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  Characterizing the sensitivity of isolated continuous gravitational wave searches to binary orbits

Singh, A., Papa, M. A., & Dergachev, V. (2019). Characterizing the sensitivity of isolated continuous gravitational wave searches to binary orbits. Physical Review D, 100(2): 024058.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-6810-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-76CE-0
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 Creators:
Singh, Avneet1, Author              
Papa, Maria Alessandra1, Author              
Dergachev, Vladimir2, Author              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              
2Searching for Continuous Gravitational Waves, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_2630691              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: Broadband all-sky searches for continuous gravitational waves (CW) from isolated neutron stars typically yield a number of significant candidates that are discarded through hierarchical semi-coherent and coherent follow-up searches. However, these searches target purely isolated sources and do not take into account possible phase modulations to the signals due to companion objects in binary orbits. If the source object is in a binary orbit, the signal-to-noise ratio (SNR) of a signal will diminish due to the mismatch between the signal waveform and the template waveform used in the search. In this paper, we investigate the sensitivity of CW searches to signals from sources in binary systems over an exhaustive range of binary orbits. We use Monte-Carlo simulations to constrain the ranges of binary orbital parameters that leave a CW signal from a source in a binary orbit visible in a search for signals from an isolated source (isolated searches), and consequently tighten the parameter space explorable with dedicated searches for signals from sources in binary systems (binary searches).

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 Dates: 2019-04-122019
 Publication Status: Published in print
 Pages: 12 pages, 10 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1904.06325
URI: http://arxiv.org/abs/1904.06325
DOI: 10.1103/PhysRevD.100.024058
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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: 100 (2) Sequence Number: 024058 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258