Limiting and Detecting Gravitational Waves with a Pulsar Timing Array

Details Limiting and Detecting Gravitational Waves with a Pulsar Timing Array Limiting and Detecting Gravitational Waves with a Pulsar Timing Array

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1357...77y&link_type=abstract

RADIO PULSARS: AN ASTROPHYSICAL KEY TO UNLOCK THE SECRETS OF THE UNIVERSE. AIP Conference Proceedings, Volume 1357, pp. 77-80 (

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Gravitational Waves, Stochastic Processes, Pulsars, Black Holes, Gravitational Radiation, Magnetic Fields, And Other Observations, Stochastic Analysis, Pulsars, Black Holes

Scientific paper

We have applied a cross correlation analysis to timing observations of 20 pulsars to study the isotropic, stochastic gravitational-wave background signal. No gravitational-wave signal was detected. We showed that, because of the variable data spans and noise levels across the 20 time series, only a few pulsars contribute to estimating the gravitational-wave signal. This prohibits the calculation of a 95% confidence upper bound on the amplitude of the gravitational-wave background.

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