English
Related papers

Related papers: Constraining black hole mimickers with gravitation…

200 papers

Gravitational waves from compact binary coalescences provide a unique laboratory to test properties of compact objects. As alternatives to the ordinary black holes in general relativity, various exotic compact objects have been proposed.…

General Relativity and Quantum Cosmology · Physics 2025-04-03 Tatsuya Narikawa , Nami Uchikata , Takahiro Tanaka

The recent LIGO detection of gravitational waves from black-hole binaries offers the exciting possibility of testing gravitational theories in the previously inaccessible strong-field, highly relativistic regime. While the LIGO detections…

General Relativity and Quantum Cosmology · Physics 2017-03-17 Enrico Barausse

Gravitational-wave observations of coalescing binary systems allow for novel tests of the strong-field regime of gravity. Using data from the Gravitational Wave Open Science Center (GWOSC) of the LIGO and Virgo detectors, we place the first…

General Relativity and Quantum Cosmology · Physics 2020-09-03 Noah Sennett , Richard Brito , Alessandra Buonanno , Victor Gorbenko , Leonardo Senatore

Two new observational windows have been opened to strong gravitational physics: gravitational waves, and very long baseline interferometry. This suggests observational searches for new phenomena in this regime, and in particular for those…

General Relativity and Quantum Cosmology · Physics 2019-08-07 Steven B. Giddings , Seth Koren , Gabriel Treviño

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

In this proceedings, we are interested in dark gravitational wave standard sirens and their use for cosmology and for constraining modified gravity theories. Due to the extra friction term introduced in their propagation equation those…

General Relativity and Quantum Cosmology · Physics 2022-09-15 Konstantin Leyde , Simone Mastrogiovanni , Danièle A. Steer , Eric Chassande-Mottin , Christos Karathanasis

Gravitational waves from the merger of two neutron stars cannot be easily distinguished from those produced by a comparable-mass mixed binary in which one of the companions is a black hole. Low-mass black holes are interesting because they…

High Energy Astrophysical Phenomena · Physics 2020-07-29 Margherita Fasano , Kaze W. K. Wong , Andrea Maselli , Emanuele Berti , Valeria Ferrari , Bangalore S. Sathyaprakash

If a significant fraction of dark matter is in the form of compact objects, they will cause microlensing effects in the gravitational wave (GW) signals observable by LIGO and Virgo. From the non-observation of microlensing signatures in the…

General Relativity and Quantum Cosmology · Physics 2022-02-24 S. Basak , A. Ganguly , K. Haris , S. Kapadia , A. K. Mehta , P. Ajith

We study how by careful monitoring of the presence or absence of tidal deformability (TD) and tidal-heating (TH) in the inspiral signal of compact object binaries in ground-based gravitational wave (GW) detectors, one can test if its…

General Relativity and Quantum Cosmology · Physics 2021-10-04 Sayak Datta , Khun Sang Phukon , Sukanta Bose

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

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 observation of gravitational-wave signals from merging black-hole binaries enables direct measurement of the properties of the black holes. An individual observation allows measurement of the black-hole masses, but only limited…

General Relativity and Quantum Cosmology · Physics 2018-12-12 Vaibhav Tiwari , Stephen Fairhurst , Mark Hannam

We study whether binary black hole template banks can be used to search for the gravitational waves emitted by general binary coalescences. To recover binary signals from noisy data, matched-filtering techniques are typically required. This…

High Energy Astrophysical Phenomena · Physics 2020-12-16 Horng Sheng Chia , Thomas D. P. Edwards

The detection of gravitational waves (GWs) provides a powerful tool to constrain the cosmological parameters. In this paper, we investigate the possibility of using GWs as standard sirens in testing the anisotropy of the universe. We…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-23 Hai-Nan Lin , Jin Li , Xin Li

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

Astrophysical observations point toward strong evidence for the existence of black holes (BHs). Nevertheless, it is yet to be established or ruled out with confidence whether some exotic compact objects (ECOs), capable of mimicking black…

General Relativity and Quantum Cosmology · Physics 2024-12-02 Samanwaya Mukherjee

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

Since the initial discovery of gravitational-waves from merging black holes, the LIGO Scientific Collaboration together with Virgo and KAGRA have published 90 gravitational-wave observations of compact binary mergers in the…

General Relativity and Quantum Cosmology · Physics 2022-09-09 Vera Del Favero

We analyze the distinguishability of populations of coalescing binary neutron stars, neutron-star black-hole binaries, and binary black holes, whose gravitational-wave signatures are expected to be observed by the advanced network of…

High Energy Astrophysical Phenomena · Physics 2015-05-05 Ilya Mandel , Carl-Johan Haster , Michal Dominik , Krzysztof Belczynski

Gravitational wave detectors in the LIGO/Virgo frequency band are able to measure the individual masses and the composite tidal deformabilities of neutron-star binary systems. This paper demonstrates that high accuracy measurements of these…

High Energy Astrophysical Phenomena · Physics 2018-08-22 Lee Lindblom
‹ Prev 1 2 3 10 Next ›