巨大なブラックホールの近隣環境は 放射性フィードバックによって形作られています
Claudio Ricci1,2,3, Benny Trakhtenbrot4, Michael J Koss4,5
1Instituto de Astrofísica, Facultad de Física, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile.
Nature
|September 30, 2017
まとめ
超大質量ブラックホールの 放射性フィードバックは 遮蔽ガスと塵を制御します このフィードバックは,質量正常化増量率によって駆動され,ブラックホールのパーセック内の環核物質をクリアします.
科学分野:
- 天文学と天体物理学
- 宇宙 の 塵 と ガス の 動 力
- 超大質量ブラックホールの蓄積
背景:
- 膨張する超大質量ブラックホールの大半は ガスや塵で覆われています
- この遮蔽物質の分布と進化は議論されている.
- 遮蔽物質の減少が観察され,蓄積率が増加する.
研究 の 目的:
- 超大質量ブラックホールの周りの遮光を制御する 主要な物理的メカニズムを特定する
- ブラックホールの蓄積における 環核物質の役割を明らかにする
- 暗闇と暗闇のないブラックホールの違いを理解するために
主な方法:
- 硬いX線で選択されたブラックホールの 系統的な多波長調査を行いました
- 分析されたガス柱の密度,光度,質量データ.
- 蓄積率と環核物質の分布の関係を調査した.
主要な成果:
- 放射性フィードバックは 周辺核物質を制御する 主要なメカニズムです
- ブラックホールから 数十パーセック以内にある
- 円周核物質は,低放射出力率でも分散することができます.
結論:
- 質量正常化された蓄積率は 遮蔽されたブラックホールと 遮蔽されていないブラックホールを 区別する重要な要因です
- 放射性フィードバックは 遮蔽物質の除去に 重要な役割を果たします
- 周核物質の分布を理解することは ブラックホールの蓄積研究に不可欠です
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