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Searches for gravitational waves associated with pulsar glitches using a coherent network algorithm

K Hayama1, S Desai2, S D Mohanty1, M Rakhmanov1, T Summerscales3 and S Yoshida4

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Pulsar glitches are a potential source of gravitational waves for current and future interferometric gravitational wave detectors. Some pulsar glitch events were observed by radio and x-ray telescopes during the fifth LIGO science run. It is expected that glitches from these same pulsars should also be seen in the future. We carried out Monte Carlo simulations to estimate the sensitivity of possible gravitational wave signals associated with a pulsar glitch using a coherent network analysis method. We show the detection efficiency and evaluate the reconstruction accuracy of gravitational waveforms using a matched filter analysis on the estimated gravitational waveforms from the coherent analysis algorithm.


PACS

04.80.Nn Gravitational wave detectors and experiments

95.75.-z Observation and data reduction techniques; computer modeling and simulation

95.30.Sf Relativity and gravitation

95.55.Ym Gravitational radiation detectors; mass spectrometers; and other instrumentation and techniques

97.60.Gb Pulsars

MSC

83C35 Gravitational waves

85A05 Galactic and stellar dynamics

65C05 Monte Carlo methods

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 18 (21 September 2008)

Received 2 April 2008, in final form 6 July 2008

Published 2 September 2008



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