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Inspiraling binary neutron stars are expected to be one of the most significant sources of gravitational-wave signals for the new generation of advanced ground-based detectors. We investigate how well we could hope to measure properties of…

Inspirals and mergers of black hole (BHs) and/or neutron star (NSs) binaries are expected to be abundant sources for ground-based gravitational-wave (GW) detectors. We assess the capabilities of Advanced LIGO and Virgo to measure component…

High Energy Astrophysical Phenomena · Physics 2015-07-15 Tyson B. Littenberg , Benjamin Farr , Scott Coughlin , Vicky Kalogera , Daniel E. Holz

An accurate knowledge of the coalescing binary gravitational waveform is crucial for experimental searches as the ones performed by the LIGO-Virgo collaboration. Following an earlier paper by the same authors we refine the construction of…

General Relativity and Quantum Cosmology · Physics 2011-06-24 R. Sturani , S. Fischetti , L. Cadonati , G. M. Guidi , J. Healy , D. Shoemaker , A. Vicere'

We report results on the first matched-filtering search for binaries with compact objects having large tidal deformabilities in the LIGO-Virgo gravitational wave (GW) data. The tidal deformability of a body is quantified by the ``Love…

We present ${\tt NRPMw}$, an analytical model of gravitational-waves from neutron star merger remnants informed using 618 numerical relativity (NR) simulations. ${\tt NRPMw}$ is designed in the frequency domain using a combination of…

General Relativity and Quantum Cosmology · Physics 2022-05-19 Matteo Breschi , Sebastiano Bernuzzi , Kabir Chakravarti , Alessandro Camilletti , Aviral Prakash , Albino Perego

A waveform model for the eccentric binary black holes named SEOBNRE has been used to analyze the LIGO-Virgo's gravitational wave data by several groups. The accuracy of this model has been validated by comparing it with numerical…

General Relativity and Quantum Cosmology · Physics 2021-06-29 Qianyun Yun , Wen-Biao Han , Xingyu Zhong , Carlos A. Benavides-Gallego

Systematic errors in the parameter estimation (PE) of gravitational wave (GW) mergers can arise from various sources, including waveform systematics, noise mischaracterization, data analysis artifacts, and other unknown factors. In this…

High Energy Astrophysical Phenomena · Physics 2026-05-18 Sumit Kumar , Max Melching , Frank Ohme , Harsh Narola , Tom Dooney , Chris Van Den Broeck

The success of the multi-messenger astronomy relies on gravitational-wave observatories like LIGO and Virgo to provide prompt warning of merger events involving neutron stars (including both binary neutron stars and…

General Relativity and Quantum Cosmology · Physics 2021-09-15 Hang Yu , Rana X. Adhikari , Ryan Magee , Surabhi Sachdev , Yanbei Chen

The increasing sensitivity of current and upcoming gravitational-wave (GW) detectors poses stringent requirements on the accuracy of the GW models used for data analysis. If these requirements are not met, systematic errors could dominate…

General Relativity and Quantum Cosmology · Physics 2025-08-29 Lorenzo Pompili , Alessandra Buonanno , Michael Pürrer

Mergers of stellar-mass black holes on highly eccentric orbits are among the targets for ground-based gravitational-wave detectors, including LIGO, VIRGO, and KAGRA. These sources may commonly form through gravitational-wave emission in…

High Energy Astrophysical Phenomena · Physics 2018-03-21 László Gondán , Bence Kocsis , Péter Raffai , Zsolt Frei

We report the results of the first search for gravitational waves from compact binary coalescence using data from the LIGO and Virgo detectors. Five months of data were collected during the concurrent S5 (LIGO) and VSR1 (Virgo) science…

General Relativity and Quantum Cosmology · Physics 2012-08-27 the LIGO Scientific Collaboration , the Virgo Collaboration

Searches for gravitational waves from compact-binary mergers, which to date have reported $\sim100$ observations, have previously ignored binaries whose components are both consistent with the mass of neutron stars $(1 M_\odot$ to $ 2…

High Energy Astrophysical Phenomena · Physics 2024-02-08 Yi-Fan Wang , Alexander H. Nitz

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…

The combined observation of gravitational and electromagnetic waves from the coalescence of two neutron stars marks the beginning of multi-messenger astronomy with gravitational waves (GWs). The development of accurate gravitational…

Coalescing binary black holes are among the primary science targets for second generation ground-based gravitational wave (GW) detectors. Reliable GW models are central to detection of such systems and subsequent parameter estimation. This…

General Relativity and Quantum Cosmology · Physics 2016-06-01 Prayush Kumar , Tony Chu , Heather Fong , Harald P. Pfeiffer , Michael Boyle , Daniel A. Hemberger , Lawrence E. Kidder , Mark A. Scheel , Bela Szilagyi

Measurement of eccentricity in low-mass binary systems through gravitational waves is crucial to distinguish between various formation channels. Detecting eccentricity in these systems is challenging due to a lack of accurate eccentric…

General Relativity and Quantum Cosmology · Physics 2025-12-23 Keisi Kacanja , Kanchan Soni , Alexander Harvey Nitz

While most binary inspirals are expected to have circularized before they enter the LIGO/Virgo frequency band, a small fraction of those binaries could have non-negligible orbital eccentricity depending on their formation channel. Hence, it…

General Relativity and Quantum Cosmology · Physics 2021-07-21 Mohammed Khalil , Alessandra Buonanno , Jan Steinhoff , Justin Vines

Within the next five years, it is expected that the Advanced LIGO/Virgo network will have reached a sensitivity sufficient to enable the routine detection of gravitational waves. Beyond the initial detection, the scientific promise of these…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Carl L Rodriguez , Benjamin Farr , Vivien Raymond , Will M Farr , Tyson Littenberg , Diego Fazi , Vicky Kalogera

We improve the effective-one-body (EOB) description of nonspinning coalescing black hole binaries by incorporating several recent analytical advances, notably: (i) logarithmic contributions to the conservative dynamics; (ii) resummed…

General Relativity and Quantum Cosmology · Physics 2013-04-17 Thibault Damour , Alessandro Nagar , Sebastiano Bernuzzi
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