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  Parameter estimation for signals from compact binary inspirals injected into LIGO data

Sluys, M. v. d., Mandel, I., Raymond, V., Kalogera, V., Röver, C., & Christensen, N. (2009). Parameter estimation for signals from compact binary inspirals injected into LIGO data. Classical and Quantum Gravity, 26: 204010. doi:10.1088/0264-9381/26/20/204010.

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cqg9_20_204010.pdf (Verlagsversion), 348KB
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Sluys, Marc van der, Autor
Mandel, Ilya, Autor
Raymond, Vivien, Autor
Kalogera, Vicky, Autor
Röver, Christian1, Autor           
Christensen, Nelson, Autor
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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 Zusammenfassung: During the fifth science run of the Laser Interferometer Gravitational-wave Observatory (LIGO), signals modelling the gravitational waves emitted by coalescing non-spinning compact-object binaries were injected into the LIGO data stream. We analysed the data segments into which such injections were made using a Bayesian approach, implemented as a Markov-chain Monte-Carlo technique in our code SPINspiral. This technique enables us to determine the physical parameters of such a binary inspiral, including masses and spin, following a possible detection trigger. For the first time, we publish the results of a realistic parameter-estimation analysis of waveforms embedded in real detector noise. We used both spinning and non-spinning waveform templates for the data analysis and demonstrate that the intrinsic source parameters can be estimated with an accuracy of better than 1-3% in the chirp mass and 0.02-0.05 (8-20%) in the symmetric mass ratio if non-spinning waveforms are used. We also find a bias between the injected and recovered parameters, and attribute it to the difference in the post-Newtonian orders of the waveforms used for injection and analysis.

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 Datum: 2009
 Publikationsstatus: Erschienen
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 Identifikatoren: eDoc: 436258
Anderer: arXiv:0905.1323
DOI: 10.1088/0264-9381/26/20/204010
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Titel: Classical and Quantum Gravity
Genre der Quelle: Zeitschrift
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Seiten: - Band / Heft: 26 Artikelnummer: 204010 Start- / Endseite: - Identifikator: -