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Gravitational WavesVolume 1: Theory and Experiments$
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Michele Maggiore

Print publication date: 2007

Print ISBN-13: 9780198570745

Published to Oxford Scholarship Online: January 2008

DOI: 10.1093/acprof:oso/9780198570745.001.0001

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6 Experimental observation of GW emission in compact binaries

6 Experimental observation of GW emission in compact binaries

(p.302) 6 Experimental observation of GW emission in compact binaries
Gravitational Waves

Michele Maggiore

Oxford University Press

This chapter discusses the experimental evidence for the existence of GWs, which was first obtained from the Hulse-Taylor binary pulsar, PSR B1913+16, and which is now further confirmed by observations in other relativistic binary systems. These binary pulsars are remarkable, allowing for high precision verification of various predictions of general relativity. Hulse and Taylor were awarded the Nobel Prize in 1993, ‘for the discovery of a new type of pulsar, a discovery that has opened up new possibilities for the study of gravitation’, which included a demonstration of the emission of gravitational radiation, achieved by Taylor and co-workers in the late 1970s and early 1980s. The full pulsar timing formula, including various special- and general-relativistic effects such as Roemer, Einstein, and Shapiro time delay, is then derived. The recently discovered double pulsar is also discussed.

Keywords:   Hulse-Taylor binary pulsar, double pulsar, pulsar timing formula, Roemer time delay, Einstein time delay, Shapiro time delay

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