脉冲星辐射的性质 脉冲星辐射的性质
1Cornell-Sydney University Astronomy Center, Cornell University, Ithaca, New York, USA.
Nature
|May 16, 1970
概括
脉冲星辐射源于带电粒子沿着曲的路径旋转成团. 电子发射发生在接近光圈速度的地方,而质子发射则发生在离恒星更近的地方.
科学领域:
- 天体物理学 天体物理学
- 等离子体物理学的物理学
- 高能天体物理学 高能天体物理学
背景情况:
- 脉冲星是快速旋转的中子星,它们发射着电磁辐射.
- 脉冲星辐射辐射的确切机制和位置仍然是活跃研究的领域.
- 了解脉冲星发射是理解极端天体物理环境的关键.
研究的目的:
- 基于粒子行为来调查脉冲星辐射的起源和位置.
- 根据粒子是电子还是质子来区分排放特征.
- 为了完善脉冲星发射过程的模型.
主要方法:
- 在脉冲星磁层内曲线轨道上的粒子运动的理论建模.
- 对旋转粒子的辐射发射模式的分析.
- 电子与质子预测的发射位置的比较.
主要成果:
- 脉冲星辐射可以由沿着曲线轨迹集群旋转的粒子产生.
- 如果电子负责,预计辐射将接近光圈的速度.
- 如果质子负责,预计辐射在脉冲星的几个恒星半径内.
结论:
- 脉冲星辐射发射的位置取决于所涉及的带电粒子类型.
- 区分电子和质子发射提供了一种探测脉冲磁层结构的方法.
- 进一步的观测可以测试这些预测,并限制脉冲星发射模型.
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