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Coalescing compact binary systems consisting of neutron stars and/or black holes should be detectable with upcoming advanced gravitational-wave detectors such as LIGO, Virgo, GEO and {KAGRA}. Gravitational-wave experiments to date have been…

General Relativity and Quantum Cosmology · Physics 2013-08-09 Kipp Cannon , Chad Hanna , Drew Keppel

Analyzing the records of Advanced LIGO and Virgo gravitational observatories, we found a permanent time-domain asymmetry inherent only to the signals of their gravitational detectors. Experiments with different periodic signals, Gaussian…

General Relativity and Quantum Cosmology · Physics 2022-12-14 Alexander V. Kramarenko , Andrey V. Kramarenko

Although there have now been hundreds of transient gravitational-wave detections of merging compact stars by the LIGO-Virgo-KAGRA (LVK) detector network, no continuous-wave (CW) signals have yet been discovered. To ensure that such signals,…

Instrumentation and Methods for Astrophysics · Physics 2026-01-16 Preet Baxi , Jessica Leviton , Eilam Morag , Matthew Pitkin , Keith Riles

After a short review of prominent properties of gravitational waves and the newly born gravitational astronomy, we focus on theoretical aspects. Analytic approximation methods in general relativity have played a crucial role in the recent…

General Relativity and Quantum Cosmology · Physics 2020-01-08 Luc Blanchet

One source of noise for the Laser Interferometer Space Antenna (LISA) will be time-varying changes of the space environment in the form of solar wind particles and photon pressure from fluctuating solar irradiance. The approximate magnitude…

Instrumentation and Methods for Astrophysics · Physics 2020-07-07 Barrett M. Frank , Brandon Piotrzkowski , Brett Bolen , Marco Cavaglià , Shane L. Larson

Gravitational wave detectors such as KAGRA, a 3-km long underground laser interferometer in Japan, require elaborate passive and active seismic isolation of their mirrors. With the aim of detecting passing gravitational waves that create a…

Instrumentation and Detectors · Physics 2025-06-18 Terrence Tsang , Fabián Erasmo Peña Arellano , Takafumi Ushiba , Ryutaro Takahashi , Yoichi Aso , Katherine Dooley

Technical and environmental noise in ground-based laser interferometers designed for gravitational-wave observations like Advanced LIGO, Advanced Virgo and KAGRA, can manifest as narrow (<1Hz) or broadband ($10'$s or even $100'$s of Hz)…

General Relativity and Quantum Cosmology · Physics 2025-09-17 Christina Reissel , Siddharth Soni , Muhammed Saleem , Michael Coughlin , Philip Harris , Erik Katsavounidis

The LIGO-Virgo-KAGRA (LVK) network of gravitational-wave (GW) detectors have observed many tens of compact binary mergers to date. Transient, non-Gaussian noise excursions, known as "glitches", can impact signal detection in various ways.…

General Relativity and Quantum Cosmology · Physics 2023-06-27 Neev Shah , Alan M. Knee , Jess McIver , David Stenning

Onboard electrostatic suspension inertial sensors are important applications for gravity satellites and space gravitational wave detection missions, and it is important to suppress noise in the measurement signal. Due to the complex…

Geophysics · Physics 2023-05-12 Zhilan Yang , Haoyue Zhang , Peng Xu , Ziren Luo

Space-borne gravitational wave detections raise new questions for heliophysics: how the Sun-Terrestrial space environment affect gravitational wave detection, and to what extent? Space-borne gravitational wave detectors use laser…

Solar and Stellar Astrophysics · Physics 2025-09-23 Wei Su

Accurately estimating the statistical properties of noise is important in data analysis for space-based gravitational wave detectors. Noise in different time-delay interferometry channels correlates with each other. Many studies often…

Instrumentation and Methods for Astrophysics · Physics 2025-06-18 Ya-Nan Li , Yi-Ming Hu , En-Kun Li

Upgrades to improve the sensitivity of gravitational wave detectors enable more frequent detections and more precise source parameter estimation. Unlike other advanced interferometric detectors such as Advanced LIGO and Advanced Virgo,…

We assess total-variation methods to denoise gravitational-wave signals in real noise conditions, by injecting numerical-relativity waveforms from core-collapse supernovae and binary black hole mergers in data from the first observing run…

Solar and Stellar Astrophysics · Physics 2018-10-17 Alejandro Torres-Forné , Elena Cuoco , Antonio Marquina , José A. Font , José M. Ibáñez

LIGO and Virgo recently completed searches for gravitational waves at their initial target sensitivities, and soon Advanced LIGO and Advanced Virgo will commence observations with even better capabilities. In the search for short duration…

General Relativity and Quantum Cosmology · Physics 2014-06-11 Parameswaran Ajith , Tomoki Isogai , Nelson Christensen , Rana Adhikari , Aaron B. Pearlman , Alex Wein , Alan J. Weinstein , Ben Yuan

A first detection of terrestrial gravity noise in gravitational-wave detectors is a formidable challenge. With the help of environmental sensors, it can in principle be achieved before the noise becomes dominant by estimating correlations…

General Relativity and Quantum Cosmology · Physics 2020-05-13 Jan Harms , Edgard Bonilla , Michael Coughlin , Jenne Driggers , Sheila Dwyer , David McManus , Michael Ross , Bram Slagmolen , Krishna Venkateswara

Experiments aimed at searching for gravitational waves from astrophysical sources have been under development for the last 40 years, but only now are sensitivities reaching the level where there is a real possibility of detections being…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Jim Hough , Sheila Rowan , B. S. Sathyaprakash

I investigate the sensitivity of gravitational-wave searches by analyzing the response of matched filters in stationary Gaussian noise. In particular, I focus on the ability to analytically model the distribution of observed filter…

General Relativity and Quantum Cosmology · Physics 2023-07-07 Reed Essick

Coating thermal noise is a fundamental limit for precision experiments based on optical and quantum transducers. In this review, after a brief overview of the techniques for coating thermal noise measurements, we present the latest…

Gravitational wave memory effects arise from non-oscillatory components of gravitational wave signals, and they are predictions of general relativity in the nonlinear regime that have close connections to the asymptotic properties of…

General Relativity and Quantum Cosmology · Physics 2024-04-30 Alexander M. Grant , David A. Nichols

As of this moment, fifty gravitational waves (GW) detections have been announced, thanks to the observational efforts of the LIGO-Virgo Collaboration, working with the Advanced LIGO and the Advanced Virgo interferometers. The detection of…

Instrumentation and Methods for Astrophysics · Physics 2021-12-30 Filip Morawski , Michał Bejger , Elena Cuoco , Luigia Petre