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The gravitational wave signal of binary compact objects has two main contributions at frequencies below the characteristic merger frequency: the gravitational wave signal associated with the early inspiral stage of the binary and the…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-09 Silvia Gasparotto , Gabriele Franciolini , Valerie Domcke

We investigate a novel approach to measuring the Hubble constant using gravitational-wave (GW) signals from compact binaries by exploiting the narrowness of the distribution of masses of the underlying neutron-star population.…

General Relativity and Quantum Cosmology · Physics 2012-01-31 Stephen R. Taylor , Jonathan R. Gair , Ilya Mandel

Space-borne gravitational wave detectors, such as the proposed Laser Interferometer Space Antenna, are expected to observe black hole coalescences to high redshift and with large signal-to-noise ratios, rendering their gravitational waves…

General Relativity and Quantum Cosmology · Physics 2010-04-29 Nicolas Yunes , Frans Pretorius , David Spergel

The first observations by a worldwide network of advanced interferometric gravitational wave detectors offer a unique opportunity for the astronomical community. At design sensitivity, these facilities will be able to detect coalescing…

The stochastic gravitational-wave backgrounds (SGWBs) for current detectors are dominated by binary black-hole (BBH) and binary neutron-star (BNS) coalescences. The sensitivity of current networks of gravitational-wave (GW) detectors allows…

General Relativity and Quantum Cosmology · Physics 2022-09-07 Bei Zhou , Luca Reali , Emanuele Berti , Mesut Çalışkan , Cyril Creque-Sarbinowski , Marc Kamionkowski , B. S. Sathyaprakash

Gravitational-wave detectors can search for yet-undiscovered ultralight bosons, including those conjectured to solve problems in particle physics, high-energy theory and cosmology. Ground-based instruments could probe boson masses between…

General Relativity and Quantum Cosmology · Physics 2019-05-07 Maximiliano Isi , Ling Sun , Richard Brito , Andrew Melatos

Globular clusters are considered to be likely breeding grounds for compact binary mergers. In this paper, we demonstrate how the gravitational-wave signals produced by compact object mergers can act as tracers of globular cluster formation…

High Energy Astrophysical Phenomena · Physics 2021-07-14 Isobel M. Romero-Shaw , Kyle Kremer , Paul D. Lasky , Eric Thrane , Johan Samsing

A population of primordial black holes formed in the early Universe could contribute to at least a fraction of the black-hole merger events detectable by current and future gravitational-wave interferometers. With the ever-increasing number…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-23 Gabriele Franciolini , Roberto Cotesta , Nicholas Loutrel , Emanuele Berti , Paolo Pani , Antonio Riotto

Important scientific discoveries should be backed by high statistical significance. In the 2030s, multiple space-based gravitational wave detectors are expected to operate. While many works aim to achieve quick and reliable detection and…

General Relativity and Quantum Cosmology · Physics 2026-03-03 Hong-Yu Chen , En-Kun Li , Yi-Ming Hu

Detection of gravitational waves produced by merger of binary compact objects could provide an independent way for measuring the luminosity distance to the gravitational-wave burst source, indicating that gravitational-wave observation,…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-15 Xuan-Neng Zhang , Ling-Feng Wang , Jing-Fei Zhang , Xin Zhang

Precision cosmology is crucial to understand the different energy components in the Universe and their evolution through cosmic time. Gravitational wave sources are standard sirens that can accurately map out distances in the Universe.…

General Relativity and Quantum Cosmology · Physics 2022-12-27 Arnab Dhani , Ssohrab Borhanian , Anuradha Gupta , Bangalore Sathyaprakash

Once a gravitational wave signal is detected, the measurement of its source parameters is important to achieve various scientific goals. This is done through Bayesian inference, where the analysis cost increases with the model complexity…

General Relativity and Quantum Cosmology · Physics 2023-08-29 Harsh Narola , Justin Janquart , Quirijn Meijer , K. Haris , Chris Van Den Broeck

The most promising source of gravitational waves for the planned detectors LIGO and VIRGO are merging compact binaries, i.e., neutron star/neutron star (NS/NS), neutron star/black hole (NS/BH), and black hole/black-hole (BH/BH) binaries. We…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Curt Cutler , Eanna Flanagan

In the coming years, third-generation detectors such as Einstein Telescope and Cosmic Explorer will enter the network of ground-based gravitational-wave detectors. Their current design predicts a significantly improved sensitivity band with…

General Relativity and Quantum Cosmology · Physics 2024-06-21 Justin Janquart , Tomasz Baka , Anuradha Samajdar , Tim Dietrich , Chris Van Den Broeck

We study the prospects of future gravitational wave (GW) detectors in probing primordial black hole (PBH) binaries. We show that across a broad mass range from $10^{-5}M_\odot$ to $10^7M_\odot$, future GW interferometers provide a potential…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-14 Oriol Pujolas , Ville Vaskonen , Hardi Veermäe

Gravitational waves from precessing binary black holes exhibit new features that are absent in non-precessionary systems. All current waveform models take into account only the modulation of the signal due to precession. In this letter, we…

General Relativity and Quantum Cosmology · Physics 2022-12-22 Cheng Zhang , Wen-Biao Han , Shu-Cheng Yang

The Gravitational Wave (GW) universe contains a wealth of sources which, with the proper treatment, will open up the universe as never before. By observing massive black hole binaries to high redshifts, we should begin to explore the…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Edward K. Porter

Black-holes are known to span at least 9 orders of magnitude in mass: from the stellar-mass objects observed by the Laser Interferometer Gravitational-Wave Observatory Scientific Collaboration and Virgo Collaboration, to supermassive…

General Relativity and Quantum Cosmology · Physics 2021-02-03 Andrew R. Kaiser , Sean T. McWilliams

Being able to measure each merger's sky location, distance, component masses, and conceivably spins, ground-based gravitational-wave detectors will provide a extensive and detailed sample of coalescing compact binaries (CCBs) in the local…

Cosmology and Nongalactic Astrophysics · Physics 2013-11-13 R. O'Shaughnessy

Unlike traditional electromagnetic measurements, gravitational-wave observations are not affected by crowding and extinction. For this reason, compact object binaries orbiting around a massive black hole can be used as probes of the inner…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Kaze W. K. Wong , Vishal Baibhav , Emanuele Berti