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  An adaptive clustering procedure for continuous gravitational wave searches

Singh, A., Papa, M. A., Eggenstein, H.-B., & Walsh, S. (in press). An adaptive clustering procedure for continuous gravitational wave searches.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-DB9C-5 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-E1C6-9
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1707.02676.pdf (Preprint), 6MB
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 Urheber:
Singh, Avneet1, Autor              
Papa, Maria Alessandra1, Autor              
Eggenstein, Heinz-Bernd2, Autor              
Walsh, Sinéad1, Autor              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              

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Schlagwörter: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM,Mathematics, General Topology, math.GN
 Zusammenfassung: In hierarchical searches for continuous gravitational waves, clustering of candidates is an important postprocessing step because it reduces the number of noise candidates that are followed-up at successive stages [1][7][12]. Previous clustering procedures bundled together nearby candidates ascribing them to the same root cause (be it a signal or a disturbance), based on a predefined cluster volume. In this paper, we present a procedure that adapts the cluster volume to the data itself and checks for consistency of such volume with what is expected from a signal. This significantly improves the noise rejection capabilities at fixed detection threshold, and at fixed computing resources for the follow-up stages, this results in an overall more sensitive search. This new procedure was employed in the first Einstein@Home search on data from the first science run of the advanced LIGO detectors (O1) [11].

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 Datum: 2017-07-0920172017
 Publikationsstatus: Angenommen
 Seiten: 11 pages, 9 figures
 Ort, Verlag, Ausgabe: -
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 Identifikatoren: arXiv: 1707.02676
URI: http://arxiv.org/abs/1707.02676
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