2012
DOI: 10.1088/0264-9381/29/15/155002
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The characterization of Virgo data and its impact on gravitational-wave searches

Abstract: The characterization of Virgo data and its impact on gravitational-wave searches.

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Cited by 90 publications
(95 citation statements)
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References 86 publications
(144 reference statements)
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“…Noise in interferometers arises from a combination of instrumental, environmental, and anthropomorphic noise sources that are extremely difficult to characterize precisely [50,[99][100][101]. Instrumental "glitches" can lead to large excursions over the time-averaged noise and may mimic the expected time-frequency content of an astrophysical signal [50,102].…”
Section: B the Duty Cycle Of The Detectors Is Not 100%mentioning
confidence: 99%
“…Noise in interferometers arises from a combination of instrumental, environmental, and anthropomorphic noise sources that are extremely difficult to characterize precisely [50,[99][100][101]. Instrumental "glitches" can lead to large excursions over the time-averaged noise and may mimic the expected time-frequency content of an astrophysical signal [50,102].…”
Section: B the Duty Cycle Of The Detectors Is Not 100%mentioning
confidence: 99%
“…The same challenge occurs in the analysis of data from the ground-based LIGO/Virgo interferometers [32,33], where studies have shown the noise to be both nonstationary and non-Gaussian [34][35][36], with frequent loud transient features, or glitches [37]. While it is not possible to remove gravitational wave signals from the data, it is possible to destroy signal coherence across the detector network by introducing artificial time delays between the detectors during the analysis [38].…”
Section: Sky Scramblesmentioning
confidence: 99%
“…To remove from the analysis data segments likely to be significantly affected by nonstationary noise sources, the data was selected based on data-quality vetoes [37][38][39]. A combination of site activity and the absence of the fourth detector available during S5-VSR1, H2, meant that a higher rate of nonstationary noise events was observed during the S6-VSR2/3 run.…”
Section: A Data Setmentioning
confidence: 99%