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  Frequency-domain gravitational waves from non-precessing black-hole binaries. II. A phenomenological model for the advanced detector era

Khan, S., Husa, S., Hannam, M., Ohme, F., Pürrer, M., Forteza, X. J., et al. (2016). Frequency-domain gravitational waves from non-precessing black-hole binaries. II. A phenomenological model for the advanced detector era. Physical Review D, 93: 044007. doi:10.1103/PhysRevD.93.044007.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-12F8-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-040C-D
Genre: Journal Article

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1508.07253.pdf (Preprint), 9MB
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 Creators:
Khan, Sebastian1, Author              
Husa, Sascha, Author
Hannam, Mark, Author
Ohme, Frank2, Author              
Pürrer, Michael3, Author              
Forteza, Xisco Jiménez, Author
Bohé, Alejandro3, Author              
Affiliations:
1Binary Merger Observations and Numerical Relativity, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:2461691              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              
3Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We present a new frequency-domain phenomenological model of the gravitational-wave signal from the inspiral, merger and ringdown of non-precessing (aligned-spin) black-hole binaries. The model is calibrated to 19 hybrid effective-one-body--numerical-relativity waveforms up to mass ratios of 1:18 and black-hole spins of $|a/m| \sim 0.85$ ($0.98$ for equal-mass systems). The inspiral part of the model consists of an extension of frequency-domain post-Newtonian expressions, using higher-order terms fit to the hybrids. The merger-ringdown is based on a phenomenological ansatz that has been significantly improved over previous models. The model exhibits mismatches of typically less than 1\% against all 19 calibration hybrids, and an additional 29 verification hybrids, which provide strong evidence that, over the calibration region, the model is sufficiently accurate for all relevant gravitational-wave astronomy applications with the Advanced LIGO and Virgo detectors. Beyond the calibration region the model produces physically reasonable results, although we recommend caution in assuming that \emph{any} merger-ringdown waveform model is accurate outside its calibration region. As an example, we note that an alternative non-precessing model, SEOBNRv2 (calibrated up to spins of only 0.5 for unequal-mass systems), exhibits mismatch errors of up to 10\% for high spins outside its calibration region. We conclude that waveform models would benefit most from a larger number of numerical-relativity simulations of high-aligned-spin unequal-mass binaries.

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 Dates: 2015-08-282015-09-252016
 Publication Status: Published in print
 Pages: 27 pages, 21 figures, Updated coefficients table
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 Rev. Method: -
 Identifiers: arXiv: 1508.07253
DOI: 10.1103/PhysRevD.93.044007
URI: http://arxiv.org/abs/1508.07253
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 93 Sequence Number: 044007 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258