English
Related papers

Related papers: A Parameter-Free Tour of the Binary Black Hole Pop…

200 papers

The mass distribution of merging binary black holes is generically predicted to evolve with redshift, reflecting systematic changes in their astrophysical environment, stellar progenitors, and/or dominant formation channels over cosmic…

High Energy Astrophysical Phenomena · Physics 2025-06-04 Max Lalleman , Kevin Turbang , Thomas Callister , Nick van Remortel

Gravitational waves from compact binary mergers provide a direct measurement of luminosity distance, which, in combination with redshift information, serves as a cosmological probe. In order to statistically infer merger redshifts, the…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-18 Hui Tong , Maya Fishbach , Eric Thrane

We explore the ability of gravitational-wave detectors to extract the redshift distribution of binary black hole (BBH) mergers. The evolution of the merger rate across redshifts $0 < z \lesssim 1$ is directly tied to the formation and…

High Energy Astrophysical Phenomena · Physics 2018-08-23 Maya Fishbach , Daniel E. Holz , Will M. Farr

The spin-orbit tilt angles $\theta_{1(2)}$ of merging stellar-mass black holes provide key insights into their astrophysical origin. Non-parametric population modelling of The LIGO, Virgo, and KAGRA Collaborations (2025a, arXiv:2508.18083)…

High Energy Astrophysical Phenomena · Physics 2026-04-01 Jakob Stegmann , Fabio Antonini , Aleksandra Olejak , Sylvia Biscoveanu , Vivien Raymond , Stefano Rinaldi , Elizabeth Flanagan

The environment surrounding supermassive black holes (SMBHs) in galactic nuclei (GNs) is expected to harbour stellar-mass binary black hole (BBH) populations. These binaries were suggested to form a hierarchical triple system with the SMBH,…

High Energy Astrophysical Phenomena · Physics 2022-12-21 László Gondán

Measuring the distribution of spin tilts-the angles between the spin vectors and the binary orbital angular momentum-in stellar-mass binary black holes detected by LIGO-Virgo-KAGRA would provide valuable insight into their astrophysical…

High Energy Astrophysical Phenomena · Physics 2025-05-26 Salvatore Vitale , Matthew Mould

Despite a decade's worth of gravitational wave observation, the origin of the binary black hole (BBH) mergers detected by the LIGO-VIRGO-Kagra (LVK) collaboration remains an open question. Towards assessing the feasibility and prevalence of…

High Energy Astrophysical Phenomena · Physics 2025-01-28 Yubo Su

Binary black holes (BBHs) are one of the endpoints of isolated binary evolution, and their mergers a leading channel for gravitational wave events. Here, using the evolutionary code \textsc{StarTrack}, we study the statistical properties of…

High Energy Astrophysical Phenomena · Physics 2018-04-19 Rosalba Perna , Martyna Chruslinska , Alessandra Corsi , Krzysztof Belczynski

The first direct detections of gravitational waves from merging binary black holes open a unique window into the binary black hole formation environment. One promising environmental signature is the angular distribution of the black hole…

High Energy Astrophysical Phenomena · Physics 2017-09-06 Will M. Farr , Simon Stevenson , M. Coleman Miller , Ilya Mandel , Ben Farr , Alberto Vecchio

In dense stellar environments, the merger products of binary black hole mergers may undergo additional mergers. These hierarchical mergers are predicted to have higher masses than the first generation of black holes made from stars. The…

High Energy Astrophysical Phenomena · Physics 2020-10-16 Chase Kimball , Colm Talbot , Christopher P. L. Berry , Matthew Carney , Michael Zevin , Eric Thrane , Vicky Kalogera

We investigate the joint primary mass, mass ratio, and redshift observed distribution of astrophysical black holes using the gravitational wave events detected by the LIGO-Virgo-KAGRA collaboration and included in the third gravitational…

High Energy Astrophysical Phenomena · Physics 2024-04-30 Stefano Rinaldi , Walter Del Pozzo , Michela Mapelli , Ana Lorenzo-Medina , Thomas Dent

The spins of black holes in merging binaries can reveal information related to the formation and evolution of these systems through their gravitational wave emission. Combining events to infer the astrophysical distribution of black hole…

High Energy Astrophysical Phenomena · Physics 2023-03-15 Jacob Golomb , Colm Talbot

Binary black hole (BBH) systems detected via gravitational-wave (GW) emission are a recently opened astrophysical frontier with many unknowns and uncertainties. Accurate reconstruction of the binary distribution with as few assumptions as…

High Energy Astrophysical Phenomena · Physics 2024-11-22 Jam Sadiq , Thomas Dent , Mark Gieles

Binary black hole spin measurements from gravitational wave observations can reveal the binary's evolutionary history. In particular, the spin orientations of the component black holes within the orbital plane, $\phi_1$ and $\phi_2$, can be…

High Energy Astrophysical Phenomena · Physics 2022-01-20 Vijay Varma , Sylvia Biscoveanu , Maximiliano Isi , Will M. Farr , Salvatore Vitale

An accurate and precise measurement of the spins of individual merging black holes is required to understand their origin. While previous studies have indicated that most of the spin information comes from the inspiral part of the signal,…

General Relativity and Quantum Cosmology · Physics 2021-11-17 Sylvia Biscoveanu , Maximiliano Isi , Vijay Varma , Salvatore Vitale

Gravitational waves from binary black holes have the potential to yield information on both of the intrinsic parameters that characterize the compact objects: their masses and spins. While the component masses are usually resolvable, the…

High Energy Astrophysical Phenomena · Physics 2021-05-05 Sylvia Biscoveanu , Maximiliano Isi , Salvatore Vitale , Vijay Varma

The degree of black-hole spin-orbit misalignment ("tilts") in the astrophysical population could be a powerful diagnostic to distinguish between binary formation in isolation, in dynamical environments, or in hierarchical triples. However,…

High Energy Astrophysical Phenomena · Physics 2026-05-08 Noah E. Wolfe , Salvatore Vitale , Michael Zevin

Gravitational wave detectors are observing an increasing number of binary black hole (BBH) mergers, revealing a bimodal mass distribution of BBHs, which hints at diverse formation histories for these systems. Using the rapid binary…

High Energy Astrophysical Phenomena · Physics 2025-10-10 Lei Li , Guoliang Lv , Chunhua Zhu , Sufen Guo , Hongwei Ge , Weimin Gu , Zhuowen Li , Xiaolong He

Attempts to understand the formation of binary black hole (BBH) systems detected via gravitational wave (GW) emission are affected by many unknowns and uncertainties, from both the observational and theoretical (astrophysical modelling)…

High Energy Astrophysical Phenomena · Physics 2025-12-18 Jam Sadiq , Thomas Dent , Ana Lorenzo-Medina

Analyses of the growing catalog of binary black hole (BBH) mergers observed by the LIGO-Virgo-KAGRA detectors are beginning to resolve features in their population-level mass, spin, and redshift distributions, revealing imprints of the…

High Energy Astrophysical Phenomena · Physics 2026-05-26 April Qiu Cheng , Alexandre Toubiana , Sylvia Biscoveanu , Jonathan Gair