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https://hdl.handle.net/2440/106893
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Type: | Journal article |
Title: | Search for gravitational waves from Scorpius X-1 in the first Advanced LIGO observing run with a hidden Markov model |
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. Agatsuma, K. Aggarwal, N. Aguiar, O. Aiello, L. Ain, A. Ajith, P. Allen, B. et al. |
Citation: | Physical Review D, 2017; 95(12):122003-1-122003-20 |
Publisher: | AMER PHYSICAL SOC |
Issue Date: | 2017 |
ISSN: | 2470-0010 2470-0029 |
Statement of Responsibility: | B. P. Abbott … F. Acernese … Miftar Ganija … Won Kim … David J. Ottaway … Peter J. Veitch … et al. |
Abstract: | Results are presented from a semicoherent search for continuous gravitational waves from the brightest low-mass X-ray binary, Scorpius X-1, using data collected during the first Advanced LIGO observing run. The search combines a frequency domain matched filter (Bessel-weighted F-statistic) with a hidden Markov model to track wandering of the neutron star spin frequency. No evidence of gravitational waves is found in the frequency range 60–650 Hz. Frequentist 95% confidence strain upper limits, h95%0=4.0×10−25, 8.3×10−25, and 3.0×10−25 for electromagnetically restricted source orientation, unknown polarization, and circular polarization, respectively, are reported at 106 Hz. They are ≤10 times higher than the theoretical torque-balance limit at 106 Hz. |
Rights: | © 2017 American Physical Society |
DOI: | 10.1103/PhysRevD.95.122003 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1103/physrevd.95.122003 |
Appears in Collections: | Aurora harvest 8 Physics publications |
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