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IOP Publishing, Classical and Quantum Gravity, 8(27), p. 084013, 2010

DOI: 10.1088/0264-9381/27/8/084013

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The International Pulsar Timing Array project: using pulsars as a gravitational wave detector

Journal article published in 2009 by G. B. Hobbs, A. Archibald ORCID, Z. Arzoumanian, D. Backer, M. Bailes ORCID, N. D. R. Bhat, M. Burgay, S. Burke Spolaor, D. Champion, I. Cognard, W. Coles, J. Cordes, P. Demorest, G. Desvignes, R. D. Ferdman and other authors.
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Abstract

The International Pulsar Timing Array project combines observations of pulsars from both Northern and Southern hemisphere observatories with the main aim of detecting ultra-low frequency (~10^-9 to 10^-8 Hz) gravitational waves. Here we introduce the project, review the methods used to search for gravitational waves emitted from coalescing supermassive binary black-hole systems in the centres of merging galaxies and discuss the status of the project. Comment: accepted by Classical and Quantum Gravity. Review talk for the Amaldi8 conference series