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Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
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太陽の冠の磁場の世界地図
Zihao Yang1, Christian Bethge2,3, Hui Tian4,5
1School of Earth and Space Sciences, Peking University, Beijing 100871, People's Republic of China.
Science (New York, N.Y.)
|August 9, 2020
まとめ
研究者は,プラズマ密度と磁気動力波速度を測定することによって,太陽の冠状磁場をマッピングしました. この新しいイメージングスペクトロスコピーは 太陽の大気磁場に関する 重要な洞察力を提供します
科学分野:
- 太陽物理学
- プラズマ物理学
- 天体物理学
背景:
- 太陽の大気過程を理解するには,すべての層にわたる磁場に関する知識が必要です.
- 太陽の冠状磁場を直接測定することは実験的に難しい.
研究 の 目的:
- プラズマ密度と磁気動力波速度の空間分布を決定する.
- これらの測定を用いて地球上の冠状磁場の平面成分をマッピングする.
主な方法:
- 冠状多チャンネル極光計 (CMP) の観測値を使用した.
- プラズマ密度と横断磁気動力波の相速度を組み合わせた測定
- 冠状磁場診断のためのイメージングスペクトロスコーピーの技術を使用.
主要な成果:
- 冠状磁場の天平成分を マッピングしました
- 導出冠状磁場強度 1.05 と 1.35 太陽半径の間の
- フィールドの強さは主に1から4ガウスという範囲であることが判明しました.
結論:
- この研究は,冠状磁場を診断するイメージングスペクトルコピーの有効性を示しています.
- この結果は 太陽の冠の磁場強度に関する貴重なデータを提供します
- この方法は太陽の大気物理学を理解するための新しい能力を提供します
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