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  Digging the population of compact binary mergers out of the noise

Gaebel, S. M., Veitch, J., Dent, T., & Farr, W. M. (2019). Digging the population of compact binary mergers out of the noise. Monthly Notices of the Royal Astronomical Society, 484(3), 4008-4023. doi:10.1093/mnras/stz225.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-4B00-A Version Permalink: http://hdl.handle.net/21.11116/0000-0003-2404-0
Genre: Journal Article

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 Creators:
Gaebel, Sebastian M., Author
Veitch, John, Author
Dent, Thomas1, Author              
Farr, Will M., Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: Coalescing compact binaries emitting gravitational wave (GW) signals, as recently detected by the Advanced LIGO-Virgo network, constitute a population over the multi-dimensional space of component masses and spins, redshift, and other parameters. Characterizing this population is a major goal of GW observations and may be approached via parametric models. We demonstrate hierarchical inference for such models with a method that accounts for uncertainties in each binary merger's individual parameters, for mass-dependent selection effects, and also for the presence of a second population of candidate events caused by detector noise. Thus, the method is robust to potential biases from a contaminated sample and allows us to extract information from events that have a relatively small probability of astrophysical origin.

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 Dates: 2018-09-1120192019
 Publication Status: Published in print
 Pages: 19 pages, 12 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1809.03815
URI: http://arxiv.org/abs/1809.03815
DOI: 10.1093/mnras/stz225
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Title: Monthly Notices of the Royal Astronomical Society
Source Genre: Journal
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Pages: - Volume / Issue: 484 (3) Sequence Number: - Start / End Page: 4008 - 4023 Identifier: -