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  Computational cost for detecting inspiraling binaries using a network of laser interferometric detectors

Pai, A., Bose, S., & Dhurandhar, S. (2002). Computational cost for detecting inspiraling binaries using a network of laser interferometric detectors. Classical and Quantum Gravity, 19(7), 1477-1483.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5449-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-544A-A
Genre: Journal Article

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 Creators:
Pai, Archana, Author
Bose, Sukanta1, Author              
Dhurandhar, Sanjeev, Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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 Abstract: 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

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Language(s): eng - English
 Dates: 2002
 Publication Status: Published in print
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 Identifiers: eDoc: 3031
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 19 (7) Sequence Number: - Start / End Page: 1477 - 1483 Identifier: -