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  Efficient Estimation of Barycentered Relative Time Delays for Distant Gravitational Wave Sources

Sauter, O., Dergachev, V., & Riles, K. (2019). Efficient Estimation of Barycentered Relative Time Delays for Distant Gravitational Wave Sources. Physical Review D, 99: 044006. doi:10.1103/PhysRevD.99.044006.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-F939-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F93D-2
Genre: Journal Article

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 Creators:
Sauter, Orion, Author
Dergachev, Vladimir1, Author              
Riles, Keith, Author
Affiliations:
1Searching for Continuous Gravitational Waves, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_2630691              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM,General Relativity and Quantum Cosmology, gr-qc
 Abstract: Accurate determination of gravitational wave source parameters relies on transforming between the source and detector frames. All-sky searches for continuous wave sources are computationally expensive, in part, because of barycentering transformation of time delays to a solar system frame. This expense is exacerbated by the complicated modulation induced in signal templates. We investigate approximations for determining time delays of signals received by a gravitational wave detector with respect to the solar system barycenter. A highly non-linear conventional computation is transformed into one that has a pure linear sum in its innermost loop. We discuss application of these results to determination of the maximal useful integration time of continuous wave searches.

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 Dates: 2017-12-172019-02-072019
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1712.06118
DOI: 10.1103/PhysRevD.99.044006
URI: http://arxiv.org/abs/1712.06118
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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: 99 Sequence Number: 044006 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258