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  Investigating the noise residuals around the gravitational wave event GW150914

Nielsen, A. B., Nitz, A. H., Capano, C., & Brown, D. A. (in preparation). Investigating the noise residuals around the gravitational wave event GW150914.

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Datensatz-Permalink: http://hdl.handle.net/21.11116/0000-0002-A57D-8 Versions-Permalink: http://hdl.handle.net/21.11116/0000-0002-F7C8-6
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1811.04071.pdf (Preprint), 790KB
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 Urheber:
Nielsen, Alex B.1, Autor              
Nitz, Alexander H.2, Autor              
Capano, Collin2, Autor              
Brown, Duncan A., Autor
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Schlagwörter: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Zusammenfassung: We use the Pearson cross-correlation statistic proposed by Liu and Jackson, and employed by Creswell et al., to look for statistically significant correlations between the LIGO Hanford and Livingston detectors at the time of the binary black hole merger GW150914. We compute this statistic for the calibrated strain data released by LIGO, using both the residuals provided by LIGO and using our own subtraction of a maximum-likelihood waveform that is constructed to model binary black hole mergers in general relativity. To assign a significance to the values obtained, we calculate the cross-correlation of both simulated Gaussian noise and data from the LIGO detectors at times during which no detection of gravitational waves has been claimed. We find that after subtracting the maximum likelihood waveform there are no statistically significant correlations between the residuals of the two detectors at the time of GW150914.

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 Datum: 2018-11-092018-11-20
 Publikationsstatus: Keine Angabe
 Seiten: 12 pages, 7 figures. Minor typo fixes in v2. Notebooks for generating the results are available at https://github.com/gwastro/gw150914_investigation
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 Identifikatoren: arXiv: 1811.04071
URI: http://arxiv.org/abs/1811.04071
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