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Updated: Jul 19, 2026
08:47
Super-resolution Imaging of the Bacterial Division Machinery
Published on: January 21, 2013
分子アインシュタインリング: 準恒星物体を囲む星爆発円盤のイメージング
C L Carilli1, G F Lewis, S G Djorgovski
1National Radio Astronomy Observatory, Post Office Box O, Socorro, NM 87801, USA.
Science (New York, N.Y.)
|April 5, 2003
まとめ
重力レンズ化クエーサー (QSO) の観測は,巨大で急速に形成されている星爆発銀河を明らかにしています. この発見は,初期の銀河におけるブラックホールと恒星形成の同時発生の理論を裏付けている.
科学分野:
- 天文学 (astronomy) 天文学 (astronomy) とは,天文学 (astronomy) とは,天文学 (astronomy) とは,天文学 (astronomy) とは
- 天体物理学 天体物理学
- コスモロジー・コスモロジーとは
背景:
- 高赤偏移の準恒星物体 (QSOs) は,銀河の進化を理解する上で極めて重要です.
- 重力レンズは,遠くの薄い物体を研究するためのユニークな機会を提供します.
研究 の 目的:
- 高赤偏移レンズQSO PSS J2322+1944.4の宿主銀河を調査するために.
- 宿主銀河の恒星形成活動と構造を特徴付ける.
主な方法:
- 分子一酸化炭素 (CO) 2-1線放射と無線連続体放射の観測を用いた.
- 観測された放射をモデル化して,宿主銀河の物理的性質を推論した.
主要な成果:
- 1.5インチ直径のアインシュタイン環構造を明らかにし,重力レンズシステムを示した.
- 宿主銀河を半径2キロパーセックスの恒星形成円盤としてモデル化した.
- これは,恒星形成の速度が年間900太陽質量に達していることを示唆している.
結論:
- 観測された巨大な恒星形成率は,大きな円銀河の恒星の大部分が108年以内に形成されることを示唆しています.
- QSOの宿主銀河の活発な恒星形成は,超大質量ブラックホールと恒星の同期形成をサポートしています.
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