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ID: 3031.0, MPI für Gravitationsphysik / Astrophysical Relativity
Computational cost for detecting inspiraling binaries using a network of laser interferometric detectors
Authors:Pai, Archana; Bose, Sukanta; Dhurandhar, Sanjeev
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Classical and Quantum Gravity
Volume:19
Issue / Number:7
Start Page:1477
End Page:1483
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We extend a coherent network data-analysis strategy developed earlier for detecting Newtonian waveforms to the case of post-Newtonian (PN) waveforms. Since the PN waveform depends on the individual masses of the inspiralling binary, the parameter-space dimension increases by one from that of the Newtonian case. We obtain the number of templates and estimate the computational costs for PN waveforms: for a lower mass limit of I M,,, for LIGO-I noise and with 3% maximum mismatch, the online computational speed requirement for single detector is a few Gflops; for a two-detector network it is hundreds of Gflops and for a three-detector network it is tens of Tflops. Apart from idealistic networks, we obtain results for realistic networks comprising of LIGO and VIRGO. Finally, we compare costs incurred in a coincidence detection strategy with those incurred in the coherent strategy detailed above
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
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