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Neil R. Robertson
University of Lübeck
PhysicsAstronomyGravitational waveLIGOAstrophysics
703Publications
68H-index
27.8kCitations
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Publications 378
Newest
#1B. P. AbbottH-Index: 69
#1B. AbbottH-Index: 79
Last. T. DietrichH-Index: 13
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On 2019 April 25, the LIGO Livingston detector observed a compact binary coalescence with signal-to-noise ratio 12.9. The Virgo detector was also taking data that did not contribute to detection due to a low signal-to-noise ratio, but were used for subsequent parameter estimation. The 90% credible intervals for the component masses range from 1.12 to 2.52 M_{\odot}(1.45 to 1.88 M_{\odot}if we restrict the dimensionless component spin magnitudes to be smaller than 0.05). These mass paramete...
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#1B. P. AbbottH-Index: 69
#2Zane A WardenH-Index: 1
Last. J. ZweizigH-Index: 59
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The LIGO Scientific Collaboration and the Virgo Collaboration have cataloged eleven confidently detected gravitational-wave events during the first two observing runs of the advanced detector era. All eleven events were consistent with being from well-modeled mergers between compact stellar-mass objects: black holes or neutron stars. The data around the time of each of these events have been made publicly available through the Gravitational-Wave Open Science Center. The entirety of the gravitati...
1 CitationsSource
#3T. D. Abbott (LSU: Louisiana State University)H-Index: 31
#3B. P. AbbottH-Index: 69
Last. J. ZweizigH-Index: 59
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GW170817 is the very first observation of gravitational waves originating from the coalescence of two compact objects in the mass range of neutron stars, accompanied by electromagnetic counterparts, and offers an opportunity to directly probe the internal structure of neutron stars. We perform Bayesian model selection on a wide range of theoretical predictions for the neutron star equation of state. For the binary neutron star hypothesis, we find that we cannot rule out the majority of theoretic...
9 CitationsSource
#1Haocun YuH-Index: 35
#2L. McCullerH-Index: 16
Last. Matthew EvansH-Index: 58
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Measurement of minuscule forces and displacements with ever greater precision encounters a limit imposed by a pillar of quantum mechanics: the Heisenberg uncertainty principle. A limit to the precision with which the position of an object can be measured continuously is known as the standard quantum limit (SQL). When light is used as the probe, the SQL arises from the balance between the uncertainties of photon radiation pressure imposed on the object and of the photon number in the photoelectri...
1 Citations
#3R. AbbottH-Index: 56
#3R. AbbottH-Index: 28
Last. J. ZweizigH-Index: 59
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Advanced LIGO and Advanced Virgo are actively monitoring the sky and collecting gravitational-wave strain data with sufficient sensitivity to detect signals routinely. In this paper we describe the data recorded by these instruments during their first and second observing runs. The main data products are the gravitational-wave strain arrays, released as time series sampled at 16384 Hz. The datasets that include this strain measurement can be freely accessed through the Gravitational Wave Open Sc...
6 Citations
#1M. TseH-Index: 34
#2Haocun YuH-Index: 35
Last. J. ZweizigH-Index: 59
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The Laser Interferometer Gravitational Wave Observatory (LIGO) has been directly detecting gravitational waves from compact binary mergers since 2015. We report on the first use of squeezed vacuum states in the direct measurement of gravitational waves with the Advanced LIGO H1 and L1 detectors. This achievement is the culmination of decades of research to implement squeezed states in gravitational-wave detectors. During the ongoing O3 observation run, squeezed states are improving the sensitivi...
11 CitationsSource
#1B. AbbottH-Index: 79
#1B. P. AbbottH-Index: 69
Last. William MoranH-Index: 15
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We present results from a semicoherent search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1, using a hidden Markov model (HMM) to track spin wandering. This search improves on previous HMM-based searches of LIGO data by using an improved frequency domain matched filter, the \mathcal{J}statistic, and by analysing data from Advanced LIGO's second observing run. In the frequency range searched, from 60to 650\,\mathrm{Hz} we find no evidence of gravitational...
4 CitationsSource
#1B. P. Abbott (California Institute of Technology)H-Index: 69
#1Brad Abbott (California Institute of Technology)H-Index: 66
Last. Francesco Carotenuto (Leibniz University of Hanover)H-Index: 1
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We present the results of targeted searches for gravitational-wave transients associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo, which took place from 2016 November to 2017 August. We have analyzed 98 gamma-ray bursts using an unmodeled search method that searches for generic transient gravitational waves and 42 with a modeled search method that targets compact-binary mergers as progenitors of short gamma-ray bursts. Both methods clearly detect ...
5 CitationsSource
#1Natasha Ng (Agency for Science, Technology and Research)
#2Sara M. Willems (University of Cambridge)H-Index: 28
Last. Xueling Sim (UM: University of Michigan)H-Index: 44
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Metabolic dysregulation in multiple tissues alters glucose homeostasis and influences risk for type 2 diabetes (T2D). To identify pathways and tissues influencing T2D-relevant glycemic traits (fasting glucose [FG], fasting insulin [FI], two-hour glucose [2hGlu] and glycated hemoglobin [HbA1c]), we investigated associations of exome-array variants in up to 144,060 individuals without diabetes of multiple ancestries. Single-variant analyses identified novel associations at 21 coding variants in 18...
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#1Brant Abbott (California Institute of Technology)H-Index: 108
#1B. P. Abbott (California Institute of Technology)H-Index: 69
Last. F. Salemi (MPG: Max Planck Society)H-Index: 48
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When formed through dynamical interactions, stellar-mass binary black holes (BBHs) may retain eccentric orbits (e > 0.1 at 10 Hz) detectable by ground-based gravitational-wave detectors. Eccentricity can therefore be used to differentiate dynamically formed binaries from isolated BBH mergers. Current template-based gravitational-wave searches do not use waveform models associated with eccentric orbits, rendering the search less efficient for eccentric binary systems. Here we present the results ...
7 CitationsSource
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