field, photospheric and chromospheric structures of the sum simultaneously. Since the launch of the X-ray observing satellite 'Yohkoh', we have been conducting cooperative observations with 'Yohkoh'.
1. In 1991 June we succeeded in observing a very active sunspot group, which produced several energetic flares. In particular we detected small patches of flare brightenings in white light, which had never been observed before.
2. We have detected an unambiguous change in magnetic fields which was associated with a flare of February 6, 1992. Yohkoh also observed a clear change in the structure of coronal loops.
3. In a large flare of November 2, 1992, which occurred at the limb of the sun, our H-alpha observation shows a loop prominence system which was displaced from an X-ray flare arch. This supports the flare model in which hot X-ray loops cool and evolve into H-alpha emitting plasma.

Report

(6 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • 1990 Annual Research Report
  • 1989 Annual Research Report
  • 1988 Annual Research Report
  • Research Products

    (91 results)

All Other

All Publications (91 results)

  • [Publications] T.Sakurai: "Computational Modeling of magnetic Fields in Solar Active Regions" Space Sci.Rev.51. 11-48 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Magnetic Equilibria and Instabilities" Solar Phys.121. 347-360 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai,E.Hiei: "Structure of the Solar Corona" IAU Highlights of Astronomy. 8. 513-516 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai他: "Construction of Long-Life Magneto-Optical Filters for Helioseismology Observations" Lecture Notes in Physics. 367. 277-279 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] S.T.Wu他: "A Comparison between Progressive Extension Method and Iterative Method for Magnetic Field Extrapolations in the Solar Atmosphere" J.Italian Astron.Soc.61. 477-484 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Tanaka: "Studies on a Very Flare-Active Delta Group Peculiar Delta Spot Evolution and Inferred Subsurface Magnetic Rope Structure" Solar Phys.136. 133-149 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Coronal Observations with Solar-A Satellite" Adv.Space Res.11(1). 349-358 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "New Perspectives in Flare Models and Theories" Adv.Space Res.11(5). 17-26 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Observations from the Hinotori Mission" Phil.Trans.Roy.Soc.London. A336. 339-347 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] H.Zhang他: "Fine Structures of Chromospheric Magnetic Field and Material Flow in a Solar Active Region" Solar Phys.136. 269-293 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Magnetic Structures in the Corona" Lecture Notes in Physics. 387. 245-258 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Ichimoto他: "Solar Flare Telescope and 10-cm New Coronagraph" Lecture Notes in Physics. 387. 320-323 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] E.Hiei: "The Solar Activity-Oriented Japanese Programme" Adv.Space Res.11(5). 51-55 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] C.Fang他: "Ca II K Line Asymmetries of two Well Observed Solar Flares of October 18,1990" Solar Phys.135. 89-97 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai他: "White-Light Flares of 1991 June in the NOAA Region 6659" Publ.Astron.Soc.Japan. 44. L7-L13 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakutai他: "Flare-Related Relaxation of Magnetic Shear as Observed with the Soft X-Ray Telescope of Yohkoh and with Vector Magnetographs" Publ.Astron.Soc.Japan. 44. L123-L127 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Shibata他: "Observation of X-Ray Jets Using Yohkoh Soft X-Ray Telescope" Publ.Astron.Soc.Japan. 44. L173-L179 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] C.Fang他: "Ca II K Line Diagnostics of the Dynamics in Solar Flare Atmosphere" Publ.Astron.Soc.Japan. 44. 63-72 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] E.Hiei他: "White Light Flare Observed at the Solar Limb" Publ.Astron.Soc.Japan. 44. 55-62 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Magnetic Field Structures and Flares" Adv.Space Res.(1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Computational Modeling of Solar Magnetic Fields" Publ.Astron.Soc.Pacific. (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Ichimoto他: "Magnetic Field Observation with the Solar Flare Telescope" Publ.Astron.Soc.Pacific. (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] M.Makita他: "Ten Years of the Okayama Vector Magnetograph" Publ.Astron.Soc.Pacific. (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Computational Modeling of Magnetic Fields in Solar Active Regions" Space Sci. Rev.51. 11-48 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Magnetic Equilibria and Instabilities" Solar Phys.121. 347-360 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai and E.Hiei: "Structure of the Solar Corona" IAU Highlights of Astronomy. 8. 513-516 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai et al.: "Construction of Long-Life Magneto-Optical Filters for Helioseismology Observations" Lecture Notes in Physics. 367. 277-279 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] S.T.Wu, M.T.Sun, and T.Sakurai: "A Comparison between Progressive Extension Method and Iterative Method for Magnetic Field Extrapolations in the Solar Atmosphere" J. Italian Astron. Soc.61. 477-484 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Tanaka: "Studies on a Very Flare-Active Delta Group Peculiar Delta Spot Evolution and Inferred Subsurface Magnetic Rope Structure" Solar Phys.136. 133-149 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Coronal Observations with Solar-A Satellite" Adv. Space Res.11. 349-358 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "New Perspectives in Flare Models and Theories" Adv. Space Res.11. 17-26 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Observations from the Hinotori Mission" Phil. Trans. Roy. Soc. London. A336. 339-347 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] H.Zhang, G.Ai, T.Sakurai, and H.Kurokawa: "Fine Structures of Chromospheric Magnetic Field and Material Flow in a Solar Active Region" Solar Phys.136. 269-293 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Magnetic Structures in the Corona" Lecture Notes in Physics. 387. 245-258 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Ichimoto et al.: "Solar Flare Telescope and 10-cm New Coronagraph" Lecture Notes in Physics. 387. 320-323 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] E.Hiei: "The Solar Activity-Oriented Japanese Programme" Adv. Space Res.11. 51-55 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] C.Fang, E.Hiei, and T.Okamoto: "Ca II K Line Asymmetries of Two Well Observed Solar Flares of October 18, 1990" Solar Phys.135. 89-97 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai et al.: "White-Light Flares of 1991 June in the NOAA Region 6659" Publ. Astron. Soc. Japan. 