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For third generation gravitational wave detectors, such as the Einstein Telescope, gravitational wave signals from binary neutron stars can last up to a few days before the neutron stars merge. To estimate the measurement uncertainties of…

High Energy Astrophysical Phenomena · Physics 2018-07-04 Man Leong Chan , Chris Messenger , Ik Siong Heng , Martin Hendry

Early detection and localization of gravitational waves (GWs) are essential for identifying electromagnetic (EM) counterparts, playing a key role in multi-messenger astronomy. However, second-generation (2G) ground-based detectors are most…

General Relativity and Quantum Cosmology · Physics 2026-05-01 Tao Yang , Rong-Gen Cai , Zhoujian Cao , Hyung Mok Lee

We present the first application of deep learning forecasting for binary neutron stars, neutron star - black hole systems, and binary black hole mergers that span an eccentricity range e <= 0.9. We train neural networks that describe these…

General Relativity and Quantum Cosmology · Physics 2021-10-19 Wei Wei , E. A. Huerta , Mengshen Yun , Nicholas Loutrel , Md Arif Shaikh , Prayush Kumar , Roland Haas , Volodymyr Kindratenko

We study the advantage of combining measurements from future ground and space based gravitational wave detectors in estimating the parameters of a black-hole binary coalescence. This is an extension of our previous work (PTEP 053E01 (2016))…

General Relativity and Quantum Cosmology · Physics 2018-11-16 Remya Nair , Takahiro Tanaka

The detection rate for compact binary mergers has grown as the sensitivity of the global network of ground based gravitational wave detectors has improved, now reaching the stage where robust automation of the analyses is essential.…

General Relativity and Quantum Cosmology · Physics 2021-06-02 Neil J. Cornish

The Einstein Telescope (ET), a future third-generation gravitational wave detector will have detection sensitivity for gravitational wave signals down to 1 Hz. This improved low-frequency sensitivity of the ET will allow the observation of…

High Energy Astrophysical Phenomena · Physics 2022-12-19 Neha Singh , Tomasz Bulik

We present the prospects for the pre-merger detection and localization of binary neutron star mergers with third generation gravitational-wave observatories. We consider a wide variety of gravitational-wave networks which may be operating…

High Energy Astrophysical Phenomena · Physics 2021-09-07 Alexander H. Nitz , Tito Dal Canton

Orbital eccentricity in compact binary mergers carries crucial information about the binary's formation and environment. There are emerging signs that some of the mergers detected by the LIGO and Virgo gravitational wave detectors could…

Inspiralling compact binaries are expected to circularize before their gravitational-wave signals reach the sensitive frequency band of ground-based detectors. Current searches for gravitational waves from compact binaries using the LIGO…

General Relativity and Quantum Cosmology · Physics 2010-04-06 Duncan A. Brown , Peter J. Zimmerman

The possible formation of stellar-mass binary black holes through dynamical interactions in dense stellar environments predicts the existence of binaries with non-negligible eccentricity in the frequency band of ground-based gravitational…

General Relativity and Quantum Cosmology · Physics 2020-08-19 Antoni Ramos-Buades , Shubhanshu Tiwari , Maria Haney , Sascha Husa

We discuss two approaches to searches for gravitational-wave (GW) and electromagnetic (EM) counterparts of binary neutron star mergers. The first approach relies on triggering archival searches of GW detector data based on detections of EM…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Ilya Mandel , Luke Z. Kelley , Enrico Ramirez-Ruiz

Gravitational-wave signals from compact binary coalescences are most efficiently identified through matched filter searches, which match the data against a pre-generated bank of gravitational-wave templates. Although different techniques…

General Relativity and Quantum Cosmology · Physics 2023-03-31 Connor McIsaac , Charlie Hoy , Ian Harry

The gravitational-wave (GW) detections reported by the LIGO-Virgo-KAGRA (LVK) collaboration have so far been consistent with quasi-circular compact binary coalescences (CBCs). Nevertheless, a small fraction of binaries driven to merge…

General Relativity and Quantum Cosmology · Physics 2026-03-02 Priscilla Canizares , Seppe J. Staelens , Isobel Romero-Shaw

The use of quasicircular waveforms in matched-filter analyses of signals from eccentric binary neutron star mergers can lead to biases in the source's parameter estimation. We demonstrate that significant biases can be present already for…

General Relativity and Quantum Cosmology · Physics 2025-10-23 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba

This paper considers the problem of localising a stationary signal source using a team of mobile agents which only take binary measurements. Background false detection rates and missed detection probabilities are incorporated into the…

Signal Processing · Electrical Eng. & Systems 2018-09-13 Daniel D. Selvaratnam , Iman Shames , Jonathan H. Manton , Branko Ristic

Inspiraling supermassive black hole binary systems with high orbital eccentricity are important sources for space-based gravitational wave (GW) observatories like the Laser Interferometer Space Antenna (LISA). Eccentricity adds orbital…

General Relativity and Quantum Cosmology · Physics 2013-05-30 Balázs Mikóczi , Bence Kocsis , Péter Forgács , Mátyás Vasúth

Compact binaries in our galaxy are expected to be one of the main sources of gravitational waves for the future eLISA mission. During the mission lifetime, many thousands of galactic binaries should be individually resolved. However, the…

General Relativity and Quantum Cosmology · Physics 2016-03-23 Yann Bouffanais , Edward K. Porter

A crucial component to maximizing the science gain from the multi-messenger follow-up of gravitational-wave (GW) signals from compact binary mergers is the prompt discovery of the electromagnetic counterpart. Ideally, the GW detection and…

High Energy Astrophysical Phenomena · Physics 2020-08-06 Shasvath J. Kapadia , Mukesh Kumar Singh , Md Arif Shaikh , Deep Chatterjee , Parameswaran Ajith

The number of gravitational wave signals from the merger of compact binary systems detected in the network of advanced LIGO and Virgo detectors is expected to increase considerably in the upcoming science runs. Once a confident detection is…

General Relativity and Quantum Cosmology · Physics 2024-02-21 Lalit Pathak , Sanket Munishwar , Amit Reza , Anand S. Sengupta

The measurement of eccentricity would provide strong constraints on the formation channel of stellar-mass binary black holes. However, current ground-based gravitational wave detectors will, in most cases, not be able to measure…

High Energy Astrophysical Phenomena · Physics 2024-06-13 Han Wang , Ian Harry , Alexander Nitz , Yi-Ming Hu