First steps towards characterizing the hierarchical algorithm for curves and ridges pipeline

Heng, I. S., Balasubramanian, Ramachandran, Sathyaprakash, Bangalore Suryanarayana ORCID: https://orcid.org/0000-0003-3845-7586 and Schutz, Bernard Frederick ORCID: https://orcid.org/0000-0001-9487-6983 2004. First steps towards characterizing the hierarchical algorithm for curves and ridges pipeline. Classical and Quantum Gravity 21 (5) , S821-S826. 10.1088/0264-9381/21/5/065

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Abstract

The hierarchical algorithm for curves and ridges is a variation of the burst gravitational wave search algorithm known as TFClusters. In this paper, we examine the detection efficiency of the hierarchical algorithm for curves and ridges by injecting sine-Gaussian burst waveforms with four different central frequencies into data acquired by the GEO600 gravitational wave detector during the S1 run. The fluctuation of the output signal-to-noise ratios was observed to be ~5% for frequencies above 1.5 kHz and at least 15% for frequencies below 1.5 kHz. The uncertainty in the estimation of the arrival time is found to be less than 0.05 s.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	IOP Publishing
ISSN:	0264-9381
Last Modified:	24 Oct 2022 10:44
URI:	https://orca.cardiff.ac.uk/id/eprint/45696

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