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The global network of interferometric gravitational wave (GW) observatories (LIGO, Virgo, KAGRA) has detected and characterized nearly 100 mergers of binary compact objects. However, many more real GWs are lurking sub-threshold, which need…

High Energy Astrophysical Phenomena · Physics 2023-06-28 Jack Heinzel , Colm Talbot , Gregory Ashton , Salvatore Vitale

Massive black holes (MBHs) are crucial in shaping their host galaxies. How the MBH co-evolves with its host galaxy is a pressing problem in astrophysics and cosmology. The valuable information carried by the binary MBH is encoded in the…

High Energy Astrophysical Phenomena · Physics 2023-10-04 Yi Gong , Zhoujian Cao , Junjie Zhao , Lijing Shao

We characterize the expected statistical errors with which the parameters of black-hole binaries can be measured from gravitational-wave (GW) observations of their inspiral, merger and ringdown by a network of second-generation ground-based…

General Relativity and Quantum Cosmology · Physics 2016-12-07 Archisman Ghosh , Walter Del Pozzo , Parameswaran Ajith

Measurements of cosmological parameters via the distance-redshift relation usually rely on models that assume a homogenous universe. It is commonly presumed that the large-scale structure evident in our Universe has a negligible impact on…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-28 Radoslaw Wojtak , Tamara M. Davis , Jophiel Wiis

Gravitational waves (GWs) are regarded as standard sirens for Cosmology. GWs from compact binary coalescence (CBC) can directly determine the luminosity distance but usually can not obtain information about the redshift. However, if the…

General Relativity and Quantum Cosmology · Physics 2024-12-23 Ye Jiang , Wen-Biao Han

Third-generation gravitational wave detectors, such as the Einstein Telescope and Cosmic Explorer, will detect a bunch of gravitational-wave (GW) signals originating from the coalescence of binary neutron star (BNS) and binary black hole…

General Relativity and Quantum Cosmology · Physics 2021-08-18 Yoshiaki Himemoto , Atsushi Nishizawa , Atsushi Taruya

The improvements in the sensitivity of the gravitational wave (GW) network enable the detection of several large redshift GW sources by third-generation GW detectors. These advancements provide an independent method to probe the large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-02 Xiaoyun Shao , Zhoujian Cao , Xilong Fan , Shichao Wu

Massive black hole binaries (MBHBs) produce gravitational waves (GWs) that are detectable with pulsar timing arrays. We determine the properties of the host galaxies of simulated MBHBs at the time they are producing detectable GW signals.…

Astrophysics of Galaxies · Physics 2025-01-28 Katharine Cella , Stephen R. Taylor , Luke Zoltan Kelley

Compact Galactic binaries where at least one member is a white dwarf or neutron star constitute the majority of individually detectable sources for future low-frequency space-based gravitational-wave (GW) observatories; they also form an…

Astrophysics of Galaxies · Physics 2015-06-03 Samaya Nissanke , Michele Vallisneri , Gijs Nelemans , Thomas A. Prince

A new measurement of the Hubble constant $H_0$ is presented using the statistical dark siren method applied to a sample of seven well-localized gravitational-wave (GW) events from the fourth LIGO-Virgo-KAGRA (LVK) observing run and ten…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-23 V. Alfradique , C. R. Bom , G. Teixeira , A. Santos

We explore the localization of compact binary coalescences with ground-based gravitational-wave detector networks. We simulate tens of thousands of binary events, and present the distributions of localization sky areas and localization…

High Energy Astrophysical Phenomena · Physics 2016-12-06 Hsin-Yu Chen , Daniel E. Holz

Third generation gravitational-wave (GW) detectors are expected to detect a large number of binary black holes (BBHs) to large redshifts, opening up an independent probe of the large scale structure using their clustering. This probe will…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-14 Aditya Vijaykumar , M. V. S. Saketh , Sumit Kumar , Parameswaran Ajith , Tirthankar Roy Choudhury

With the growing number of gravitational-wave detections and the advent of large galaxy redshift surveys, a new era in cosmology is unfolding. This study explores the synergies between gravitational waves and galaxy surveys to jointly…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-02 Nicola Borghi , Michele Mancarella , Michele Moresco , Matteo Tagliazucchi , Francesco Iacovelli , Andrea Cimatti , Michele Maggiore

We study the angular power spectrum of gravitational-wave and galaxy catalogs in tomographic redshift and distance bins as a probe of late-time cosmology, focusing specifically on next-generation ground-based interferometers in combination…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-15 Alessandro Pedrotti , Michele Mancarella , Julien Bel , Davide Gerosa

Knowledge of the shape of the mass spectrum of compact objects can be used to help break the degeneracy between the mass and redshift of the gravitational wave (GW) sources, and thus can be used to infer cosmological parameters in the…

General Relativity and Quantum Cosmology · Physics 2021-09-29 S. Mastrogiovanni , K. Leyde , C. Karathanasis , E. Chassande-Mottin , D. A. Steer , J. Gair , A. Ghosh , R. Gray , S. Mukherjee , S. Rinaldi

Gravitational waves (GWs) with electromagnetic counterparts (EMc) offer a novel approach to measure the Hubble constant ($H_0$), known as bright sirens, enabling $H_0$ measurements by combining GW-derived distances with EM-derived…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-08 Yejing Zhan , David Izquierdo-Villalba , Xiao Guo , Qing Yang , Daniele Spinoso , Fa-Yin Wang

Standard siren cosmology of gravitational wave (GW) merger events relies on the identification of host galaxies and their redshifts. But this can be highly challenging due to numerous candidates of galaxies in the GW localization area. We…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-15 Hai Yu , Pengjie Zhang , Fa-Yin Wang

Gravitational waves (GWs) from compact binary stars at cosmological distances are promising and powerful cosmological probes, referred to as the GW standard sirens. With future GW detectors, we will be able to precisely measure source…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-30 Toshiya Namikawa , Atsushi Nishizawa , Atsushi Taruya

The angular, harmonic cross-correlation between gravitational wave (GW) events and galaxy catalogues contains rich information on the large-scale structure and the origin of compact binary mergers. In this work, we study how uncertainties…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-17 Kabir Chakravarti , Federico R. Urban

Identifying the host galaxy of a binary black hole (BBH) merger detected via gravitational waves (GWs) remains a challenge due to the absence of electromagnetic counterparts and the large localization volumes produced by current-generation…

High Energy Astrophysical Phenomena · Physics 2026-02-10 Sumedha Biswas , Andrew Levan , Peter G. Jonker , Kendall Ackley , Gregory Ashton , Nikhil Sarin