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The successful construction and operation of highly sensitive gravitational-wave detectors is an achievement to be proud of, but the detection of actual signals is still around the corner. Even so, null results from recent searches have…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-27 Peter S. Shawhan

The nature of black holes is one of most exciting issues in gravitational physics. If there is an exotic compact object as the compact as a black hole but without a horizon, gravitational wave echoes may be produced after the merger. In…

General Relativity and Quantum Cosmology · Physics 2022-12-22 Xing-Yu Zhong , Wen-Biao Han , Ye Jiang , Ping Shen , Shu-Cheng Yang , Chen Zhang

We use a self-consistent Monte Carlo treatment of stellar dynamics to investigate black hole binaries that are dynamically ejected from globular clusters to determine if they will be gravitational wave sources. We find that many of the…

Astrophysics of Galaxies · Physics 2015-05-19 J. M. B. Downing , M. J. Benacquista , M. Giersz , R. Spurzem

Compact binary coalescences are a promising source of gravitational waves for second-generation interferometric gravitational-wave detectors. Although matched filtering is the optimal search method for well-modeled systems, alternative…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Michael Coughlin , Eric Thrane , Nelson Christensen

Gravitational waves (GWs) have rapidly become important cosmological probes since their first detection in 2015. As the number of detected events continues to rise, upcoming instruments like the Einstein Telescope (ET) and Cosmic Explorer…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-03 Stefano Zazzera , José Fonseca , Tessa Baker , Chris Clarkson

Gravitational waves emitted during compact binary coalescences are a promising source for gravitational-wave detector networks. The accuracy with which the location of the source on the sky can be inferred from gravitational wave data is a…

General Relativity and Quantum Cosmology · Physics 2015-06-17 K. Grover , S. Fairhurst , B. F. Farr , I. Mandel , C. Rodriguez , T. Sidery , A. Vecchio

The new generation of gravitational wave (GW) detectors have the potential to open a novel window onto the violent dynamics of core collapse. Although it is certain that core collapse events generate gravitational radiation, understanding…

Astrophysics · Physics 2007-05-23 Chris L. Fryer , Daniel E. Holz , Scott A. Hughes , Michael S. Warren

We study the impact of young clusters on the gravitational wave background from compact binary coalescence. We simulate a catalog of sources from population I/II isolated binary stars and stars born in young clusters, corresponding to one…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-02 Carole Périgois , Filippo Santoliquido , Yann Bouffanais , Ugo N. Di Carlo , Nicola Giacobbo , Sara Rastello , Michela Mapelli , Tania Regimbau

Space-based gravitational wave detectors will have the ability to observe continuous low frequency gravitational radiation from binary star systems. They can determine the direction to continuous sources with an angular resolution…

Astrophysics · Physics 2009-10-31 Matthew J. Benacquista

In this thesis we consider the data analysis problem of detecting gravitational waves emitted by inspiraling binary systems. Detection of gravitational waves will open a new window on the Universe enabling direct detection of systems such…

General Relativity and Quantum Cosmology · Physics 2010-02-10 Gareth Jones

An overview of some tools and techniques being developed for data conditioning (regression of instrumental and environmental artifacts from the data channel), detector design evaluation (modeling the science ``reach'' of alternative…

General Relativity and Quantum Cosmology · Physics 2009-10-31 L. S. Finn , G. Gonzalez , J. Hough , M. F. Huq , S. Mohanty , J. Romano , S. Rowan , P. R. Saulson , K. A. Strain

The promise of multi-messenger astronomy relies on the rapid detection of gravitational waves at very low latencies ($\mathcal{O}$(1\,s)) in order to maximize the amount of time available for follow-up observations. In recent years,…

We introduce a method based on the loudest event statistic to calculate an upper limit or interval on the astrophysical rate of binary coalescence. The calculation depends upon the sensitivity and noise background of the detectors, and a…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Stephen Fairhurst , Patrick Brady

In this paper, we investigate the sensitivity to additional gravitational wave polarization modes of future detectors. We first look at the upcoming Einstein Telescope and its combination with existing or planned Earth-based detectors in…

General Relativity and Quantum Cosmology · Physics 2018-08-20 Lionel Philippoz , Adrian Boîtier , Philippe Jetzer

We present an improved search for binary compact-object mergers using a network of ground-based gravitational-wave detectors. We model a volumetric, isotropic source population and incorporate the resulting distribution over signal…

General Relativity and Quantum Cosmology · Physics 2018-05-29 Alexander H. Nitz , Thomas Dent , Tito Dal Canton , Stephen Fairhurst , Duncan A. Brown

Cosmological gravitational-wave backgrounds are an exciting science target for next-generation ground-based detectors, as they encode invaluable information about the primordial Universe. However, any such background is expected to be…

General Relativity and Quantum Cosmology · Physics 2025-09-10 Haowen Zhong , Luca Reali , Bei Zhou , Emanuele Berti , Vuk Mandic

As next-generation gravitational-wave (GW) observatories approach unprecedented sensitivities, the need for robust methods to analyze increasingly complex, overlapping signals becomes ever more pressing. Existing matched-filtering…

General Relativity and Quantum Cosmology · Physics 2025-05-14 Tianyu Zhao , Yue Zhou , Ruijun Shi , Peng Xu , Zhoujian Cao , Zhixiang Ren

Gravitational-wave astronomy provides a unique new way to study the expansion history of the Universe. In this work, we investigate the impact future gravitational-wave observatories will have on cosmology. Third-generation observatories…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-03 Zhi-Qiang You , Xing-Jiang Zhu , Gregory Ashton , Eric Thrane , Zong-Hong Zhu

Treating general relativity as an effective field theory, we compute the leading-order quantum corrections to the orbits and gravitational-wave emission of astrophysical compact binaries. These corrections are independent of the (unknown)…

General Relativity and Quantum Cosmology · Physics 2018-11-28 Alexander C. Jenkins , Andreas G. A. Pithis , Mairi Sakellariadou

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
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