Laura Cadonati and Szabolcs Márka 2005 Class. Quantum Grav. 22 S1159 doi:10.1088/0264-9381/22/18/S30
CorrPower: a cross-correlation-based algorithm for triggered and untriggered gravitational-wave burst searches
Laura Cadonati1 and Szabolcs Márka2
Show affiliationsCorrPower is a cross-correlation-based algorithm to be used in the LIGO burst analysis. The code looks for excesses of coherent power in multiple interferometers, unifying techniques previously implemented in the LIGO triggered and untriggered burst searches. CorrPower performs three functions: (1) a continuous scan of the data, (2) an r-statistic waveform consistency test on candidates produced by the burst event analysis (Cadonati L 2004 Class. Quantum Grav. 21 S1695–703, LIGO Scientific Collaboration 2005 Preprint gr-qc/0505029), and (3) a search around the time of external triggers, a natural evolution of the analysis used for the gravitational-wave signature of GRB030329 (LIGO Scientific Collaboration 2005 Phys. Rev. D 72 042002, Mohanty S et al 2004 Class. Quantum Grav. 21 S1831–7, Mohanty S et al 2004 Class. Quantum Grav. 21 S765–74). The paper describes the techniques implemented in the continuous data scan and presents its expected performance on simulated data from two or three ideal detectors with white Gaussian noise.
- PACS
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04.80.Nn Gravitational wave detectors and experiments
07.05.Kf Data analysis: algorithms and implementation; data management
- MSC
- Subjects
- Dates
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Issue 18 (21 September 2005)
Received 1 April 2005, in final form 25 July 2005
Published 6 September 2005
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CorrPower: a cross-correlation-based algorithm for triggered and untriggered gravitational-wave burst searches
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