Browsing Cranfield Defence and Security by Author "Abbott, B. P."

Browsing Cranfield Defence and Security by Author "Abbott, B. P."

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  • All-sky search for long-duration gravitational wave transients with initial LIGO 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-02-12)
    We present the results of a search for long-duration gravitational wave transients in two sets of data collected by the LIGO Hanford and LIGO Livingston detectors between November 5, 2005 and September 30, 2007, and July ...
  • All-sky search for short gravitational-wave bursts in the first Advanced LIGO run 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2017-02-16)
    We present the results from an all-sky search for short-duration gravitational waves in the data of the first run of the Advanced LIGO detectors between September 2015 and January 2016. The search algorithms use minimal ...
  • Astrophysical implications of the binary black hole merger GW150914 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Astronomical Society, 2016-02)
    The discovery of the gravitational-wave (GW) source GW150914 with the Advanced LIGO detectors provides the first observational evidence for the existence of binary black hole (BH) systems that inspiral and merge within the ...
  • The basic physics of the binary black hole merger GW150914 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (Wiley, 2016-10-04)
    The first direct gravitational-wave detection was made by the Advanced Laser Interferometer Gravitational Wave Observatory on September 14, 2015. The GW150914 signal was strong enough to be apparent, without using any ...
  • Binary black hole mergers in the first Advanced LIGO observing run 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-10)
    The first observational run of the Advanced LIGO detectors, from September 12, 2015 to January 19, 2016, saw the first detections of gravitational waves from binary black hole mergers. In this paper, we present full results ...
  • Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration (American Physical Society, 2017-03-28)
    In Advanced LIGO, detection and astrophysical source parameter estimation of the binary black hole merger GW150914 requires a calibrated estimate of the gravitational-wave strain sensed by the detectors. Producing an ...
  • Characterization of transient noise in Advanced LIGO relevant to gravitational wave signal GW150914 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (Institute of Physics, 2016-06)
    On 14 September 2015, a gravitational wave signal from a coalescing black hole binary system was observed by the Advanced LIGO detectors. This paper describes the transient noise backgrounds used to determine the significance ...
  • Comprehensive all-sky search for periodic gravitational waves in the sixth science run LIGO data 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-08)
    We report on a comprehensive all-sky search for periodic gravitational waves in the frequency band 100–1500 Hz and with a frequency time derivative in the range of [−1.18,+1.00]×10−8  Hz/s. Such a signal could be produced ...
  • Directional limits on persistent gravitational waves from advanced LIGO's first observing run 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2017-03-24)
    We employ gravitational-wave radiometry to map the stochastic gravitational wave background expected from a variety of contributing mechanisms and test the assumption of isotropy using data from the Advanced Laser ...
  • Directly comparing GW150914 with numerical solutions of Einstein’s equations for binary black hole coalescence 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-09-14)
    We compare GW150914 directly to simulations of coalescing binary black holes in full general relativity, including several performed specifically to reproduce this event. Our calculations go beyond existing semianalytic ...
  • Effects of waveform model systematics on the interpretation of GW150914 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (Institute of Physics, 2017-04)
    Parameter estimates of GW150914 were obtained using Bayesian inference, based on three semi-analytic waveform models for binary black hole coalescences. These waveform models differ from each other in their treatment of ...
  • Exploring the sensitivity of next generation gravitational wave detectors 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration (Institute of Physics, 2017-01-24)
    The second-generation of gravitational-wave detectors are just starting operation, and have already yielding their first detections. Research is now concentrated on how to maximize the scientific potential of gravitational-wave ...
  • First search for gravitational waves from known pulsars with advanced LIGO 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Astronomical Society, 2017-04-07)
    We present the result of searches for gravitational waves from 200 pulsars using data from the first observing run of the Advanced LIGO detectors. We find no significant evidence for a gravitational-wave signal from any ...
  • First targeted search for gravitational-wave bursts from core-collapse supernovae in data of first-generation laser interferometer detectors 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-11-15)
    We present results from a search for gravitational-wave bursts coincident with two core-collapse supernovae observed optically in 2007 and 2011. We employ data from the Laser Interferometer Gravitational-wave Observatory ...
  • GW150914: First results from the search for binary black hole coalescence with Advanced LIGO 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-06-07)
    On September 14, 2015, at 09∶50:45 UTC the two detectors of the Laser Interferometer Gravitational-Wave Observatory (LIGO) simultaneously observed the binary black hole merger GW150914. We report the results of a matched-filter ...
  • GW150914: Implications for the stochastic gravitational-wave background from binary black holes 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-03-31)
    The LIGO detection of the gravitational wave transient GW150914, from the inspiral and merger of two black holes with masses ≳30M⊙, suggests a population of binary black holes with relatively high mass. This observation ...
  • GW150914: the advanced LIGO detectors in the era of first discoveries 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-03)
    Following a major upgrade, the two advanced detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO) held their first observation run between September 2015 and January 2016. With a strain sensitivity ...
  • GW151226: observation of gravitational waves from a 22-solar-mass binary black hole coalescence 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-06-17)
    We report the observation of a gravitational-wave signal produced by the coalescence of two stellar-mass black holes. The signal, GW151226, was observed by the twin detectors of the Laser Interferometer Gravitational-Wave ...
  • Improved analysis of GW150914 using a fully spin-precessing waveform model 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Physical Society, 2016-06)
    This paper presents updated estimates of source parameters for GW150914, a binary black-hole coalescence event detected by the Laser Interferometer Gravitational-wave Observatory (LIGO) in 2015 [Abbott et al. Phys. Rev. ...
  • Localization and broadband follow-up of the gravitational-wave transient GW150914 
    Abbott, B. P.; Davies, G. S.; LIGO Scientific Collaboration and Virgo Collaboration (American Astronomical Society, 2016-07)
    A gravitational-wave (GW) transient was identified in data recorded by the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) detectors on 2015 September 14. The event, initially designated G184098 and ...

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