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With the discovery of the binary black hole coalescence GW150914, the era of gravitational-wave astrophysics has started. Gravitational-wave signals emitted by compact binary coalescences will be detected in large number by LIGO and Virgo…

General Relativity and Quantum Cosmology · Physics 2017-03-15 Salvatore Vitale , Ryan Lynch , Riccardo Sturani , Philip Graff

Gravitational-wave observations have the capability to strongly differentiate between different assumptions for how binary compact objects form. In this work, we show how to carefully interpolate a marginal likelihood between choices of…

General Relativity and Quantum Cosmology · Physics 2023-07-11 Vera Delfavero , Richard O'Shaughnessy , Krzysztof Belczynski , Paweł Drozda , Daniel Wysocki

The coalescence of compact binaries containing neutron stars or black holes is one of the most promising signals for advanced ground-based laser interferometer gravitational-wave detectors, with the first direct detections expected over the…

High Energy Astrophysical Phenomena · Physics 2015-09-02 Simon Stevenson , Frank Ohme , Stephen Fairhurst

Modeling the stochastic gravitational wave background from various astrophysical sources is a key objective in view of upcoming observations with ground- and space-based gravitational wave observatories such as Advanced LIGO, VIRGO, eLISA…

High Energy Astrophysical Phenomena · Physics 2016-12-07 Irina Dvorkin , Jean-Philippe Uzan , Elisabeth Vangioni , Joseph Silk

During its first 4 months of taking data, Advanced LIGO has detected gravitational waves from two binary black hole mergers, GW150914 and GW151226, along with the statistically less significant binary black hole merger candidate LVT151012.…

High Energy Astrophysical Phenomena · Physics 2017-04-12 Simon Stevenson , Alejandro Vigna-Gómez , Ilya Mandel , Jim W. Barrett , Coenraad J. Neijssel , David Perkins , Selma E. de Mink

The advent of gravitational-wave astronomy is now allowing for the study of compact binary merger demographics throughout the Universe. This information can be leveraged as tools for understanding massive stars, their environments, and…

High Energy Astrophysical Phenomena · Physics 2024-04-12 Kevin Turbang , Max Lalleman , Thomas A. Callister , Nick van Remortel

Ground-based gravitational-wave detectors like the Advanced LIGO, Advanced Virgo, and KAGRA experiments now regularly witness gravitational waves from compact binary mergers: the relativistic collisions of neutron stars and/or stellar-mass…

High Energy Astrophysical Phenomena · Physics 2024-10-28 T. A. Callister

The second LIGO-Virgo catalog of gravitational wave transients has more than quadrupled the observational sample of binary black holes. We analyze this catalog using a suite of five state-of-the-art binary black hole population models…

Ten binary black-hole mergers have already been detected during the first two observing runs of advanced LIGO and Virgo, and many more are expected to be observed in the near future. This opens the possibility for gravitational-wave…

High Energy Astrophysical Phenomena · Physics 2020-05-15 Yann Bouffanais , Michela Mapelli , Davide Gerosa , Ugo N. Di Carlo , Nicola Giacobbo , Emanuele Berti , Vishal Baibhav

A new generation of ground-based interferometric detectors for gravitational waves is currently under construction or has entered the commissioning phase (LIGO, VIRGO, GEO600, TAMA). We study the most promising candidate sources for these…

Astrophysics · Physics 2014-10-13 Krzysztof Belczynski , Vassiliki Kalogera , Tomasz Bulik

Gravitational waves (GWs) from binary black hole (BBH) mergers provide a new probe of massive-star evolution and the formation channels of binary compact objects. By coupling the growing sample of BBH systems with population synthesis…

High Energy Astrophysical Phenomena · Physics 2017-09-11 Michael Zevin , Chris Pankow , Carl L. Rodriguez , Laura Sampson , Eve Chase , Vassiliki Kalogera , Frederic A. Rasio

The properties of the population of merging binary black holes encode some of the uncertain physics of the evolution of massive stars in binaries. The binary black hole merger rate and chirp mass distribution are being measured by…

The astrophysical origin of the over 90 compact binary mergers discovered by the LIGO and Virgo gravitational wave observatories is an open question. While the unusual mass and spin of some of the discovered objects constrain progenitor…

General Relativity and Quantum Cosmology · Physics 2023-03-29 V. Gayathri , Daniel Wysocki , Y. Yang , R. O Shaughnessy , Z. Haiman , H. Tagawa , I. Bartos

Gravitational wave measurements will provide insight into the population of coalescing compact binaries throughout the universe. We describe and demonstrate a flexible parametric method to infer the event rate as a function of compact…

General Relativity and Quantum Cosmology · Physics 2019-08-20 Daniel Wysocki , Jacob Lange , Richard O'Shaughnessy

On August 14, 2019, the LIGO and Virgo detectors observed GW190814, a gravitational-wave signal originating from the merger of a $\simeq 23 M_\odot$ black hole with a $\simeq 2.6 M_\odot$ compact object. GW190814's compact-binary source is…

High Energy Astrophysical Phenomena · Physics 2020-08-07 Michael Zevin , Mario Spera , Christopher P. L. Berry , Vicky Kalogera

Observations of gravitational waves (GWs) from merging compact binaries have become a regular occurrence. The continued advancement of the LIGO-Virgo-KAGRA (LVK) Collaboration detectors have now produced a catalog of over 90 such mergers,…

High Energy Astrophysical Phenomena · Physics 2024-04-01 Jaxen Godfrey , Bruce Edelman , Ben Farr

Over the next decade, third-generation interferometers and the space-based LISA mission will observe binaries in galactic centers involving supermassive black holes with millions of solar masses. More precise measurements of more extreme…

General Relativity and Quantum Cosmology · Physics 2023-08-09 Francisco Duque

The detection of gravitational waves from the merger of binary black holes by the LIGO Collaboration has opened a new window to astrophysics. With the sensitivities of ground based detectors in the coming years we can only detect the local…

High Energy Astrophysical Phenomena · Physics 2017-06-28 Ilias Cholis

With its last observing run, the LIGO, Virgo, and KAGRA collaboration has detected almost one hundred gravitational waves from compact binary coalescences. A common approach to studying the population properties of the observed binaries is…

General Relativity and Quantum Cosmology · Physics 2022-10-12 Simone Mastrogiovanni , Astrid Lamberts , Rahul Srinivasan , Tristan Bruel , Nelson Christensen

The recent advanced LIGO detections of gravitational waves from merging binary black holes enhance the prospect of exploring binary evolution via gravitational-wave observations of a population of compact-object binaries. In the face of…

High Energy Astrophysical Phenomena · Physics 2017-01-25 Ilya Mandel , Will M. Farr , Andrea Colonna , Simon Stevenson , Peter Tiňo , John Veitch
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