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The data taken by the advanced LIGO and Virgo gravitational-wave detectors contains short duration noise transients that limit the significance of astrophysical detections and reduce the duty cycle of the instruments. As the advanced…

Instrumentation and Methods for Astrophysics · Physics 2017-01-25 Jade Powell , Alejandro Torres-Forné , Ryan Lynch , Daniele Trifirò , Elena Cuoco , Marco Cavaglià , Ik Siong Heng , José A. Font

The recent advances in Gravitational-wave astronomy have greatly accelerated the study of Multimessenger astrophysics. There is a need for the development of fast and efficient algorithms to detect non-astrophysical transients and noises…

Signal Processing · Electrical Eng. & Systems 2020-09-28 Rahul Nigam , Amit Mishra , Pranath Reddy

The detection of gravitational waves has inaugurated the era of gravitational astronomy and opened new avenues for the multimessenger study of cosmic sources. Thanks to their sensitivity, the Advanced LIGO and Advanced Virgo interferometers…

General Relativity and Quantum Cosmology · Physics 2018-04-05 Massimiliano Razzano , Elena Cuoco

Noise of non-astrophysical origin will contaminate science data taken by the Advanced Laser Interferometer Gravitational-wave Observatory (aLIGO) and Advanced Virgo gravitational-wave detectors. Prompt characterization of instrumental and…

Instrumentation and Methods for Astrophysics · Physics 2015-10-21 Jade Powell , Daniele Trifiro , Elena Cuoco , Ik Siong Heng , Marco Cavaglia

Quality improvement of interferometric data collected by gravitational-wave detectors such as Advanced LIGO and Virgo is mission critical for the success of gravitational-wave astrophysics. Gravitational-wave detectors are sensitive to a…

Data Analysis, Statistics and Probability · Physics 2018-12-14 Marco Cavaglia , Kai Staats , Teerth Gill

The detection of gravitational waves with LIGO and Virgo requires a detailed understanding of the response of these instruments in the presence of environmental and instrumental noise. Of particular interest is the study of anomalous…

Instrumentation and Methods for Astrophysics · Physics 2018-05-30 Daniel George , Hongyu Shen , E. A. Huerta

The exquisite sensitivity of the advanced LIGO detectors has enabled the detection of multiple gravitational wave signals. The sophisticated design of these detectors mitigates the effect of most types of noise. However, advanced LIGO data…

General Relativity and Quantum Cosmology · Physics 2018-07-15 Daniel George , Hongyu Shen , E. A. Huerta

We investigate the use of Convolutional Neural Networks (including the modern ConvNeXt network family) to classify transient noise signals (i.e.~glitches) and gravitational waves in data from the Advanced LIGO detectors. First, we use…

General Relativity and Quantum Cosmology · Physics 2023-08-28 Tiago S. Fernandes , Samuel J. Vieira , Antonio Onofre , Juan Calderón Bustillo , Alejandro Torres-Forné , José A. Font

Gravitational wave bursts are transient signals distinct from compact binary mergers that arise from a wide variety of astrophysical phenomena. Because most of these phenomena are poorly modeled, the use of traditional search methods such…

General Relativity and Quantum Cosmology · Physics 2023-01-18 Vincent Boudart

Transient noise (glitches) in LIGO data hinders the detection of gravitational waves (GW). The Gravity Spy project has categorized these noise events into various classes. With the O3 run, there is the inclusion of two additional noise…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Divyansh Srivastava , Andrzej Niedzielski

Data quality assessment plays an essential role in the quest to detect gravitational wave signals in data from the LIGO and Virgo interferometric gravitational wave detectors. Interferometer data contains a high rate of noise transients…

General Relativity and Quantum Cosmology · Physics 2019-08-15 Jessica McIver

We present a new method to search for long transient gravitational waves signals, like those expected from fast spinning newborn magnetars, in interferometric detector data. Standard search techniques are computationally unfeasible (matched…

Interferometric gravitational-wave detectors like LIGO, GEO600 and Virgo record a surplus of information above and beyond possible gravitational-wave events. These auxiliary channels capture information about the state of the detector and…

Instrumentation and Methods for Astrophysics · Physics 2014-07-29 Reed Essick , Lindy Blackburn , Erik Katsavounidis

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

We investigate the class of quadratic detectors (i.e., the statistic is a bilinear function of the data) for the detection of poorly modeled gravitational transients of short duration. We point out that all such detection methods are…

General Relativity and Quantum Cosmology · Physics 2009-11-07 E. Chassande-Mottin

Advanced LIGO data contains numerous noise transients, or "glitches", that have been shown to reduce the sensitivity of matched filter searches for gravitational waves from compact binaries by increasing the rate at which random…

General Relativity and Quantum Cosmology · Physics 2020-08-26 Derek Davis , Laurel V. White , Peter R. Saulson

Data streams of gravitational-wave detectors are polluted by transient noise features, or "glitches", of instrumental and environmental origin. In this work, we investigate the use of total-variation methods and learned dictionaries to…

General Relativity and Quantum Cosmology · Physics 2020-07-15 Alejandro Torres-Forné , Elena Cuoco , José A. Font , Antonio Marquina

We present a new method for the classification of transient noise signals (or glitches) in advanced gravitational-wave interferometers. The method uses learned dictionaries (a supervised machine learning algorithm) for signal denoising, and…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Miquel Llorens-Monteagudo , Alejandro Torres-Forné , José A. Font , Antonio Marquina

The LIGO observatories detect gravitational waves through monitoring changes in the detectors' length down to below $10^{-19}$\,$m/\sqrt{Hz}$ variation---a small fraction of the size of the atoms that make up the detector. To achieve this…

Instrumentation and Methods for Astrophysics · Physics 2020-05-27 Robert E. Colgan , K. Rainer Corley , Yenson Lau , Imre Bartos , John N. Wright , Zsuzsa Marka , Szabolcs Marka

We demonstrate unprecedented accuracy for rapid gravitational-wave parameter estimation with deep learning. Using neural networks as surrogates for Bayesian posterior distributions, we analyze eight gravitational-wave events from the first…

General Relativity and Quantum Cosmology · Physics 2023-05-31 Maximilian Dax , Stephen R. Green , Jonathan Gair , Jakob H. Macke , Alessandra Buonanno , Bernhard Schölkopf
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