English
Related papers

Related papers: Effective chirp mass captures the inspiral frequen…

200 papers

Newtonian and post-Newtonian (PN) calculations indicate that the phenomenology of eccentric binary black hole (BBH) merger waveforms is significantly more complex than that of their quasi-circular counterparts. Each spherical harmonic mode…

[Abridged] We introduce an improved version of the Eccentric, Non-spinning, Inspiral-Gaussian-process Merger Approximant (ENIGMA) waveform model. We find that this ready-to-use model can: (i) produce physically consistent signals when…

General Relativity and Quantum Cosmology · Physics 2021-04-15 Zhuo Chen , E. A. Huerta , Joseph Adamo , Roland Haas , Eamonn O'Shea , Prayush Kumar , Chris Moore

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

We assess the possibility of detecting both eccentricity and gas effects (migration and accretion) in the gravitational wave (GW) signal from LISA massive black hole binaries (MBHBs) at redshift $z=1$. Gas induces a phase correction to the…

Astrophysics of Galaxies · Physics 2025-01-16 Mudit Garg , Andrea Derdzinski , Shubhanshu Tiwari , Jonathan Gair , Lucio Mayer

The Laser Interferometer Space Antenna (LISA) is designed to detect gravitational wave signals from astrophysical sources, including those from coalescing binary systems of compact objects such as black holes. Colliding galaxies have…

General Relativity and Quantum Cosmology · Physics 2011-04-22 Joey Shapiro Key , Neil J. Cornish

Advanced LIGO and Virgo have so far detected gravitational waves from 10 binary black hole mergers (BBH) and 1 binary neutron star merger (BNS). In the future, we expect the detection of many more marginal sources, since compact binary…

General Relativity and Quantum Cosmology · Physics 2019-01-03 Yiwen Huang , Hannah Middleton , Ken K. -Y. Ng , Salvatore Vitale , John Veitch

The most general bound binary black hole (BBH) system has an eccentric orbit and precessing spins. The detection of such a system with significant eccentricity close to the merger would be a clear signature of dynamical formation. In order…

General Relativity and Quantum Cosmology · Physics 2025-12-12 Khun Sang Phukon , Nathan K. Johnson-McDaniel , Amitesh Singh , Anuradha Gupta

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

Extreme-mass-ratio-inspiral (EMRI) is one of the most important sources for the future space-borne gravitational wave detectors. In such kind of systems, the compact objects usually orbit around the central supermassive black holes with…

General Relativity and Quantum Cosmology · Physics 2021-08-11 Chen Zhang , Wen-Biao Han , Shu-Cheng Yang

Eccentricity of the inspiraling compact binaries can greatly improve the distance inference and source localization of dark sirens. In this paper, we continue the research for the space-borne atom interferometric gravitational-wave detector…

General Relativity and Quantum Cosmology · Physics 2022-10-19 Tao Yang , Rong-Gen Cai , Hyung Mok Lee

The searches of impulsive gravitational waves (GW) in the data of the ground-based interferometers focus essentially on two types of waveforms: short unmodeled bursts and chirps from inspiralling compact binaries. There is room for other…

General Relativity and Quantum Cosmology · Physics 2008-12-18 Archana Pai , Eric Chassande-Mottin , Olivier Rabaste

Future ground-based gravitational wave observatories will be ideal probes of the environments surrounding black holes with masses $1 - 10\,\mathrm{M_\odot}$. Binary black hole mergers with mass ratios of order $q=m_2/m_1\lesssim10^{-3}$ can…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-19 Philippa S. Cole , Adam Coogan , Bradley J. Kavanagh , Gianfranco Bertone

We address the problem of constructing high-accuracy, faithful analytic waveforms describing the gravitational wave signal emitted by inspiralling and coalescing binary black holes. We work within the Effective-One-Body (EOB) framework and…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Thibault Damour , Alessandro Nagar

The recently discovered massive binary system Apep is the most powerful synchrotron emitter among the known Galactic colliding-wind binaries. This makes this particular system of great interest to investigate stellar winds and the…

High Energy Astrophysical Phenomena · Physics 2023-06-22 S. del Palacio , P. Benaglia , M. De Becker , V. Bosch-Ramon , G. E. Romero

The Einstein Telescope (ET), a wide-band, future third generation gravitational wave detector, is expected to have detection rates of $\sim 10^5 - 10^6$ binary black hole (BBH) detections and $\sim 7 \times 10^4$ binary neutron star (BNS)…

High Energy Astrophysical Phenomena · Physics 2022-11-02 Neha Singh , Tomasz Bulik , Krzysztof Belczynski , Abbas Askar

Given the absence of observations of black hole binaries, it is critical that the full range of accessible parameter space be explored in anticipation of future observation with gravitational wave detectors. To this end, we compile the…

General Relativity and Quantum Cosmology · Physics 2011-07-29 Janna Levin , Sean T. McWilliams , Hugo Contreras

Compressible, Riemann S-type ellipsoids can emit gravitational waves (GWs) with a chirp-like behavior (hereafter chirping ellipsoids, CELs). We show that the GW frequency-amplitude evolution of CELs (mass $\sim 1$~M$_\odot$, radius…

Astrophysics of Galaxies · Physics 2023-10-12 J. F. Rodriguez , J. A. Rueda , R. Ruffini , J. I. Zuluaga , J. M. Blanco-Iglesias , P. Loren-Aguilar

Eccentric binaries are key targets for current and future gravitational wave (GW) detectors, offering unique insights into the formation and environments of compact binaries. However, accurately and efficiently modeling eccentric waveforms…

General Relativity and Quantum Cosmology · Physics 2025-10-09 Gonzalo Morras

Gravitational-wave (GW) signals from coalescing compact binaries carry enormous information about the source dynamics and are an excellent tool to probe unknown astrophysics and fundamental physics. Though the updated catalog of compact…

General Relativity and Quantum Cosmology · Physics 2022-03-10 N V Krishnendu , Frank Ohme

Detecting binary black hole (BBH) mergers with quantifiable orbital eccentricity would confirm the existence of a dynamical formation channel for these binaries. The current state-of-the-art gravitational wave searches of LIGO-Virgo-KAGRA…

General Relativity and Quantum Cosmology · Physics 2024-05-08 Bhooshan Gadre , Kanchan Soni , Shubhanshu Tiwari , Antoni Ramos-Buades , Maria Haney , Sanjit Mitra