binary black hole merger
Properties of the binary black hole merger GW150914
... respectively. For a binary viewed face-on (cos ι ¼ 1 ), TABLE I. Summary of the parameters that characterize GW150914. For model parameters we report the median value as well as the range of the symmetric 90% ...
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Astrophysical implications the binary black hole merger GW150914
... It is, in principle, possible that “ heavy ” BHs are formed through indirect paths that do not require a low metallicity, but we consider this very unlikely. For example, the formation of “ heavy ” BHs through the ...
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First Measurement of the Hubble Constant from a Dark Standard Siren using the Dark Energy Survey Galaxies and the LIGO/Virgo Binary–Black hole Merger GW170814
... 2017a) came with the discovery of the binary–neutron–star (BNS) merger GW170817 (Abbott et al. 2017) and its asso- ciated electromagnetic counterpart (LIGO Scientific Collab- oration et al. 2017; ...
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First measurement of the Hubble Constant from a dark standard siren using the Dark Energy Survey galaxies and the LIGO/Virgo binary–black-hole merger GW170814
... to enable precision cosmology with BBH events. An analysis with the full, asymmetric, GW likelihood will also be required. While an estimate of those effects is needed, tests on off-source lines of sight show that our ...
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Observation of Gravitational Waves from a Binary Black Hole Merger
... and merger of a pair of black holes and the ringdown of the resulting single black ...initial black hole masses are 36 þ5 −4 M ⊙ and 29 þ4 −4 M ⊙ , and the final black ...
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Observation of gravitational waves from a binary black hole merger
... and merger of a pair of black holes and the ringdown of the resulting single black ...initial black hole masses are 36 þ5 −4 M ⊙ and 29 þ4 −4 M ⊙ , and the final black ...
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The basic physics of the binary black hole merger GW150914
... dense than neutron stars, these bodies exceed the max- imum neutron star mass by an order of magnitude, as the neutron star limit is ∼ 3M (3.2 M in [46, 47], 2.9 M in [48]). A more careful analysis of the frequency ...
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Properties of the Binary Black Hole Merger GW150914
... As the BHs get closer to each other and their velocities increase, the accuracy of the PN expansion degrades, and eventually the full solution of Einstein’s equations is needed to accurately describe the binary ...
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Numerical Relativity beyond General Relativity
... a binary black hole merger is ringdown, in which the system is described by a Kerr black hole with quasinormal mode ...Kerr black hole ...the black ...
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Did LIGO Really Detect Gravitational Waves?—The Existence of Electromagnetic Interaction Made the Experiments of LIGO Invalid
... However, what they observed were only two signs in laser interferometers, without really observing binary black hole merger and 3 solar mass being transformed into gravitational waves, h[r] ...
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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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Frigo, Matteo (2019): The impact of black holes on the stellar-dynamical properties of early-type galaxies. Dissertation, LMU München: Fakultät für Physik
... the merger remnants, using 2D kinematic maps, analyzing their three-dimensional shape, and running a full orbit ...our merger remnants is almost always dominated by x-tube ...of black holes, which ...
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Analyzing Binary Black hole Spacetimes
... of black holes that are believed to exist in the ...a black hole. Although these black holes are supposed to have mass ranges between three and a few 10s of solar ...bigger black holes ...
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BPASS predictions for binary black hole mergers
... a binary interac- tion instead collapse to a neutron star ...a binary companion. Predicting the rates of formation and merger of BH systems thus requires stellar population synthesis: the process by ...
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Search for gravitational waves from binary black hole inspiral, merger, and ringdown in LIGO-Virgo data from 2009-2010
... The aim of our ranking statistic is to optimize the separation of signal from background in the search. We tuned it by studying the distributions of triggers over SNR ðÞ and 2 for time-shifted background events, and for ...
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Equation of state with scale-invariant hidden local symmetry and gravitational waves
... the merger remnant of the higher density inside might invoke a possibility of the immediate formation of a black hole for short gamma ray bursts or the appearance of the higher peak frequency for ...
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Accurate Gravitational Waveforms from Binary Black hole Systems
... of black-hole binaries improve, the criterion for suc- cess moves past the ability of a code to merely persist through many orbits of inspiral, merger, and ...
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An r−process macronova/kilonova in GRB 060614: evidence for the merger of a neutron star-black hole binary
... Figure 1. The excess component in the afterglow of GRB 060614 compared with some core-collapse SNe. The data of excess in GRB 060614 are adopted from [14]. The data of SN 1998bw, the prototype of SN associated with GRB, ...
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Search for gravitational waves from binary black hole inspiral, merger, and ringdown
... the merger of two black holes has proven to be remarkably ...colliding black holes [32] to compute the gravitational- wave signal from the last orbits, merger, and ringdown of a ...
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Multimessenger Probes of High-energy Sources
... The merger of binary black holes, binary neutron stars or black hole-neutron star binaries are abundant gravitational wave sources and will likely make up the majority of ...
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