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  Fast evaluation of multi-detector consistency for real-time gravitational wave searches

Hanna, C., Caudill, S., Messick, C., Sachdev, S., Cannon, K., Blackburn, K., et al. (in preparation). Fast evaluation of multi-detector consistency for real-time gravitational wave searches.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-DCA7-A Version Permalink: http://hdl.handle.net/21.11116/0000-0002-ECAB-4
Genre: Paper

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1901.02227.pdf (Preprint), 551KB
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1901.02227.pdf
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 Creators:
Hanna, Chad, Author
Caudill, Sarah, Author
Messick, Cody, Author
Sachdev, Surabhi, Author
Cannon, Kipp, Author
Blackburn, Kent, Author
Creighton, Jolien D. E., Author
Fong, Heather, Author
Godwin, Patrick, Author
Kapadia, Shasvath, Author
Li, Tjonnie G. F., Author
Magee, Ryan, Author
Meacher, Duncan, Author
Mukherjee, Debnandini, Author
Pace, Alex, Author
Privitera, Stephen1, Author              
Lo, Rico K. L., Author
Wade, Leslie, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: Gravitational waves searches for compact binary mergers with LIGO and Virgo are presently a two stage process. First, a gravitational wave signal is identified. Then, an exhaustive search over signal parameters is performed. The identification stage must be efficient in order to maximize the number of gravitational wave sources that are identified. Initial identification of gravitational wave signals with LIGO and Virgo happens in real-time, which requires that less than one second of computational time must be used for each second of gravitational wave data collected. In contrast, subsequent parameter estimation may require hundreds of hours of computational time to analyze the same one second of gravitational wave data. The real-time identification requirement necessitates efficient and often approximate methods for signal analysis. We describe one piece of a real-time gravitational-wave identification algorithm: an efficient method for ascertaining a signal's consistency between multiple gravitational wave detectors. This technique was used in analyses of Advanced LIGO's second observing run and Advanced Virgo's first observing run.

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 Dates: 2019-01-08
 Publication Status: Not specified
 Pages: -
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 Rev. Method: -
 Identifiers: arXiv: 1901.02227
URI: http://arxiv.org/abs/1901.02227
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