44. L7-L13 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai et al.: "Flare-Related Relaxation of Magnetic Shear as Observed with the Soft X-Ray Telescope of Yohkoh and with Vector Magnetographs" Publ. Astron. Soc. Japan. 44. L123-L127 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Shibata et al.: "Observations of X-Ray Jets Using Yohkoh Soft X-Ray Telescope" Publ. Astron. Soc. Japan. 44. L173-L179 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] C.Fang, E.Hiei, S.Yin, and W.Gan: "Ca II K Line Diagnostics of the Dynamics in Solar Flare Atmosphere" Publ. Astron. Soc. Japan. 44. 63-72 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] E.Hiei, Y.Nakagomi, and H.Takuma: "White Light Flare Observed at the Solar Limb" Publ. Astron. Soc. Japan. 44. 55-62 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Magnetic Field Structures and Flares" Adv. Space Res.(1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai: "Computational Modeling of Solar Magnetic Fields" Publ. Astron. Soc. Pacific. (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K.Ichimoto et al.: "Magnetic Field Observation with the Solar Flare Telescope" Publ. Astron. Soc. Pacific. (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] M.Makita, et al.: "Ten Years of the Okayama Vector Magnetograph" Publ. Astron. Soc. Pacific. (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] T.Sakurai他: "White-Light Flares of 1991 June in the NOAA Region 6659" Publ.Astron.Soc.Japan. 44. L7-L13 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Sakurai他: "Flare-Related Relaxation of Magnetic Shear as Observed with the Soft X-Ray Telescope of Yonkon and with Vector Magne-tographs" Publ.Astron.Soc.Japan. 44. L123-L127 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Sakurai: "Magnetic Field Structures and Flares" Adv.Space Res.(1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Sakurai: "Computational Modeling of Solar Magnetic Fields" Publ.Astron.Soc.Pacific. (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] K.Ichimoto他: "Magnetic Field Observation with the Solar Flare Telescope" Publ.Astron.Soc.Pacific. (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] K.Shibata他: "Observations of X-Ray Jets Using Yohkoh Soft X-Ray Telescope" Publ.Astron.SOc.Japan. 44. L173-L179 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Sakurai: "Coronal Observations with Solar-A Satellite" Adv.Space Res.11(1). 349-358 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai: "Helioseismology Observations by Solar-A Satellite" Adv.Space Res.11(4). 89-92 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai: "New Perspectives in Flare Models and Theories" Adv.Space Res.11(5). 17-26 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai,M.Goossens and J.V.Hollweg: "Resonant Absorption of Waves by Magnetic Flux Tubes I.Connection Formulae at the Resonance Surface" Solar Phys.133. 227-245 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai,M.Goossens and J.V.Hollweg: "Resonant Absorption of Waves by Magnetic Flux Tubes II.Absorption of Sound Wavers by Sunspots" Solar Phys.133. 247-262 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai: "Observations from the Hinotori Mission" Phil.Trans.Roy.Astron.Soc.A336. 339-347 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] H.Zhan,G.Ai,T.Sakurai and H.Kurokawa: "Fine Structures of Chromospheric Magnetic Field and Material Flow in a Solar Active Region" Solar Phys.136. 269-293 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai: "Magnetic Structures in the Corona" Lecture Notes in Physics,"Flare Physiscs in Solar Activity Maximum 22" (Springer Verlag). 245-258 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Sakurai,K.Ichimoto,E.Hiei,他8名: "WhiteーLight Flares of June 1991 in the NOAA Region 6659" Publ.Astron.Soc.Japan. 44. L7-L13 (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] C.Fang,E.Hiei and T.Okamoto: "CaII K Line Asymmetries in Two Well-Observed Solar Flares of October 18,1990" Solar Phys.135. 89-97 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] C.Fang,T.Osamoto and E.Hiei: "Emission Lines in the Spectra of the 3B Flare of September 19,1989" Publ.Natl.Astron.Obs.Japan. 2. 173-183 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] E.Hiei: "The Solar Activity-Oriented Japanese Programme" Adv.Space Res.11(5). 51-55 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] E.Hiei,Y.Nakagomi and H.Takuma: "A White Light Flare Observed at the Solar Limb" Publ.Astron.Soc,Japan. 55-62 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] C.Fang,E.Hiei,S.Yin and W.Gan: "CaII K Line Diagnostics of the Dynamics of the Solar Flare Atomosphere" Publ.Astron.Soc.Japan. 63-72 (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] K.Ichimoto,G.Fang and E.Hiei: "HeI 10830A^^゚ Observations at the Norikura Solar Observatory" The 1st ChinaーJapan Seminar on Solar Physics(Yunnan Observatory). (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] Y.Uchida,R.C.Canfield,T.Watanabe and E.Hiei: "Lecture Notes in Physics,387,"Flare Physics in Solar Activity" Springer Verlag, 360 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] E.Hiei,K.Ichimoto and C.Fang: "He I 10830A^^° Observation of the Active Region" Lecture Notes in Physics“Proceedings of SolarーA Science Meeting"(Springer Verlag). (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Z.Suemoto,E.Hiei and Y.Nakagomi: "Continuous and Line Spectra of Granules and Intergranular Lanes" Solar Phys.127. 11-28 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Ichimoto 他7名: "Solar Flare Telescope and 10cm New Coronagraph" Lecture Notes in Physics“Proceedings of SolarーA Science Meeting"(Springer Verlag). (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.A.Kambry,J.Nishikawa,T.Sakurai,K.Ichimoto and E.Hiei: "Solar Meridional Motions Derived from Sunspot Observations" Solar Phys.132. 41-48 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai: "Magnetic Structures in the Corona" Lecture Notes in Physics“Proceedings of SolarーA Science Meeting"(Springer Verlag). (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] J.L.Culhane,E.Hiei 他5名: "Plasma Diagnostics with the SolarーA Bragg Crystal Spectrometer" Adv.Space Res.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai: "Coronal Observations with SolarーA Satellite" Adv.Sp.Res.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai: "New Perspectives in Flare Models and Theories" Adv.Sp.Res.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai: "Helioseismology Observations by SolarーA Satellite" Adv.Sp.Res.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai,M.Goossens and J.V.Hollweg: "Resonant Absorption of Waves by Magnetic Flux Tubes I" Solar Phys.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai,M.Goossens and J.V.Hollweg: "Resonant Absorption of Waves by Magnetic Flux Tubes II" Adv.Sp.Res.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sakurai: "Computational Modeling of Magnetic Fields in Solar Active Regions" Space Science Reviews. 51. 11-48 (1988)

