全球志愿者计算脉冲星的发现
B Knispel1, B Allen, J M Cordes
1Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, D-30167 Hannover, Germany. benjamin.knispel@aei.mpg.de
概括
爱因斯坦@家,使用志愿者计算能力,发现了一个快速旋转的脉冲星,PSR J2007+2722. 这颗回收式脉冲星具有独特的特征,包括宽脉冲形状和对齐的磁轴和旋转轴.
科学领域:
- 天文学和天体物理学
- 公民科学 公民科学
- 脉冲星天文学 脉冲星天文学
背景情况:
- 爱因斯坦@家利用分布式计算,利用全球志愿者资源来分析庞大的天文数据集.
- 脉冲星是快速旋转的中子星,发出电磁辐射束.
研究的目的:
- 在档案无线电调查数据中发现新的天体,特别是脉冲星.
- 为了描述新发现的脉冲星的特性.
主要方法:
- 利用爱因斯坦@Home分布式计算平台,对来自阿雷西博天文台的无线电调查数据进行分析.
- 后续时间观测以确定脉冲星属性.
主要成果:
- 发现了一个孤立的脉冲星,PSR J2007+2722,旋转周期为40.8赫兹.
- 将PSR J2007+2722确定为可能被破坏的循环脉冲星.
- 观测广泛的脉冲形状和可能对齐的磁轴和旋转轴.
结论:
- 爱因斯坦@家项目展示了志愿者计算对天文学发现的有效性.
- PSR J2007+2722为研究脉冲星演化和物理学提供了独特的特性.
- 这种方法有望进一步发现脉冲星和其他天文现象.
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