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Pulsars and Gravitational Wave Detection

Published online by Cambridge University Press:  05 March 2013

George Hobbs
George Hobbs*
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia. Email: george.hobbs@csiro.au
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Abstract

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The number of known millisecond pulsars has dramatically increased in the last few years. Regular observations of these pulsars may allow gravitational waves with frequencies ∼10−9 Hz to be detected. A ‘pulsar timing array’ is therefore complimentary to other searches for gravitational waves using ground-based or space-based interferometers that are sensitive to much higher frequencies. In this review we describe (1) the basic methods for using an array of pulsars as a gravitational wave detector, (2) the sources of the potentially detectable waves, (3) current limits on individual sources and a stochastic background, and (4) the new project recently started using the Parkes radio telescope.

Keywords

pulsars: generalgravitational waves
Type
Gravity Workshop 2004
Information
Publications of the Astronomical Society of Australia , Volume 22 , Issue 3: Featuring Gravity Workshop 2004 , 2005 , pp. 179 - 183
Copyright
Copyright © Astronomical Society of Australia 2005

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