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Gravitational wave astronomy typically relies on rigorous, computationally expensive Bayesian analyses. Several methods have been developed to perform rapid Bayesian inference, but they are not yet used to inform our full analyses. We…

General Relativity and Quantum Cosmology · Physics 2026-01-30 Metha Prathaban , Charlie Hoy , Michael J. Williams

Gravitational-wave observatories around the world are searching for continuous waves: persistent signals from sources such as spinning neutron stars. These searches use sophisticated statistical techniques to look for weak signals in noisy…

The Advanced LIGO and Virgo gravitational wave observatories have opened a new window with which to study the inspiral and mergers of binary compact objects. These observations are most powerful when coordinated with multi-messenger…

General Relativity and Quantum Cosmology · Physics 2021-10-29 Zhi-Qiang You , Gregory Ashton , Xing-Jiang Zhu , Eric Thrane , Zong-Hong Zhu

When a gravitational wave encounters a massive object along the line of sight, repeated copies of the original signal may be produced due to gravitational lensing. In this paper, we develop a series of new machine-learning based statistical…

General Relativity and Quantum Cosmology · Physics 2025-09-09 Giulia Campailla , Marco Raveri , Wayne Hu , Jose María Ezquiaga

Gravitational wave astronomy is rapidly advancing with the development of new observatories, leading to an increasing volume and complexity of data. This trend places growing pressure on classical data analysis methods and motivates the…

Instrumentation and Methods for Astrophysics · Physics 2026-03-19 Fangzhou Guo , Jibo He

Glitches are transitory noise artifacts that degrade the detection sensitivity and accuracy of interferometric observatories such as LIGO and Virgo in gravitational wave astronomy. Reliable glitch subtraction techniques are essential for…

General Relativity and Quantum Cosmology · Physics 2024-06-04 Mohammad Abu Thaher Chowdhury

Within the next decade gravitational-wave (GW) observations by Advanced LIGO in the United States, Advanced Virgo and GEO HF in Europe, and possibly other ground-based instruments will provide unprecedented opportunities to look directly…

Solar and Stellar Astrophysics · Physics 2009-03-17 Benjamin J. Owen

We describe the implementation of a search for gravitational waves from compact binary coalescences in LIGO and Virgo data. This all-sky, all-time, multi-detector search for binary coalescence has been used to search data taken in recent…

Targets for ground-based gravitational wave interferometers include continuous, quasiperiodic sources of gravitational radiation, such as isolated, spinning neutron stars. In this work we perform evolution simulations of uniformly rotating,…

General Relativity and Quantum Cosmology · Physics 2017-07-05 Antonios Tsokaros , Milton Ruiz , Vasileios Paschalidis , Stuart L. Shapiro , Luca Baiotti , Kōji Uryū

The quest to observe gravitational waves challenges our ability to discriminate signals from detector noise. This issue is especially relevant for transient gravitational waves searches with a robust eyes wide open approach, the so called…

Instrumentation and Methods for Astrophysics · Physics 2017-04-19 S. Vinciguerra , M. Drago , G. A. Prodi , S. Klimenko , C. Lazzaro , V. Necula , F. Salemi , V. Tiwari , M. C. Tringali , G. Vedovato

The third-generation (3G) gravitational wave (GW) detectors such as the Einstein telescope (ET) or Cosmic Explorer (CE) are expected to play an important role in cosmology. With the help of 3G detectors, we will be able to probe large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-06 Sumit Kumar

We present an improved method of targeting continuous gravitational-wave signals in data from the LIGO and Virgo detectors with a higher efficiency than the time-domain Bayesian pipeline used in many previous searches. Our spectral…

Instrumentation and Methods for Astrophysics · Physics 2016-12-19 Gareth S. Davies , Matthew Pitkin , Graham Woan

The LIGO-Virgo-KAGRA catalog has been analyzed with an abundance of different population models due to theoretical uncertainty in the formation of gravitational-wave sources. To expedite model exploration, we introduce an efficient and…

Instrumentation and Methods for Astrophysics · Physics 2025-06-30 Matthew Mould , Noah E. Wolfe , Salvatore Vitale

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 generally, gravitational-wave astronomy. However, current…

General Relativity and Quantum Cosmology · Physics 2015-03-05 Priscilla Canizares , Scott E. Field , Jonathan Gair , Vivien Raymond , Rory Smith , Manuel Tiglio

We construct efficient banks of templates suitable for all-sky narrow-band searches of almost monochromatic gravitational waves originating from spinning neutron stars in our Galaxy in data collected by interferometric detectors. We…

General Relativity and Quantum Cosmology · Physics 2015-08-10 Andrzej Pisarski , Piotr Jaranowski

The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of gravitational wave detectors: resonant bars and…

General Relativity and Quantum Cosmology · Physics 2012-08-27 AURIGA Collaboration , LIGO Scientific Collaboration , L. Baggio et al

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 coherence across a detector network. This can be achieved even…

General Relativity and Quantum Cosmology · Physics 2018-08-30 Maximiliano Isi , Rory Smith , Salvatore Vitale , T. J. Massinger , Jonah Kanner , Avi Vajpeyi

The gravitational waves emitted by neutron stars carry unique information about their structure and composition. Direct detection of these gravitational waves, however, is a formidable technical challenge. In a recent study we quantified…

Solar and Stellar Astrophysics · Physics 2009-11-13 Anna L. Watts , Badri Krishnan

We discuss the coherent search strategy to detect gravitational waves from inspiraling compact binaries by a network of correlated laser interferometric detectors. From the maximum likelihood ratio statistic, we obtain a coherent statistic…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Hideyuki Tagoshi , Himan Mukhopadhyay , Sanjeev Dhurandhar , Norichika Sago , Hirotaka Takahashi , Nobuyuki Kanda

Searches for continuous-wave gravitational radiation in data collected by modern long-baseline interferometers, such as the Laser Interferometer Gravitational-wave Observatory (LIGO), the Virgo interferometer and the Kamioka Gravitational…

General Relativity and Quantum Cosmology · Physics 2024-10-30 Patrick Clearwater , Andrew Melatos , Surya Nepal , Matthew Bailes