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  1. F300 宇宙地球環境研究所
  2. F300a 雑誌掲載論文
  3. 学術雑誌

Data-driven MHD Simulation of Successive Solar Plasma Eruptions

http://hdl.handle.net/2237/0002001525
http://hdl.handle.net/2237/0002001525
d021683c-b381-4bb0-8577-bacc5ea2ea96
名前 / ファイル ライセンス アクション
Kaneko_2021_ApJ_909_155.pdf Kaneko_2021_ApJ_909_155.pdf (2 MB)
Item type itemtype_ver1(1)
公開日 2021-10-15
タイトル
タイトル Data-driven MHD Simulation of Successive Solar Plasma Eruptions
言語 en
著者 Kaneko, Takafumi

× Kaneko, Takafumi

en Kaneko, Takafumi

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Park, Sung-Hong

× Park, Sung-Hong

en Park, Sung-Hong

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Kusano, Kanya

× Kusano, Kanya

en Kusano, Kanya

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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
権利
言語 en
権利情報 © 2021. The American Astronomical Society
内容記述
内容記述 Solar flares and plasma eruptions are sudden releases of magnetic energy stored in the plasma atmosphere. To understand the physical mechanisms governing their occurrences, three-dimensional magnetic fields from the photosphere up to the corona must be studied. The solar photospheric magnetic fields are observable, whereas the coronal magnetic fields cannot be measured. One method for inferring coronal magnetic fields is performing data-driven simulations, which involves time-series observational data of the photospheric magnetic fields with the bottom boundary of magnetohydrodynamic simulations. We developed a data-driven method in which temporal evolutions of the observational vector magnetic field can be reproduced at the bottom boundary in the simulation by introducing an inverted velocity field. This velocity field is obtained by inversely solving the induction equation and applying an appropriate gauge transformation. Using this method, we performed a data-driven simulation of successive small eruptions observed by the Solar Dynamics Observatory and the Solar Magnetic Activity Telescope in 2017 November. The simulation well reproduced the converging motion between opposite-polarity magnetic patches, demonstrating successive formation and eruptions of helical flux ropes.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 IOP publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.3847/1538-4357/abe414
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0004-637X
書誌情報 en : The Astrophysical Journal

巻 909, 号 2, p. 155, 発行日 2021-03-15
ファイル公開日
日付 2021-10-15
日付タイプ Available
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