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By listening to gravity in the low frequency band, between 0.1 mHz and 1 Hz, the future space-based gravitational-wave observatory LISA will be able to detect tens of thousands of astrophysical sources from cosmic dawn to the present. The…

General Relativity and Quantum Cosmology · Physics 2019-07-24 Quentin Baghi , Ira Thorpe , Jacob Slutsky , John Baker , Tito Dal Canton , Natalia Korsakova , Nikos Karnesis

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

"Blip glitches" are a type of short duration transient noise in LIGO data. The cause for the majority of these is currently unknown. Short duration transient noise creates challenges for searches of the highest mass binary black hole…

General Relativity and Quantum Cosmology · Physics 2018-05-29 Alexander Harvey Nitz

We present a new ${\it{gating}}$ method to remove non-Gaussian noise transients in gravitational wave data. The method does not rely on any a-priori knowledge on the amplitude or duration of the transient events. In light of the character…

General Relativity and Quantum Cosmology · Physics 2022-02-02 Benjamin Steltner , Maria Alessandra Papa , Heinz-Bernd Eggenstein

Despite achieving sensitivities capable of detecting the extremely small amplitude of gravitational waves (GWs), LIGO and Virgo detector data contain frequent bursts of non-Gaussian transient noise, commonly known as 'glitches'. Glitches…

General Relativity and Quantum Cosmology · Physics 2023-04-21 Sofia Alvarez-Lopez , Annudesh Liyanage , Julian Ding , Raymond Ng , Jess McIver

The first successful detection of gravitational waves by ground-based observatories, such as the Laser Interferometer Gravitational-Wave Observatory (LIGO), marked a breakthrough in our comprehension of the Universe. However, due to the…

Spinning neutron stars, when observed as pulsars, are seen to undergo occasional spin-up events known as glitches. Despite several decades of study, the physical mechanisms responsible for glitches are still not well understood, but…

High Energy Astrophysical Phenomena · Physics 2024-01-09 Brynmor Haskell , David Ian Jones

The Advanced LIGO and Advanced Virgo detectors have enabled the confident detection of dozens of mergers of black holes and neutron stars. However, the presence of detector noise transients (glitches) hinders the search for these…

General Relativity and Quantum Cosmology · Physics 2024-02-06 Seraphim Jarov , Sarah Thiele , Siddharth Soni , Julian Ding , Jess McIver , Raymond Ng , Rikako Hatoya , Derek Davis

Instrumental and environmental transient noise bursts in gravitational-wave detectors, or glitches, may impair astrophysical observations by adversely affecting the sky localization and the parameter estimation of gravitational-wave…

General Relativity and Quantum Cosmology · Physics 2021-01-14 Kentaro Mogushi , Ryan Quitzow-James , Marco Cavaglià , Sumeet Kulkarni , Fergus Hayes

The observation of transient gravitational waves is hindered by the presence of transient noise, colloquially referred to as glitches. These glitches can often be misidentified as gravitational waves by searches for unmodeled transients…

General Relativity and Quantum Cosmology · Physics 2023-05-16 Siddharth Soni , Ethan Marx , Erik Katsavounidis , Reed Essick , G. S. Cabourn Davies , Patrick Brockill , Michael W. Coughlin , Shaon Ghosh , Patrick Godwin

Detection of a gravitational-wave stochastic background via ground or space-based gravitational-wave detectors requires the cross-correlation of the response of two or more independent detectors. The cross-correlation involves a…

General Relativity and Quantum Cosmology · Physics 2009-11-06 Lee Samuel Finn , Shane L. Larson , Joseph D. Romano

(abridged for arXiv) With the first direct detection of gravitational waves, the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) has initiated a new field of astronomy by providing an alternate means of sensing the…

With the advent of gravitational wave astronomy, techniques to extend the reach of gravitational wave detectors are desired. In addition to the stellar-mass black hole and neutron star mergers already detected, many more are below the…

Instrumentation and Methods for Astrophysics · Physics 2020-07-22 Rich Ormiston , Tri Nguyen , Michael Coughlin , Rana X. Adhikari , Erik Katsavounidis

Unphysical templates for inspiral binary merger signals have emerged as an effective way to veto signals (rule out false positives) identified as glitches. These templates help reduce the parameters needed to distinguish glitches from real…

General Relativity and Quantum Cosmology · Physics 2024-10-29 N. Arutkeerthi , Xiyuan Li , SR Valluri

Observations of gravitational waves (GWs) from compact binary coalescences provide powerful tests of general relativity (GR), but systematic errors in data analysis could lead to incorrect scientific conclusions. This issue is especially…

General Relativity and Quantum Cosmology · Physics 2023-03-16 Qian Hu , John Veitch

We investigate the potential of neural-network based classifiers for discriminating gravitational wave bursts (GWBs) of a given canonical family (e.g. core-collapse supernova waveforms) from typical transient instrumental artifacts…

Instrumentation and Methods for Astrophysics · Physics 2014-01-24 Salvatore Rampone , Vincenzo Pierro , Luigi Troiano , Innocenzo M. Pinto

Context. A small number of pulsar glitches have been identified as anti-glitches or spin-down glitches, where the overall contribution to the pulsar's rotation frequency is negative. A notable example of a spin-down glitch was observed in…

High Energy Astrophysical Phenomena · Physics 2025-06-03 A. G. Panin , E. V. Sokolova

Gravitational wave astronomy is established with direct observation of gravitational wave from merging binary black holes and binary neutron stars during the first and second observing run of LIGO and Virgo detectors. The gravitational-wave…

General Relativity and Quantum Cosmology · Physics 2019-12-24 V. Gayathri , P. Bacon , A. Pai , E. Chassande-Mottin , F. Salemi , G. Vedovato

A vitally important requirement for detecting gravitational wave (GW) signals from compact coalescing binaries (CBC) with high significance is the reduction of the false-alarm rate of the matched-filter statistic. The data from GW detectors…

General Relativity and Quantum Cosmology · Physics 2021-02-24 Prasanna Joshi , Rahul Dhurkunde , Sanjeev Dhurandhar , Sukanta Bose

In the next decade gravitational waves might be detected using a pulsar timing array. In an effort to develop optimal detection strategies for stochastic backgrounds of gravitational waves in generic metric theories of gravity, we…

High Energy Astrophysical Phenomena · Physics 2013-05-30 Sydney J. Chamberlin , Xavier Siemens
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