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All-sky search for long-duration gravitational wave transients in the first Advanced LIGO observing run

par Abbott, Benjamin P.;Collette, Christophe ; [et al.]
Référence Classical and quantum gravity, 35, 6, 065009
Publication Publié, 2018

Article révisé par les pairs

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Résumé :

We present the results of a search for long-duration gravitational wave transients in the data of the LIGO Hanford and LIGO Livingston second generation detectors between September 2015 and January 2016, with a total observational time of 49 d. The search targets gravitational wave transients of 10500 s duration in a frequency band of 242048 Hz, with minimal assumptions about the signal waveform, polarization, source direction, time of occurrence. No significant events were observed. As a result we set 90% confidence upper limits on the rate of long-duration gravitational wave transients for different types of gravitational wave signals. We also show that the search is sensitive to sources in the Galaxy emitting at least ∼10-8 M⊙c2 in gravitational waves.