毫秒脉冲星的长期计时与引力波探测
Long-Term Timing of Millisecond Pulsars and Gravitational Wave Detection
摘要:
本文介绍了20毫秒脉冲星(MSP)的长期计时结果。据预测,这样的时间可能会检测到引力波(GW)-一个主要的(但未经检验的)预测广义相对论。我们的研究结果表明,大多数研究的MSP具有足够的稳定性,使这样的检测实验。此外,最亮的几个源的定时数据表明,可以实现低于100 ns精度的定时,因此,在未来十年内可能会检测到GW。最后,我们使用我们的数据放置一个强大的限制的强度预测背景的GWs。
英文摘要:
(Abridged) This thesis presents long-term timing results on 20 millisecond pulsars (MSPs). It has been predicted that such timing may detect gravitational waves (GWs) - a major (but untested) prediction of general relativity. Our results demonstrate that most of the investigated MSPs have sufficient stability to enable such detection experiments. Furthermore, the timing data of the brightest few sources shows that timing at sub-100 ns precision may be achievable and that, therefore, GW detection within the next decade is likely. Finally, we use our data to place a strong limit on the strength of a predicted background of GWs.
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