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Network sensitivity to geographical configuration

Antony C Searle, Susan M Scott and David E McClelland

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Gravitational wave astronomy will require the coordinated analysis of data from the global network of gravitational wave observatories. Questions of how to optimally configure the global network arise in this context. We have elsewhere proposed a formalism which is employed here to compare different configurations of the network, using both the coincident network analysis method and the coherent network analysis method. We have constructed a network model to compute a figure-of-merit based on the detection rate for a population of standard-candle binary inspirals. We find that this measure of network quality is very sensitive to the geographic location of component detectors under a coincident network analysis, but comparatively insensitive under a coherent network analysis.


PACS

04.80.Nn Gravitational wave detectors and experiments

97.80.-d Binary and multiple stars

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

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

MSC

83C35 Gravitational waves

85A05 Galactic and stellar dynamics

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 7 (7 April 2002)

Received 1 October 2001, in final form 8 January 2002

Published 11 March 2002



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