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We use population synthesis modelling to predict the gravitational wave (GW) signal that the Laser Interferometer Space Antenna (LISA) will detect from the Galactic population of compact binary systems. We implement a realistic star…

High Energy Astrophysical Phenomena · Physics 2026-02-13 Jake McMillan , Adam Ingram , Cordelia Dashwood Brown , Andrei Igoshev , Matthew Middleton , Grzegorz Wiktorowicz , Simone Scaringi

The detection of a stochastic background of gravitational waves could significantly impact our understanding of the physical processes that shaped the early Universe. The challenge lies in separating the cosmological signal from other…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Matthew R. Adams , Neil J. Cornish

Massive black hole binaries are expected to provide the strongest gravitational wave signals for the Laser Interferometer Space Antenna (LISA), a space mission targeting $\sim\,$mHz frequencies. As a result of the technological challenges…

General Relativity and Quantum Cosmology · Physics 2021-08-18 Kallol Dey , Nikolaos Karnesis , Alexandre Toubiana , Enrico Barausse , Natalia Korsakova , Quentin Baghi , Soumen Basak

Laser Interferometer Space Antenna (LISA) will routinely observe coalescences of supermassive black hole (BH) binaries up to very high redshifts. LISA can measure mass parameters of such coalescences to a relative accuracy of…

General Relativity and Quantum Cosmology · Physics 2009-11-11 K G Arun

Recently it was shown that the inclusion of higher signal harmonics in the inspiral signals of binary supermassive black holes (SMBH) leads to dramatic improvements in parameter estimation with the Laser Interferometer Space Antenna (LISA).…

General Relativity and Quantum Cosmology · Physics 2010-04-15 K G Arun , Chandra Kant Mishra , Chris Van Den Broeck , B R Iyer , B S Sathyaprakash , Siddhartha Sinha

Response of an interferometer becomes complicated for gravitational wave shorter than the arm-length of the detector, as nature of wave appears strongly. We have studied how parameter estimation for merging massive black hole binaries are…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Naoki Seto

We explore the eccentricity measurement threshold of LISA for gravitational waves radiated by massive black hole binaries (MBHBs) with redshifted BH masses $M_z$ in the range $10^{4.5}$-$10^{7.5}~{\rm M}_\odot$ at redshift $z=1$. The…

Astrophysics of Galaxies · Physics 2025-01-16 Mudit Garg , Shubhanshu Tiwari , Andrea Derdzinski , John G. Baker , Sylvain Marsat , Lucio Mayer

We propose that stellar-mass binary black holes like GW150914 will become a tool to explore the local Universe within ~100Mpc in the era of the Laser Interferometer Space Antenna (LISA). High calibration accuracy and annual motion of LISA…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-03 Koutarou Kyutoku , Naoki Seto

We describe several new techniques which accelerate Bayesian searches for continuous gravitational-wave emission from supermassive black-hole binaries using pulsar timing arrays. These techniques mitigate the problematic increase of…

General Relativity and Quantum Cosmology · Physics 2014-11-25 Stephen Taylor , Justin Ellis , Jonathan Gair

Massive black hole binaries are key targets for the space based gravitational wave interferometer LISA. Several studies have investigated how LISA observations could be used to constrain the parameters of these systems. Until recently, most…

General Relativity and Quantum Cosmology · Physics 2009-02-20 Edward K. Porter , Neil J. Cornish

Massive black hole binaries are the primary source of gravitational waves (GW) for the future eLISA observatory. The detection and parameter estimation of these sources to high redshift would provide invaluable information on the formation…

General Relativity and Quantum Cosmology · Physics 2015-05-27 Edward K. Porter , Neil J. Cornish

The Laser Interferometric Space Antenna (LISA) will observe supermassive black hole binary mergers with amplitude signal-to-noise ratio of several thousands. We investigate the extent to which such observations afford high-precision tests…

General Relativity and Quantum Cosmology · Physics 2010-11-05 K. G. Arun , B. R. Iyer , M. S. S. Qusailah , B. S. Sathyaprakash

Finding and characterizing gravitational waves from individual supermassive black hole binaries is a central goal of pulsar timing array experiments, which will require analysis methods that can be efficient on our rapidly growing datasets.…

General Relativity and Quantum Cosmology · Physics 2024-10-28 Bence Bécsy

The launch of space based gravitational wave (GW) detectors (e.g. Laser Interferometry Space Antenna; LISA) and current and upcoming Pulsar Timing Arrays (PTAs) will extend the GW window to low frequencies, opening new investigations into…

High Energy Astrophysical Phenomena · Physics 2022-04-20 Samuel Banks , Katharine Lee , Nazanin Azimi , Kendall Scarborough , Nikolai Stefanov , Indra Periwal , Colin DeGraf , Tiziana Di Matteo

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

This paper analyses the impact of various parameter changes on the estimation of parameters for massive black hole binary (MBHB) systems using a Bayesian inference technique. Several designed MBHB systems were chosen for comparison with a…

Astrophysics of Galaxies · Physics 2024-01-24 Jie Gao , Yi-Ming Hu , En-Kun Li , Jian-dong Zhang , Jianwei Mei

Gravitational waves from the inspiral and coalescence of supermassive black-hole (SMBH) binaries with masses ~10^6 Msun are likely to be among the strongest sources for the Laser Interferometer Space Antenna (LISA). We describe a…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Duncan A. Brown , Jeff Crowder , Curt Cutler , Ilya Mandel , Michele Vallisneri

Gravitational wave (GW) astronomy has revolutionized our capacity to explore nature. The next generation of observatories, among which the space-borne detector Laser Interferometer Space Antenna LISA, is expected to yield orders of…

General Relativity and Quantum Cosmology · Physics 2024-12-06 Henri Inchauspé , Silvia Gasparotto , Diego Blas , Lavinia Heisenberg , Jann Zosso , Shubhanshu Tiwari

We calculate how accurately parameters of the short-period binaries $(10^{-4} {Hz} \lsim f\lsim 10^{-2} {Hz})$ will be determined from the gravitational waves by LISA. In our analysis the chirp signal ${\dot f}$ is newly included as a…

Astrophysics · Physics 2009-11-07 Ryuichi Takahashi , Naoki Seto

In this Letter we show that multiband observations of stellar-mass binary black holes by the next generation of ground-based observatories (3G) and the space-based Laser Interferometer Space Antenna (LISA) would facilitate a comprehensive…

General Relativity and Quantum Cosmology · Physics 2020-11-12 Anuradha Gupta , Sayantani Datta , Shilpa Kastha , Ssohrab Borhanian , K. G. Arun , B. S. Sathyaprakash
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