Binary black hole
GW150914 : first results from the search for binary black hole coalescence with Advanced LIGO
... When an event is confidently identified as a real gravitational wave signal, as for GW150914, the back- ground used to determine the significance of other events is reestimated without the contribution of this event. ...
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Directly comparing GW150914 with numerical solutions of Einstein's equations for binary black hole coalescence
... Since then, the field has seen an explosion of activity and improvements in methods and capabilities; see, e.g., Refs. [44 – 47]. Multiple approaches have been pursued and validated against one another [10,48,49]. ...
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GW170814: A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence
... Both of these waveform models are calibrated to partially overlapping sets of numerical-relativity simulations of binary black hole coalescences, following from the initial break- throughs reported ...
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Observation of gravitational waves from a binary black hole merger
... a black hole [5,6], and in 1963 Kerr generalized the solution to rotating black holes ...of black hole quasinormal modes [8 – 10], and in the 1990s higher-order post- Newtonian ...
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GW150914: First results from the search for binary black hole coalescence with Advanced LIGO
... Simulated signals are added to the detector data to validate the performance of our searches. These simulations can be added either in software, by adding a waveform to the in- put strain data, or by moving the ...
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Surrogate Models of Gravitational Waves from Numerical Relativity Simulations of Binary Black Hole Mergers
... or black holes are expected to be the main signals detected by the advanced generation of gravitational wave detectors [35, 36, 157, ...compact binary waveforms. A compact binary intrinsically ...
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Observation of Gravitational Waves from a Binary Black Hole Merger
... a black hole [5,6], and in 1963 Kerr generalized the solution to rotating black holes ...of black hole quasinormal modes [8 – 10], and in the 1990s higher-order post- Newtonian ...
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GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2
... heavy binary black hole system, with a total mass of ∼50 M ⊙ , suggesting formation in a subsolar metallicity environment ...the black hole spins show a preference away from being ...
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Analyzing Binary Black hole Spacetimes
... merging black-hole binaries by LIGO (Laser Interferometer GravitationalWave Observatory), a new era of gravitational wave astronomy was ...more black-hole binaries in the ...and ...
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Binary black hole mergers in the first Advanced LIGO observing run
... from binary black hole systems, unambiguously identified two signals, GW150914 and GW151226, with a significance of greater than 5σ over the observing ...compact-object binary in the large ...
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Directly comparing GW150914 with numerical solutions of Einstein's equations for binary black hole coalescence
... for binary black hole coalescence [6] do not yet account for the asymmetries [15] responsible for the largest gravitational- wave recoil kicks [16, ...a binary with aligned spins, or a ...
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Search for gravitational waves from binary black hole inspirals in LIGO data
... The amplitude and phase of the standard post- Newtonian (TaylorT3, [16]), EOB, and Pade´ waveforms, evaluated at different post-Newtonian orders, differ from each other in the last stages of inspiral, close to the inner- ...
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Search for gravitational waves from binary black hole inspiral, merger, and ringdown
... sive black holes are likely to sink to the centers of clusters through mass segregation and substitute into binaries dur- ing three-body encounters, thus favoring relatively massive components in dynamically ...
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Mimicking mesh refinement to construct initial data for a binary black hole system
... to a hypersurface [5]. The lapse function measures the distance in time between succes- sive hypersurfaces (moments in time) along a time-like curve perpendicular to the spatial hypersurface. The shift vector measures ...
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The NINJA-2 project : detecting and characterizing gravitational waveforms modelled using numerical binary black hole simulations
... of black hole spin magnitudes and tilts (orientation of the spin relative to the orbital angular momentum), more can be learned about supernovae kicks and compact binary formation ...Stellar-mass ...
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Astrophysical implications the binary black hole merger GW150914
... of binary systems with a roughly fl at mass-ratio distribution ( Kobulnicky & Fryer 2007; Sana et ...any binary interactions. The development of binary population models focused on the formation ...
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Accurate Gravitational Waveforms from Binary Black hole Systems
... Despite these difficulties, several comparisons between NR and PN have been done for the last few orbits of an equal-mass, nonspinning black-hole binary. The first such study was done by Buonanno et ...
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Properties of the binary black hole merger GW150914
... generality by large-scale NR simulations [32 – 34]. Since these pioneering works, numerous improvements have enabled numerical simulations of BBHs with sufficient accuracy for the applications considered here and for the ...
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BPASS predictions for binary black hole mergers
... Comparing our maximum BH masses to those presented in Bel- czynski et al. (2016a), we find the difference between predicted BH masses is roughly a factor between 1.25 and 2 at metallicities around Solar and below. The ...
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The basic physics of the binary black hole merger GW150914
... Advanced LIGO made the first observation of a gravi- tational wave (GW) signal, GW150914 [1], on Septem- ber 14th, 2015, a successful confirmation of a prediction by Einstein’s theory of general relativity (GR). The sig- ...
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