パルサーの発見は,グローバル・ボランティア・コンピューティングによるものです
B Knispel1, B Allen, J M Cordes
1Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, D-30167 Hannover, Germany. benjamin.knispel@aei.mpg.de
Science (New York, N.Y.)
|August 14, 2010
まとめ
アインシュタイン@ホームは,ボランティアの計算力を使って,高速回転パルサー,PSR J2007+2722.22を発見しました. このリサイクルされたパルサーは,幅の広いパルスプロファイル,並べられた磁気軸とスピン軸を含むユニークな特徴を持っています.
科学分野:
- 天文学と天体物理学について
- 市民科学は市民科学である.
- パルサー天文学 パルサー天文学
背景:
- Einstein@Homeは分散コンピューティングを利用し,世界中のボランティアのリソースを活用して,膨大な天文データセットを分析します.
- パルサーは急速に回転する中性子星で,電磁放射線を放射する.
研究 の 目的:
- 新しい天体,特にパルサーを,アーカイブラジオ調査データの中で発見する.
- 新たに発見されたパルサーの性質を特徴づけるために.
主な方法:
- アレシボ天文台からの無線調査データの分析,アインシュタイン@ホーム分散コンピューティングプラットフォームを使用.
- パルサーの性質を決定するために,フォローアップタイム観測を行う.
主要な成果:
- 孤立したパルサーであるPSR J2007+2722が発見され,回転周期は40.8Hzであった.
- PSR J2007+2722を,おそらく破壊されたリサイクルパルサーとして特定した.
- 広いパルスプロファイルと,おそらく並んだ磁気軸とスピン軸の観測.
結論:
- アインシュタイン@ホームプロジェクトは,天文学的発見のためのボランティアのコンピューティングの有効性を実証しています.
- PSR J2007+2722は,パルサーの進化と物理学の研究のためにユニークな特性を提示しています.
- このアプローチは,パルサーやその他の天文現象のさらなる発見を約束しています.
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