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Measuring the properties of active galactic nuclei disks with gravitational waves
Avi Vajpeyi, Eric Thrane, Rory Smith +2
Active galactic nuclei (AGN) are promising environments for the assembly of merging binary black hole (BBH) systems. Interest in AGNs as nurseries for merging BBH is rising followi…
High-precision source characterization of intermediate mass-ratio black hole coalescences with gravitational waves: The importance of higher-order multipoles
Tousif Islam, Scott E. Field, Carl-Johan Haster +1
Intermediate mass ratio inspiral (IMRI) binaries -- containing stellar-mass black holes coalescing into intermediate-mass black holes () -- are a highly anticipated…
Bayesian inference for gravitational waves from binary neutron star mergers in third-generation observatories
Rory Smith, Ssohrab Borhanian, Bangalore Sathyaprakash +10
Third-generation (3G) gravitational-wave detectors will observe thousands of coalescing neutron star binaries with unprecedented fidelity. Extracting the highest precision science…
Improved analysis of GW190412 with a precessing numerical relativity surrogate waveform model
Tousif Islam, Scott E. Field, Carl-Johan Haster +1
The recent observation of GW190412, the first high-mass ratio binary black-hole (BBH) merger, by the LIGO-Virgo Collaboration (LVC) provides a unique opportunity to probe the impac…
GW190521 as a merger of Proca stars: a potential new vector boson of eV
Juan Calderón Bustillo, Nicolas Sanchis-Gual, Alejandro Torres-Forné +6
Advanced LIGO-Virgo reported a short gravitational-wave signal (GW190521) interpreted as a quasi-circular merger of black holes, one populating the pair-instability supernova gap,…
Gravitational wave detection without boot straps: a Bayesian approach
Gregory Ashton, Eric Thrane, Rory J. E. Smith
In order to separate astrophysical gravitational-wave signals from instrumental noise, which often contains transient non-Gaussian artifacts, astronomers have traditionally relied…
Massively parallel Bayesian inference for transient gravitational-wave astronomy
Rory Smith, Gregory Ashton, Avi Vajpeyi +1
Understanding the properties of transient gravitational waves and their sources is of broad interest in physics and astronomy. Bayesian inference is the standard framework for astr…
Measuring the neutron star equation of state with gravitational waves: the first forty binary neutron star mergers
Francisco Hernandez Vivanco, Rory Smith, Eric Thrane +3
Gravitational waves from binary neutron star coalescences contain rich information about matter at supranuclear densities encoded by the neutron star equation of state. We can meas…
Accelerated detection of the binary neutron star gravitational-wave background
Francisco Hernandez Vivanco, Rory Smith, Eric Thrane +1
Most gravitational-wave signals from binary neutron star coalescences are too weak to be individually resolved with current detectors. We demonstrate how to extract a population of…
Enhancing confidence in the detection of gravitational waves from compact binaries using signal coherence
Maximiliano Isi, Rory Smith, Salvatore Vitale +3
We show that gravitational-wave signals from compact binary mergers may be better distinguished from instrumental noise transients by using Bayesian models that look for signal coh…
Parameterized tests of the strong-field dynamics of general relativity using gravitational wave signals from coalescing binary black holes: Fast likelihood calculations and sensitivity of the method
Jeroen Meidam, Ka Wa Tsang, Janna Goldstein +15
Thanks to the recent discoveries of gravitational wave signals from binary black hole mergers by Advanced Laser Interferometer Gravitational Wave Observatory and Advanced Virgo, th…
The optimal search for an astrophysical gravitational-wave background
Rory Smith, Eric Thrane
Roughly every 2-10 minutes, a pair of stellar mass black holes merge somewhere in the Universe. A small fraction of these mergers are detected as individually resolvable gravitatio…
A Surrogate Model of Gravitational Waveforms from Numerical Relativity Simulations of Precessing Binary Black Hole Mergers
Jonathan Blackman, Scott E. Field, Mark A. Scheel +4
We present the first surrogate model for gravitational waveforms from the coalescence of precessing binary black holes. We call this surrogate model NRSur4d2s. Our methodology sign…
Fast and Accurate Inference on Gravitational Waves from Precessing Compact Binaries
Rory Smith, Scott E. Field, Kent Blackburn +4
Inferring astrophysical information from gravitational waves emitted by compact binaries is one of the key science goals of gravitational-wave astronomy. In order to reach the full…
Robust parameter estimation for compact binaries with ground-based gravitational-wave observations using the LALInference software library
John Veitch, Vivien Raymond, Benjamin Farr +24
The Advanced LIGO and Advanced Virgo gravitational wave (GW) detectors will begin operation in the coming years, with compact binary coalescence events a likely source for the firs…
Accelerated gravitational-wave parameter estimation with reduced order modeling
Priscilla Canizares, Scott E. Field, Jonathan Gair +3
Inferring the astrophysical parameters of coalescing compact binaries is a key science goal of the upcoming advanced LIGO-Virgo gravitational-wave detector network and, more genera…