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イオ加速電子:パイオニア10とパイオニア11の予測

S D Shawhan, D A Gurnett, R F Hubbard

Science (New York, N.Y.)

|December 28, 1973

まとめ

木星の磁気圏のエネルギッシュな電子は,イオのプラズマトラスから発生している可能性がある. この源は,パイオニア探査機によって検出可能なユニークな電子エネルギーとフクスプロファイルにより,太陽風の拡散とは異なる.

科学分野:

惑星科学は惑星科学である.
プラズマ物理学プラズマ物理学
天体物理学天体物理学

背景:

木星の磁気圏は複雑なプラズマ環境である.
イオのプラズマ・トーラスはエネルギー粒子の大量発生源である.

研究の目的:

イオのプラズマ・トーラスにおけるエネルギー電子の加速をモデル化するために.
木星の磁気圏にあるこれらの電子の観測可能なシグネチャーを予測するために.

主な方法:

プラズマシートを通して,電子が100キロ電子ボルトまで加速するモデルを利用した.
パイオニア10号とパイオニア11号のミッションから期待されるデータに予測を適用した.

主要な成果:

木星の磁気圏に存在するエネルギッシュな電子の新たな源を提案した.
この源を太陽風の拡散から区別する,異なる放射性流量プロファイルと特徴的な電子エネルギーが特定されました.

結論:

イオのプラズマ・トーラスは,木星の磁気圏におけるエネルギーのある電子の潜在的な源である.
パイオニアミッションからの観測データは,この源を太陽風の拡散から区別することができます.

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