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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. Proceedings of the Research Institute of Atmospherics, Nagoya University
  4. 36(2)

THE SUN AND THE HELIOSPHERE IN FEBRUARY-MARCH, 1986

http://hdl.handle.net/2237/22042
http://hdl.handle.net/2237/22042
dbd8105a-fec4-417e-83d7-47a1d6c7a82a
名前 / ファイル ライセンス アクション
proria_36_2_27.pdf proria_36_2_27.pdf (1.1 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-05-27
タイトル
タイトル THE SUN AND THE HELIOSPHERE IN FEBRUARY-MARCH, 1986
言語 en
著者 Saito, Takao

× Saito, Takao

WEKO 53736

en Saito, Takao

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Oki, Tosio

× Oki, Tosio

WEKO 53737

en Oki, Tosio

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 Conditions of the sun and the heliosphere are studied in relation to the intense disturbances of the earth's and cometary magnetospheres in February and March, 1986. In this sunspot minimum phase, the sun had essentially the southward axial dipole which was to produce a weak northward IMF. However, one bipolar magnetic region in the northern hemisphere of the sun was connected by "southward" magnetic loops to another bipolar magnetic region in the southern hemisphere, because the two regions were near the equator by the Maunder's butterfly law. The meridional connection on 60° heliolongitude formed an abnormal giant bipolar magnetic region (GBMR), which made a local and strong warp of the general equatorial neutral line on the solar source surface. Magnetic energy was deposited and confined by the southward magnetic loops from the meridional GBMR, from which a slow-speed solar wind blew for a few months. Then, an abnormally active :flare cluster started suddenly at the center of the meridional GBMR and the high-speed flare plasma broke the meridional magnetic loops, conveying the southward magnetic field towards the earth. After the flares, the GBMR decayed and the local warp of the neutral sheet was dissolved. Abnormally large-amplitude diurnal anisotropy of cosmic ray neutron intensity during the earth storm is explained by a combination of the minimum-phase effect and the storm effect. On the other hand, abnormally intense magnetic storm is explained by the high-speed flare plasma with southward IMF. The flattened interplanetary neutral sheet is discussed to explain the reported disconnection events of the plasma tail of comet Halley.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 This special issue contains contributed papers presented at the symposium "Solar Terrestrial Events in February-March 1986" (January 19, 1989, Nagoya)
言語 en
内容記述タイプ Other
出版者
言語 en
出版者 The Research Institute of Atmospherics, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0077-264X
書誌情報 en : Proceedings of the Research Institute of Atmospherics, Nagoya University

巻 36, 号 2, p. 27-39, 発行日 1989-11
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/22042
識別子タイプ HDL
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