Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/111400
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Type: Journal article
Title: GW170817: implications for the stochastic gravitational-wave background from compact binary coalescences
Author: Abbott, B.
Abbott, R.
Abbott, T.
Acernese, F.
Ackley, K.
Adams, C.
Adams, T.
Addesso, P.
Adhikari, R.
Adya, V.
Affeldt, C.
Afrough, M.
Agarwal, B.
Agathos, M.
Agatsuma, K.
Aggarwal, N.
Aguiar, O.
Aiello, L.
Ain, A.
Ajith, P.
et al.
Citation: Physical Review Letters, 2018; 120(9):091101-1-091101-12
Publisher: American Physical Society
Issue Date: 2018
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
B. P. Abbott, R. Abbott ... Miftar Ganija … Won Kim … David J. Ottaway … Peter J. Veitch … et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Abstract: The LIGO Scientific and Virgo Collaborations have announced the event GW170817, the first detection of gravitational waves from the coalescence of two neutron stars. The merger rate of binary neutron stars estimated from this event suggests that distant, unresolvable binary neutron stars create a significant astrophysical stochastic gravitational-wave background. The binary neutron star component will add to the contribution from binary black holes, increasing the amplitude of the total astrophysical background relative to previous expectations. In the Advanced LIGO-Virgo frequency band most sensitive to stochastic backgrounds (near 25 Hz), we predict a total astrophysical background with amplitude Ω_{GW}(f=25  Hz)=1.8_{-1.3}^{+2.7}×10^{-9} with 90% confidence, compared with Ω_{GW}(f=25  Hz)=1.1_{-0.7}^{+1.2}×10^{-9} from binary black holes alone. Assuming the most probable rate for compact binary mergers, we find that the total background may be detectable with a signal-to-noise-ratio of 3 after 40 months of total observation time, based on the expected timeline for Advanced LIGO and Virgo to reach their design sensitivity.
Keywords: LIGO Scientific Collaboration and Virgo Collaboration
Rights: © 2018 American Physical Society
RMID: 0030083654
DOI: 10.1103/PhysRevLett.120.091101
Appears in Collections:Physics publications

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