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Diving below the spin-down limit: Constraints on gravitational waves from the energetic young pulsar PSR J0537-6910
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589
We present a search for continuous gravitational-wave signals from the young, energetic X-ray pulsar PSR J0537-6910 using data from the second and third observing runs of LIGO and…
The BayesWave analysis pipeline in the era of gravitational wave observations
Neil J. Cornish, Tyson B. Littenberg, Bence Bécsy +4
We describe updates and improvements to the BayesWave gravitational wave transient analysis pipeline, and provide examples of how the algorithm is used to analyze data from ground-…
Population Properties of Compact Objects from the Second LIGO-Virgo Gravitational-Wave Transient Catalog
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1338
We report on the population of the 47 compact binary mergers detected with a false-alarm rate 1/yr in the second LIGO--Virgo Gravitational-Wave Transient Catalog, GWTC-2. We observ…
Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1344
Gravitational waves enable tests of general relativity in the highly dynamical and strong-field regime. Using events detected by LIGO-Virgo up to 1 October 2019, we evaluate the co…
GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
R. Abbott, T. D. Abbott, S. Abraham +1349
We report on gravitational wave discoveries from compact binary coalescences detected by Advanced LIGO and Advanced Virgo in the first half of the third observing run (O3a) between…
Properties and astrophysical implications of the 150 Msun binary black hole merger GW190521
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254
The gravitational-wave signal GW190521 is consistent with a binary black hole merger source at redshift 0.8 with unusually high component masses, and $6…
GW190521: A Binary Black Hole Merger with a Total Mass of
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1253
On May 21, 2019 at 03:02:29 UTC Advanced LIGO and Advanced Virgo observed a short duration gravitational-wave signal, GW190521, with a three-detector network signal-to-noise ratio…
GW190814: Gravitational Waves from the Coalescence of a 23 M Black Hole with a 2.6 M Compact Object
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254
We report the observation of a compact binary coalescence involving a 22.2 - 24.3 black hole and a compact object with a mass of 2.50 - 2.67 (all measuremen…
Detection and parameter estimation of binary neutron star merger remnants
Paul J. Easter, Sudarshan Ghonge, Paul D. Lasky +4
Detection and parameter estimation of binary neutron star merger remnants can shed light on the physics of hot matter at supranuclear densities. Here we develop a fast, simple mode…
Neutron star tidal deformability and equation of state constraints
Katerina Chatziioannou
Despite their long history and astrophysical importance, some of the key properties of neutron stars are still uncertain. The extreme conditions encountered in their interiors, inv…
Bayesian inference for compact binary coalescences with BILBY: Validation and application to the first LIGO--Virgo gravitational-wave transient catalogue
I. M. Romero-Shaw, C. Talbot, S. Biscoveanu +56
Gravitational waves provide a unique tool for observational astronomy. While the first LIGO--Virgo catalogue of gravitational-wave transients (GWTC-1) contains eleven signals from…
Inferring the maximum and minimum mass of merging neutron stars with gravitational waves
Katerina Chatziioannou, Will M. Farr
We show that the maximum and the minimum mass of merging neutron stars can be estimated with upcoming gravitational wave observations. We simulate populations of binary neutron sta…
A Population-Informed Mass Estimate for Pulsar J0740+6620
Will M. Farr, Katerina Chatziioannou
Galactic double neutron star systems have a tight mass distribution around , but the mass distribution of all known pulsars is broader. Here we reconstruct the…
Inference of the neutron star equation of state from cosmological distances
Carl-Johan Haster, Katerina Chatziioannou, Andreas Bauswein +1
Finite-size effects on the gravitational wave signal from a neutron star merger typically manifest at high frequencies where detector sensitivity decreases. Proposed sensitivity im…
GW190412: Observation of a Binary-Black-Hole Coalescence with Asymmetric Masses
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254
We report the observation of gravitational waves from a binary-black-hole coalescence during the first two weeks of LIGO's and Virgo's third observing run. The signal was recorded…
Equation of state constraints from the threshold binary mass for prompt collapse of neutron star mergers
Andreas Bauswein, Sebastian Blacker, Vimal Vijayan +7
Using hydrodynamical simulations for a large set of high-density matter equations of state (EoSs) we systematically determine the threshold mass M_thres for prompt black-hole forma…
Reconstructing gravitational wave signals from binary black hole mergers with minimal assumptions
Sudarshan Ghonge, Katerina Chatziioannou, James A. Clark +4
We present a systematic comparison of the binary black hole (BBH) signal waveform reconstructed by two independent and complementary approaches used in LIGO and Virgo source infere…
Nonparametric constraints on neutron star matter with existing and upcoming gravitational wave and pulsar observations
Philippe Landry, Reed Essick, Katerina Chatziioannou
Observations of neutron stars, whether in binaries or in isolation, provide information about the internal structure of the most extreme material objects in the Universe. In this w…
Prospects for Fundamental Physics with LISA
Enrico Barausse, Emanuele Berti, Thomas Hertog +318
In this paper, which is of programmatic rather than quantitative nature, we aim to further delineate and sharpen the future potential of the LISA mission in the area of fundamental…
GW190425: Observation of a Compact Binary Coalescence with Total Mass
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1199
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 contribut…