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The standard noise model in gravitational wave (GW) data analysis assumes detector noise is stationary and Gaussian distributed, with a known power spectral density (PSD) that is usually estimated using clean off-source data. Real GW data…

General Relativity and Quantum Cosmology · Physics 2015-09-16 Matthew C. Edwards , Renate Meyer , Nelson Christensen

The scientific objectives of the Lisa Technology Package (LTP) experiment, on board of the LISA Pathfinder mission, demand for an accurate calibration and validation of the data analysis tools in advance of the mission launch. The levels of…

General Relativity and Quantum Cosmology · Physics 2014-11-21 Luigi Ferraioli , Gerhard Heinzel , Martin Hewitson , Mauro Hueller , Anneke Monsky , Miquel Nofrarias , Stefano Vitale

Finding a stochastic gravitational-wave background (SGWB) of astrophysical or primordial origin is one of the quests of current and future gravitational-wave observatories. While detector networks such as LIGO-Virgo-Kagra or pulsar timing…

General Relativity and Quantum Cosmology · Physics 2023-07-04 Quentin Baghi , Nikolaos Karnesis , Jean-Baptiste Bayle , Marc Besançon , Henri Inchauspé

LISA (Laser Interferometer Space Antenna) is a proposed space mission, which will use coherent laser beams exchanged between three remote spacecraft to detect and study low-frequency cosmic gravitational radiation. In the low-part of its…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Jeffrey A. Edlund , Massimo Tinto , Andrzej Krolak , Gijs Nelemans

The LISA Pathfinder mission to space employs an optical metrology system (OMS) at its core to measure the distance and attitude between two freely floating test-masses to picometer and nanorad accuracy, respectively, within the measurement…

Instrumentation and Detectors · Physics 2013-08-01 Gerald Hechenblaikner , Reinhold Flatscher

LISA-Pathfinder is an ESA space mission flown between 2015 and 2017 to demonstrate a technological maturity sufficient for building a gravitational waves telescope in space, such as the Laser Interferometer Space Antenna (LISA). A pair of…

Instrumentation and Methods for Astrophysics · Physics 2021-01-21 Carlo Zanoni , Daniele Bortoluzzi

We provide a number of extensions and further interpretations of the Parameterized-Background Data-Weak (PBDW) formulation, a real-time and in-situ Data Assimilation (DA) framework for physical systems modeled by parametrized Partial…

Numerical Analysis · Mathematics 2017-12-29 Yvon Maday , Tommaso Taddei

The science operations of the LISA Pathfinder mission has demonstrated the feasibility of sub-femto-g free-fall of macroscopic test masses necessary to build a LISA-like gravitational wave observatory in space. While the main focus of…

The Laser Interferometer Space Antenna (LISA) is designed to detect a variety of gravitational-wave events, including mergers of massive black hole binaries, stellar-mass black hole inspirals, and extreme mass-ratio inspirals. LISA's…

General Relativity and Quantum Cosmology · Physics 2025-03-28 Aasim Jan , Richard O'Shaughnessy , Deirdre Shoemaker , Jacob Lange

In this paper, we present a successful implementation of a subtraction-noise projection method into a simple, simulated data analysis pipeline of a gravitational-wave search. We investigate the problem to reveal a weak stochastic background…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Jan Harms , Christoph Mahrdt , Markus Otto , Malte Priess

LISA is an upcoming ESA mission that will detect gravitational waves in space by interferometrically measuring the separation between free-falling test masses at picometer precision. To reach the desired performance, LISA will employ the…

General Relativity and Quantum Cosmology · Physics 2023-11-23 Lennart Wissel , Olaf Hartwig , Jean-Baptiste Bayle , Martin Staab , Ewan D. Fitzsimons , Martin Hewitson , Gerhard Heinzel

Due to the sheer complexity of the Laser Interferometer Space Antenna (LISA) space mission, data gaps arising from instrumental irregularities and/or scheduled maintenance are unavoidable. Focusing on merger-dominated massive black hole…

General Relativity and Quantum Cosmology · Physics 2025-03-07 Ollie Burke , Sylvain Marsat , Jonathan R. Gair , Michael L. Katz

The Laser Interferometer Space Antenna (LISA) will observe gravitational waves in a regime that differs sharply from what ground-based detectors such as LIGO handle. Instead of searching for rare signals buried in loud instrumental noise,…

General Physics · Physics 2026-04-20 Jericho Cain

The Laser Interferometer Space Antenna (LISA) will be capable of detecting gravitational waves (GWs) in the milli-Hertz band. Among various sources, LISA will detect the coalescence of supermassive black hole binaries (SMBHBs). Accurate and…

General Relativity and Quantum Cosmology · Physics 2025-02-25 Abhishek Sharma , Anand S. Sengupta , Suvodip Mukherjee

The Laser Interferometer Space Antenna will be the first Gravitational Wave observatory in space. It is scheduled to fly in the early 2030's. LISA design predicts sensitivity levels that enable the detection a Stochastic Gravitational Wave…

Instrumentation and Methods for Astrophysics · Physics 2020-12-02 Nikolaos Karnesis , Marc Lilley , Antoine Petiteau

Transient signals of instrumental and environmental origins ("glitches") in gravitational wave data elevate the false alarm rate of searches for astrophysical signals and reduce their sensitivity. Glitches that directly overlap…

General Relativity and Quantum Cosmology · Physics 2023-05-24 Soumya D. Mohanty , Mohammad A. T. Chowdhury

Ground-based observations at thermal infrared wavelengths suffer from large background radiation due to the sky, telescope and warm surfaces in the instrument. This significantly limits the sensitivity of ground-based observations at…

Instrumentation and Methods for Astrophysics · Physics 2018-03-16 Silvan Hunziker , Sascha P. Quanz , Adam Amara , Michael R. Meyer

In this study, we explore the possibility of testing the no-hair theorem with gravitational waves from massive black hole binaries in the frequency band of the Laser Interferometer Space Antenna (LISA). Based on its sensitivity, we consider…

General Relativity and Quantum Cosmology · Physics 2024-10-01 Chantal Pitte , Quentin Baghi , Marc Besançon , Antoine Petiteau