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Gravitational waves from coalescing compact binaries are searched using the matched filtering technique. As the model waveform depends on a number of parameters, it is necessary to filter the data through a template bank covering the…

General Relativity and Quantum Cosmology · Physics 2009-11-11 S. Babak , R. Balasubramanian , D. Churches , T. Cokelaer , B. S. Sathyaprakash

Efficient parameter estimation is critical for Gravitational-Wave astronomy. In the case of compact binary coalescence, the high dimensional parameter space demands efficient sampling techniques - such as Markov chain Monte Carlo (MCMC). A…

General Relativity and Quantum Cosmology · Physics 2014-02-04 V. Raymond , W. M. Farr

The recent discovery of the stochastic gravitational-wave background via pulsar timing arrays will likely be followed by the detection of individual black hole binaries that stand out above the background. However, to confidently claim the…

General Relativity and Quantum Cosmology · Physics 2025-02-26 Bence Bécsy , Neil J. Cornish , Polina Petrov , Xavier Siemens , Stephen R. Taylor , Sarah J. Vigeland , Caitlin A. Witt

We discuss gravitational waves from merging binaries using a Newtonian approach with some inputs from the Post-Newtonian formalism. We show that it is possible to understand the key features of the signal using fundamental physics and also…

Popular Physics · Physics 2019-12-20 Jahanvi , Ashish Kumar Meena , J. S. Bagla

Weakly-modelled searches for gravitational waves are essential for ensuring that all potential sources are accounted for in detection efforts, as they make minimal assumptions regarding source morphology. While these searches primarily…

General Relativity and Quantum Cosmology · Physics 2025-10-06 Leigh Smith , Matteo Scialpi , Francesco di Clemente , Michał Bejger

Inspiraling compact binaries are promising sources of gravitational waves for ground and space-based laser interferometric detectors. The time-dependent signature of these sources in the detectors is a well-characterized function of a…

General Relativity and Quantum Cosmology · Physics 2015-06-25 S. Mitra , S. V. Dhurandhar , L. S. Finn

The coalescences of massive black hole binaries are one of the main targets of space-based gravitational wave observatories. Such gravitational wave sources are expected to be accompanied by electromagnetic emissions. Low latency detection…

Instrumentation and Methods for Astrophysics · Physics 2023-04-18 Wen-Hong Ruan , He Wang , Chang Liu , Zong-Kuan Guo

A new generation of observatories is looking for gravitational waves. These waves, emitted by highly relativistic systems, will open a new window for ob- servation of the cosmos when they are detected. Among the most promising sources of…

General Relativity and Quantum Cosmology · Physics 2015-11-11 Warren G. Anderson , Jolien D. E. Creighton

Searching for gravitational waves from compact binary coalescence (CBC) is performed by matched filtering the observed strain data from gravitational-wave observatories against a discrete set of waveform templates designed to accurately…

Instrumentation and Methods for Astrophysics · Physics 2022-05-12 Rahul Dhurkunde , Henning Fehrmann , Alexander H. Nitz

We study whether binary black hole template banks can be used to search for the gravitational waves emitted by general binary coalescences. To recover binary signals from noisy data, matched-filtering techniques are typically required. This…

High Energy Astrophysical Phenomena · Physics 2020-12-16 Horng Sheng Chia , Thomas D. P. Edwards

This article aims at clarifying the situation about astrophysical sources that might be observed with haloscope experiments sensitive to gravitational waves in the 1-10 GHz band. The GrAHal setup is taken as a benchmark. We follow a very…

General Relativity and Quantum Cosmology · Physics 2025-03-13 Aurélien Barrau , Juan García-Bellido , Thierry Grenet , Killian Martineau

Recent non-detection of gravitational-wave backgrounds from pulsar timing arrays casts further uncertainty on the evolution of supermassive black hole binaries. We study the capabilities of current gravitational-wave observatories to detect…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-14 Pablo A. Rosado , Paul D. Lasky , Eric Thrane , Xingjiang Zhu , Ilya Mandel , Alberto Sesana

As the ground-based gravitational-wave telescopes LIGO, Virgo, and GEO 600 approach the era of first detections, we review the current knowledge of the coalescence rates and the mass and spin distributions of merging neutron-star and…

High Energy Astrophysical Phenomena · Physics 2015-03-13 Ilya Mandel , Richard O'Shaughnessy

The vast majority of gravitational-wave signals from stellar-mass compact binary mergers are too weak to be individually detected with present-day instruments and instead contribute to a faint, persistent background. This astrophysical…

High Energy Astrophysical Phenomena · Physics 2024-08-19 Arianna I. Renzini , Thomas A. Callister , Katerina Chatziioannou , Will M. Farr

The coherent WaveBurst (cWB) pipeline implements a minimally-modelled search to find a coherent response in the network of gravitational wave detectors of the LIGO-Virgo Collaboration in the time-frequency domain. In this manuscript, we…

General Relativity and Quantum Cosmology · Physics 2022-03-02 O. Halim , G. Vedovato , E. Milotti , G. A. Prodi , S. Bini , M. Drago , V. Gayathri , C. Lazzaro , D. Lopez , A. Miani , B. O'Brien , F. Salemi , M. Szczepanczyk , S. Tiwari , A. Virtuoso , S. Klimenko

Since the initial discovery of gravitational-waves from merging black holes, the LIGO Scientific Collaboration together with Virgo and KAGRA have published 90 gravitational-wave observations of compact binary mergers in the…

General Relativity and Quantum Cosmology · Physics 2022-09-09 Vera Del Favero

Compact object binaries formed from dynamics interactions will generically have non-zero orbital eccentricity. The gravitational waves from such binaries can change drastically depending on how large the eccentricity is, ranging from…

General Relativity and Quantum Cosmology · Physics 2021-08-31 Nicholas Loutrel

Gravitational wave detection requires an in-depth understanding of the physical properties of gravitational wave signals, and the noise from which they are extracted. Understanding the statistical properties of noise is a complex endeavor,…

General Relativity and Quantum Cosmology · Physics 2019-12-05 Wei Wei , E. A. Huerta

We introduce an algorithm for placing template waveforms for the search of compact binary mergers in gravitational wave interferometer data. We exploit the smooth dependence of the amplitude and unwrapped phase of the frequency-domain…

Instrumentation and Methods for Astrophysics · Physics 2019-07-03 Javier Roulet , Liang Dai , Tejaswi Venumadhav , Barak Zackay , Matias Zaldarriaga

We introduce a reduced basis approach as a new paradigm for modeling, representing and searching for gravitational waves. We construct waveform catalogs for non-spinning compact binary coalescences, and we find that for accuracies of 99%…

General Relativity and Quantum Cosmology · Physics 2015-03-17 Scott E. Field , Chad R. Galley , Frank Herrmann , Jan S. Hesthaven , Evan Ochsner , Manuel Tiglio
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