Long-Term Timing of Millisecond Pulsars and Gravitational Wave Detection

Details Long-Term Timing of Millisecond Pulsars and Gravitational Wave Detection Long-Term Timing of Millisecond Pulsars and Gravitational Wave Detection

2009-06-23

arxiv.org/abs/0906.4246v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

Ph. D. Thesis; Swinburne University of Technology; 148 pages, 26 figures

Scientific paper

(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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