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Analysis Framework for the Prompt Discovery of Compact Binary Mergers in Gravitational-wave Data

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Privitera,  Stephen
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1604.04324.pdf
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Citation

Messick, C., Blackburn, K., Brady, P., Brockill, P., Cannon, K., Caudill, S., et al. (2017). Analysis Framework for the Prompt Discovery of Compact Binary Mergers in Gravitational-wave Data. Physical Review D, 95(4): 042001. doi:10.1103/PhysRevD.95.042001.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-70FC-F
Abstract
We describe a stream-based analysis pipeline to detect gravitational waves from the merger of binary neutron stars, binary black holes, and neutron-star-black-hole binaries within ~ 1 minute of the arrival of the merger signal at Earth. Such low-latency detection is crucial for the prompt response by electromagnetic facilities in order to observe any fading electromagnetic counterparts that might be produced by mergers involving at least one neutron star. Even for systems expected not to produce counterparts, analysis of the data in low-latency for their GW signals is useful for deciding when not to point telescopes, and as feedback to observatory operations. The pipeline also operates in an offline mode, in which it incorporates more refined information about data quality and employs acausal methods that are inapplicable to the online mode.