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New method to search for continuous gravitational waves from unknown neutron stars in binary systems

Apr 9, 2019

18 pages

Published in:

Phys.Rev.D 99 (2019) 12, 124019

Published: Jun 13, 2019

e-Print:

1904.04873 [astro-ph.IM]

DOI:

10.1103/PhysRevD.99.124019

View in:

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Abstract: (APS)

Nonaxisymmetric, fast-spinning unknown neutron stars in binary systems may emit continuous gravitational waves (nearly monochromatic long-duration signals) which can be detected by ground-based detectors like LIGO and Virgo. In this paper we present a new pipeline, called BinarySkyHough, that can carry out all-sky searches for neutron stars in binary systems by exploiting the usage of graphics processing units. We give a detailed explanation of this new pipeline, and we present simulations which allow us to estimate the sensitivity of the new pipeline, which is approximately twice as sensitive as the best active pipeline with a comparable computational cost.

General relativity, alternative theories of gravity
neutron star
binary: coalescence
numerical methods
numerical calculations
data analysis method
gravitational radiation
gravitational radiation: emission
gravitational radiation detector
gravitational radiation: direct detection

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Figures(17)

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