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Inferring Parameters of GW170502: The Loudest Intermediate-mass Black Hole Trigger in LIGO's O1/O2 data
Richard Udall, Karan Jani, Jacob Lange +5
Gravitational wave (GW) measurements provide the most robust constraints of the mass of astrophysical black holes. Using state-of-the-art GW signal models and a unique parameter es…
Constraining the Gravitational-Wave Afterglow From a Binary Neutron Star Coalescence
Sharan Banagiri, Michael W. Coughlin, James Clark +5
Binary neutron star mergers are rich laboratories for physics, accessible with ground-based interferometric gravitational-wave detectors such as the Advanced LIGO and Advanced Virg…
Model comparison from LIGO-Virgo data on GW170817's binary components and consequences for the merger remnant
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1191
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 electromagn…
Noise spectral estimation methods and their impact on gravitational wave measurement of compact binary mergers
Katerina Chatziioannou, Carl-Johan Haster, Tyson B. Littenberg +5
Estimating the parameters of gravitational wave signals detected by ground-based detectors requires an understanding of the properties of the detectors' noise. In particular, the m…
Search for gravitational-wave signals associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo
B. P. Abbott, R. Abbott, T. D. Abbott +1196
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,…
Post-merger chirps from binary black holes as probes of the final black-hole horizon
Juan Calderón Bustillo, Chris Evans, James A. Clark +3
The merger of a binary black hole gives birth to a highly distorted final black hole. The gravitational radiation emitted as this black hole relaxes presents us with the unique opp…
Astrophysical science metrics for next-generation gravitational-wave detectors
Rana X Adhikari, P Ajith, Yanbei Chen +8
The second generation of gravitational-wave detectors are being built and tuned all over the world. The detection of signals from binary black holes is beginning to fulfill the pro…
Summary of Tests of General Relativity with the Binary Black Hole Signals from the LIGO-Virgo Catalog GWTC-1
Nathan K. Johnson-McDaniel
We summarize the four tests of general relativity carried out using the ten binary black hole signals detected by Advanced LIGO and Advanced Virgo and included in their first catal…
Measuring Spin of the Remnant Black Hole from Maximum Amplitude
Deborah Ferguson, Sudarshan Ghonge, James A. Clark +3
Gravitational waves emitted during the merger of two black holes carry information about the remnant black hole, namely its mass and spin. This information is typically found from…
Equation-of-state Constraints and the QCD Phase Transition in the Era of Gravitational-Wave Astronomy
Andreas Bauswein, Niels-Uwe Friedrich Bastian, David Blaschke +7
We describe a multi-messenger interpretation of GW170817, which yields a robust lower limit on NS radii. This excludes NSs with radii smaller than about 10.7 km and thus rules out…
All-sky search for long-duration gravitational-wave transients in the second Advanced LIGO observing run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1183
We present the results of a search for long-duration gravitational-wave transients in the data from the Advanced LIGO second observation run; we search for gravitational-wave trans…
A Precessing Numerical Relativity Waveform Surrogate Model for Binary Black Holes: A Gaussian Process Regression Approach
Daniel Williams, Ik Siong Heng, Jonathan Gair +2
Gravitational wave astrophysics relies heavily on the use of matched filtering both to detect signals in noisy data from detectors, and to perform parameter estimation on those sig…
On the properties of the massive binary black hole merger GW170729
Katerina Chatziioannou, Roberto Cotesta, Sudarshan Ghonge +53
We present a detailed investigation into the properties of GW170729, the gravitational wave with the most massive and distant source confirmed to date. We employ an extensive set o…
Tests of General Relativity with the Binary Black Hole Signals from the LIGO-Virgo Catalog GWTC-1
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1142
The detection of gravitational waves by Advanced LIGO and Advanced Virgo provides an opportunity to test general relativity in a regime that is inaccessible to traditional astronom…
Search for the isotropic stochastic background using data from Advanced LIGO's second observing run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1133
The stochastic gravitational-wave background is a superposition of sources that are either too weak or too numerous to detect individually. In this study we present the results fro…
Search for transient gravitational wave signals associated with magnetar bursts during Advanced LIGO's second observing run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1129
We present the results of a search for short and intermediate-duration gravitational-wave signals from four magnetar bursts in Advanced LIGO's second observing run. We find no evid…