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パルサー放射線の性質について
1Cornell-Sydney University Astronomy Center, Cornell University, Ithaca, New York, USA.
Nature
|May 16, 1970
まとめ
パルサー放射線は,カーブした経路に沿って渦巻く電荷粒子から発生します. 電子の放出は光の速度に近い周期で発生し,陽子の放出は恒星に近い周期で発生する.
科学分野:
- 天体物理学 天体物理学
- プラズマ物理学 プラズマ物理学
- 高エネルギー天体物理学 高エネルギー天体物理学
背景:
- パルサーは,電磁放射線のビームを放射する,急速に回転する中性子星です.
- パルサー放射線放出の正確なメカニズムと位置は,現在も活発な研究分野です.
- パルサーの放射を理解することは,極端な天体物理環境を理解する鍵です.
研究 の 目的:
- 粒子行動に基づいてパルサー放射線の起源と位置を調査する.
- 粒子が電子か陽子かによる放射特性を区分する.
- パルサー発射過程のモデルを精錬する.
主な方法:
- パルサー磁気圏内の曲線軌道における粒子の運動の理論的モデリング.
- 回転する粒子の放射線放出パターンの分析.
- 電子と陽子の予測された放射位置の比較.
主要な成果:
- パルサー放射線は,曲線軌道に沿って群れで回転する粒子によって生成される可能性があります.
- 電子が原因である場合,放射は光速の近くで予測されます.
- 陽子が原因である場合,パルサーから数個の恒星半径以内の放射が予測されます.
結論:
- パルサー放射線放出の位置は,関与する電荷粒子のタイプに依存します.
- 電子と陽子の放出を区別することで,パルサー磁気圏の構造を検知する方法が提供されます.
- さらなる観測により,これらの予測を検証し,パルサーの放射モデルを制限することができます.
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