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We introduce an efficient and straightforward technique for rapidly detecting gravitational waves from compact binary mergers. We show that this method achieves the low latencies required to alert electromagnetic partners of candidate…

General Relativity and Quantum Cosmology · Physics 2018-08-08 Alexander H. Nitz , Tito Dal Canton , Derek Davis , Steven Reyes

Gravitational wave observations from merging compact objects are becoming commonplace, and as detectors improve and gravitational wave sources become more varied, it is increasingly important to have dense and expansive template banks of…

General Relativity and Quantum Cosmology · Physics 2023-01-25 Deborah Ferguson

We propose the use of automatic differentiation through the programming framework jax for accelerating a variety of analysis tasks throughout gravitational wave (GW) science. Firstly, we demonstrate that complete waveforms which cover the…

Instrumentation and Methods for Astrophysics · Physics 2023-02-13 Thomas D. P. Edwards , Kaze W. K. Wong , Kelvin K. H. Lam , Adam Coogan , Daniel Foreman-Mackey , Maximiliano Isi , Aaron Zimmerman

Machine learning can be a powerful tool to discover new signal types in astronomical data. We here apply it to search for long-duration transient gravitational waves triggered by pulsar glitches, which could yield physical insight into the…

High Energy Astrophysical Phenomena · Physics 2023-07-18 Luana M. Modafferi , Rodrigo Tenorio , David Keitel

The phenomenon of Gravitational Wave (GW) analysis has grown in popularity as technology has advanced and the process of observing gravitational waves has become more precise. Although the sensitivity and the frequency of observation of GW…

Machine Learning · Computer Science 2023-11-07 Elena-Simona Apostol , Ciprian-Octavian Truică

We introduce the use of deep learning ensembles for real-time, gravitational wave detection of spinning binary black hole mergers. This analysis consists of training independent neural networks that simultaneously process strain data from…

General Relativity and Quantum Cosmology · Physics 2020-12-21 Wei Wei , Asad Khan , E. A. Huerta , Xiaobo Huang , Minyang Tian

We have implemented an extension for the observational seismology obspy software package to provide a streamlined tool tailored to the processing of seismic signals from non-earthquake sources, in particular those from deforming systems…

Geophysics · Physics 2021-08-20 Ross J. Turner , Rebecca B. Latto , Anya M. Reading

We demonstrate the implementation of a sensitive search pipeline for gravitational waves from coalescing binary black holes whose components have spins aligned with the orbital angular momentum. We study the pipeline recovery of simulated…

Abbreviated: We investigate the potential of detecting the gravitational wave from individual binary black hole systems using pulsar timing arrays (PTAs) and calculate the accuracy for determining the GW properties. This is done in a…

High Energy Astrophysical Phenomena · Physics 2015-05-27 K. J. Lee , N. Wex , M. Kramer , B. W. Stappers , C. G. Bassa , G. H. Janssen , R. Karuppusamy , R. Smits

Observed angular positions and redshifts of large-scale structure tracers such as galaxies are affected by gravitational waves through volume distortion and magnification effects. Thus, a gravitational wave background can in principle be…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-30 Donghui Jeong , Fabian Schmidt

The gravitational wave signal of binary compact objects has two main contributions at frequencies below the characteristic merger frequency: the gravitational wave signal associated with the early inspiral stage of the binary and the…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-09 Silvia Gasparotto , Gabriele Franciolini , Valerie Domcke

Multi-messenger searches for gravitational waves and high-energy neutrinos provide important insights into the dynamics of and particle acceleration by black holes and neutron stars. With LIGO's third observing period (O3), the number of…

High Energy Astrophysical Phenomena · Physics 2019-08-15 Azadeh Keivani , Doga Veske , Stefan Countryman , Imre Bartos , K. Rainer Corley , Zsuzsa Marka , Szabolcs Marka

By precisely monitoring the "ticks" of Nature's most precise clocks (millisecond pulsars), scientists are trying to detect the "ripples in spacetime" (gravitational waves) produced by the inspirals of supermassive black holes in the centers…

Physics Education · Physics 2018-10-17 Michael T. Lam , Joseph D. Romano , Joey S. Key , Marc Normandin , Jeffrey S. Hazboun

Detecting a stochastic gravitational wave background requires that we first understand and model any astrophysical foregrounds. In the millihertz frequency band, the predominate foreground signal will be from unresolved white dwarf binaries…

General Relativity and Quantum Cosmology · Physics 2014-01-23 Matthew R. Adams , Neil J. Cornish

The wolensing Python package offers a solution for gravitational wave lensing computations within the full wave-optics regime. This tool is primarily designed to calculate the gravitational lensing amplification factor including diffractive…

Instrumentation and Methods for Astrophysics · Physics 2024-10-29 Simon M. C. Yeung , Mark H. Y. Cheung , Miguel Zumalacarregui , Otto A. Hannuksela

Hardware injections are simulated gravitational-wave signals added to the Laser Interferometer Gravitational-wave Observatory (LIGO). The detectors' test masses are physically displaced by an actuator in order to simulate the effects of a…

We present a novel computational framework that connects Blue Waters, the NSF-supported, leadership-class supercomputer operated by NCSA, to the Laser Interferometer Gravitational-Wave Observatory (LIGO) Data Grid via Open Science Grid…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-11-30 E. A. Huerta , Roland Haas , Edgar Fajardo , Daniel S. Katz , Stuart Anderson , Peter Couvares , Josh Willis , Timothy Bouvet , Jeremy Enos , William T. C. Kramer , Hon Wai Leong , David Wheeler

The problem of accurately measuring the similarity between graphs is at the core of many applications in a variety of disciplines. Graph kernels have recently emerged as a promising approach to this problem. There are now many kernels, each…

We introduce pyGSL, a Python library that provides efficient implementations of state-of-the-art graph structure learning models along with diverse datasets to evaluate them on. The implementations are written in GPU-friendly ways, allowing…

Machine Learning · Computer Science 2022-11-08 Max Wasserman , Gonzalo Mateos

The parallelization, design and scalability of the \sky code to search for periodic gravitational waves from rotating neutron stars is discussed. The code is based on an efficient implementation of the F-statistic using the Fast Fourier…

General Relativity and Quantum Cosmology · Physics 2015-02-03 Gevorg Poghosyan , Sanchit Matta , Achim Streit , Michał Bejger , Andrzej Królak