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Sensitivity improvements in the search for periodic gravitational waves using O1 LIGO data

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arxiv 1902.05530 v4 pith:JC3W2PZZ submitted 2019-02-14 gr-qc

classification gr-qc
keywords gravitationaldatasearchwavesbandcontinuousimprovementsligo
verification ladder T0 review T1 audit T2 compute T3 formal
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We demonstrate a breakthrough in the capabilities of robust, broad-parameter space searches for continuous gravitational waves. With a large scale search for continuous gravitational waves on the O1 LIGO data, we prove that our Falcon search achieves the sensitivity improvements expected from the use of a long coherence length, while maintaining the computational expense within manageable bounds. On this data we set the most constraining upper limits in the gravitational wave amplitude in the band 100-200 Hz. We provide full outlier lists and upper limits near 0-spindown band suitable for analysis of signals with small spindown such as boson condensates around black holes.

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Cited by 1 Pith paper

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  1. One-stop strategy to search for long-duration gravitational-wave signals

    gr-qc 2024-11 conditional novelty 6.0 of 10

    A generic GPU search engine plus a fast semianalytic sensitivity estimator could make blind continuous gravitational-wave searches much cheaper to run and characterize.

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