    • Related Report
      1989 Annual Research Report
  • [Publications] T.Sakurai: "Magnetic Equilibria and Instabilities" Solar Physics. 121. 347-360 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] T.Sakurai and E.Hiei: "Structure of the Solar Corona" IAU Highlights of Astronomy. 8. 513-516 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] T.Sakurai: "Magnetohydrodynamic Solar Stellar Wind Models" Comp.Phys.Reports. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] T.Sakurai 他: "Construction of Long-Life Magneto-Optical Filters for Helioseismology Observations" Springer Lecture Notes in Physic“Progress of Seismology of the Sun and Stars". (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] Z.Suemoto,E.Hiei,Y.Nakagomi: "Continuous and Line Spectra of Granules and Intergranular Lanes" Solar Physics. 347-360 (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] M.Irie,H.Fukushima,E.Hiei: "Eruptive Prominence of January 30,1989" Publ.National Astron.Obs.Japan. 1. 177-179 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Ichimoto,E.Hiei,Y.Nakagomi: "Spectral Manifestation of the Granular Velocity Field" Publ.Astron.Soc.Japan. 41. 333-341 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Tanaka: "Studies on a Very Flare-Active δ Group" Solar Physics. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] T.Sakurai: Space Science Reviews. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] T.Sakurai: Solar Physics. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] T.Sakurai: Solar Physics. (1989)

    • Related Report
      1988 Annual Research Report

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Published: 1988-04-01   Modified: 2016-04-21  

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