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Future ground-based gravitational wave (GW) detectors, i.e., Einstein telescope (ET) and Cosmic Explorer (CE), are expected to detect a significant number of lensed binary neutron star (BNS) mergers, which may provide a unique tool to probe…

High Energy Astrophysical Phenomena · Physics 2023-07-07 Hao Ma , Youjun Lu , Xiao Guo , Siqi Zhang , Qingbo Chu

We describe realistic observing scenarios for early warning detection of binary neutron star mergers with the current generation of ground-based gravitational-wave detectors as these approach design sensitivity. Using Fisher analysis, we…

High Energy Astrophysical Phenomena · Physics 2022-08-31 Ryan Magee , Ssohrab Borhanian

Ground-based gravitational-wave (GW) observatories have transformed our view of compact-object mergers, yet their reach still limits a comprehensive reconstruction of the processes that generate these systems. Only next-generation…

We use the Fisher information matrix to investigate the angular resolution and luminosity distance uncertainty for coalescing binary neutron stars (BNSs) and neutron star-black hole binaries (NSBHs) detected by the third-generation (3G)…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-04 Wen Zhao , Linqing Wen

We demonstrate Bayesian analyses of the complete gravitational-wave spectrum of binary neutron star mergers events with the next-generation detector Einstein Telescope. Our mock analyses are performed for 20 different signals using the…

General Relativity and Quantum Cosmology · Physics 2026-02-12 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba

Proposed next-generation networks of gravitational-wave observatories include dedicated kilohertz instruments that target neutron star science, such as the proposed Neutron Star Extreme Matter Observatory, NEMO. The original proposal for…

High Energy Astrophysical Phenomena · Physics 2022-02-21 Nikhil Sarin , Paul D. Lasky

We explore the intriguing possibility of employing future ground-based gravitational-wave interferometers to detect the inspiral of binary neutron stars sufficiently early to alert electromagnetic observatories so that a gamma-ray burst…

High Energy Astrophysical Phenomena · Physics 2018-12-18 Sarp Akcay

We investigate the prospects for joint low-latency gravitational wave (GW) detection and prompt electromagnetic (EM) follow-up observations of coalescing binary neutron stars (BNSs). For BNS mergers associated with short duration gamma-ray…

High Energy Astrophysical Phenomena · Physics 2016-03-23 Q. Chu , E. J. Howell , A. Rowlinson , H. Gao , B. Zhang , S. J. Tingay , M. Boer , L. Wen

The next generation of ground-based gravitational-wave detectors, Einstein Telescope (ET) and Cosmic Explorer (CE), present a unique opportunity to put constraints on dense matter, among many other groundbreaking scientific goals. In a…

General Relativity and Quantum Cosmology · Physics 2023-12-18 Francesco Iacovelli , Michele Mancarella , Chiranjib Mondal , Anna Puecher , Tim Dietrich , Francesca Gulminelli , Michele Maggiore , Micaela Oertel

The simultaneous observation of gravitational waves (GW) and prompt electromagnetic counterparts from the merger of two neutron stars can help reveal the properties of extreme matter and gravity during and immediately after the final…

High Energy Astrophysical Phenomena · Physics 2023-12-11 Chayan Chatterjee , Linqing Wen

With planned space-based and 3rd generation ground-based gravitational wave detectors (LISA, Einstein Telescope, Cosmic Explorer), and proposed DeciHz detectors (DECIGO, Big Bang Observer), it is timely to explore statistical cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-24 Charlie T. Mpetha , Giuseppe Congedo , Andy Taylor

Using data from 289 numerical relativity simulations of merging binary neutron stars, we identify, for the first time, a robust quasi-universal relation connecting the postmerger peak gravitational-wave frequency and the value of the…

General Relativity and Quantum Cosmology · Physics 2022-05-04 Matteo Breschi , Sebastiano Bernuzzi , Daniel Godzieba , Albino Perego , David Radice

Observations by the current generation of gravitational-wave detectors have been pivotal in expanding our understanding of the universe. Although tens of exciting compact binary mergers have been observed, neutron star-black hole (NSBH)…

General Relativity and Quantum Cosmology · Physics 2023-07-26 Ish Gupta , Ssohrab Borhanian , Arnab Dhani , Debatri Chattopadhyay , Rahul Kashyap , V. Ashley Villar , B. S. Sathyaprakash

The mergers of neutron star-neutron star and neutron star-black hole binaries are the most promising gravitational wave events with electromagnetic counterparts. The rapid detection, localization and simultaneous multi-messenger follow-up…

General Relativity and Quantum Cosmology · Physics 2023-12-07 Chayan Chatterjee , Manoj Kovalam , Linqing Wen , Damon Beveridge , Foivos Diakogiannis , Kevin Vinsen

Ground-based gravitational-wave detectors like Cosmic Explorer can be tuned to improve their sensitivity at high or low frequencies by tuning the response of the signal extraction cavity. Enhanced sensitivity above 2 kHz enables…

General Relativity and Quantum Cosmology · Physics 2022-07-13 Varun Srivastava , Derek Davis , Kevin Kuns , Philippe Landry , Stefan Ballmer , Matt Evans , Evan Hall , Jocelyn Read , B. S. Sathyaprakash

X-ray observations of some short gamma-ray bursts indicate that a long-lived neutron star can form as a remnant of a binary neutron star merger. We develop a gravitational-wave detection pipeline for a long-lived binary neutron star merger…

High Energy Astrophysical Phenomena · Physics 2018-08-21 Nikhil Sarin , Paul D. Lasky , Letizia Sammut , Greg Ashton

Gravitational waves from binary neutron star mergers can be used as alerts to enable prompt follow-up observations. In particular, capturing prompt electromagnetic and astroparticle emissions from the moment of a binary merger presents…

General Relativity and Quantum Cosmology · Physics 2022-03-09 Manoj Kovalam , Md Anwarul Kaium Patwary , Anala K Sreekumar , Linqing Wen , Fiona H Panther , Qi Chu

Next-generation detectors are expected to be sensitive to postmerger signals from binary neutron star coalescences and thus to directly probe the remnant dynamics. We investigate the scientific potential of postmerger detections with the…

General Relativity and Quantum Cosmology · Physics 2022-05-23 Matteo Breschi , Rossella Gamba , Ssohrab Borhanian , Gregorio Carullo , Sebastiano Bernuzzi

Clustering measurements of Gravitational Wave (GW) mergers in Luminosity Distance Space can be used in the future as a powerful tool for Cosmology. We consider tomographic measurements of the Angular Power Spectrum of mergers both in an…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-23 S. Libanore , M. C. Artale , D. Karagiannis , M. Liguori , N. Bartolo , Y. Bouffanais , N. Giacobbo , M. Mapelli , S. Matarrese

Multi-messenger astronomy was galvanized by the detection of gravitational waves (GWs) from the binary neutron star (BNS) merger GW170817 and electromagnetic (EM) emission from the subsequent kilonova and short gamma ray burst. Maximizing…

High Energy Astrophysical Phenomena · Physics 2025-12-02 Nathan Steinle , Samar Safi-Harb , Matt Nicholl , Isabelle Worssam , Benjamin P. Gompertz