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Title:
Pulsars and Gravitational Wave Detection
Authors:
Hobbs, George
Affiliation:
AA(Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia. )
Publication:
Publications of the Astronomical Society of Australia, Volume 22, Issue 3, pp. 179-183. (PASA Homepage)
Publication Date:
00/2005
Origin:
PASA
Astronomy Keywords:
pulsars: general, gravitational waves
DOI:
10.1071/AS04063
Bibliographic Code:
2005PASA...22..179H

Abstract

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.
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