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After eleven gravitational-wave detections from compact-binary mergers, we are yet to observe the striking general-relativistic phenomenon of orbital precession. Measurements of precession would provide valuable insights into the…

General Relativity and Quantum Cosmology · Physics 2020-09-02 Stephen Fairhurst , Rhys Green , Mark Hannam , Charlie Hoy

Massive black hole binary coalescences are prime targets for space-based gravitational wave (GW) observatories such as {\it LISA}. GW measurements can localize the position of a coalescing binary on the sky to an ellipse with a major axis…

Astrophysics · Physics 2008-05-28 Ryan N. Lang , Scott A. Hughes

Gravitational waves (GWs) from binary black hole mergers provide unique opportunities for cosmological inference such as standard sirens. However, the accurate determination of the luminosity distance of the event is limited by the…

General Relativity and Quantum Cosmology · Physics 2023-10-24 Qianyun Yun , Wen-Biao Han , Qian Hu , Haiguang Xu

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 LIGO-Virgo-KAGRA Collaboration has detected over one hundred compact binary mergers in gravitational waves, but the formation history of these binaries remains an open question. Finding the host galaxies of these mergers will provide…

High Energy Astrophysical Phenomena · Physics 2024-02-16 Geoffrey Mo , Hsin-Yu Chen

Merging rates of compact binaries (double neutron stars or black holes) are calculated based on the modern concept of binary stellar evolution. It is found that the initial laser interferometers with an rms-sensitivity of $10^{-21}$ at the…

Astrophysics · Physics 2009-09-25 M. E. Prokhorov , V. M. Lipunov , K. A. Postnov

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

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

In the last few years before merger, supermassive black hole binaries will rapidly inspiral and precess in a magnetic field imposed by a surrounding circumbinary disk. Multiple simulations suggest this relative motion will convert some of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 R. O'Shaughnessy , D. L. Kaplan , A. Sesana , A. Kamble

Study of gravitational-radiation induced merging rates of relativistic binary stars (double neutron stars; neutron star + black hole; double black holes) shows that the first-generation gravitational wave interferometers with an…

Astrophysics · Physics 2016-08-30 V. M. Lipunov , K. A. Postnov , M. E. Prokhorov

We introduce an efficient and straightforward technique for rapidly detecting gravitational waves from compact binary mergers. We show that this method achieves the low latencies required to alert electromagnetic partners of candidate…

General Relativity and Quantum Cosmology · Physics 2018-08-08 Alexander H. Nitz , Tito Dal Canton , Derek Davis , Steven Reyes

A leading candidate source of detectable gravitational waves is the inspiral and merger of pairs of stellar-mass compact objects. The advanced LIGO and advanced Virgo detectors will allow scientists to detect inspiral signals from more…

General Relativity and Quantum Cosmology · Physics 2012-03-06 Alessandro Manzotti , Alexander Dietz

We introduce deep learning time-series forecasting for gravitational wave detection of binary neutron star mergers. This method enables the identification of these signals in real advanced LIGO data up to 30 seconds before merger. When…

General Relativity and Quantum Cosmology · Physics 2021-03-09 Wei Wei , E. A. Huerta

We demonstrate that the orbital eccentricity in compact binary mergers can be used to improve their sky localization using gravitational wave observations. Existing algorithms that conduct the localizations are not optimized for eccentric…

General Relativity and Quantum Cosmology · Physics 2026-02-10 Souradeep Pal

The coalescence of compact binaries containing neutron stars or black holes is one of the most promising signals for advanced ground-based laser interferometer gravitational-wave detectors, with the first direct detections expected over the…

High Energy Astrophysical Phenomena · Physics 2015-09-02 Simon Stevenson , Frank Ohme , Stephen Fairhurst

This work characterises the sky localization and early warning performance of networks of third generation gravitational wave detectors, consisting of different combinations of detectors with either the Einstein Telescope or Cosmic Explorer…

Instrumentation and Methods for Astrophysics · Physics 2022-02-21 Yufeng Li , Ik Siong Heng , Man Leong Chan , Chris Messenger , Xilong Fan

Searches for gravitational-wave counterparts have been going in earnest since GW170817 and the discovery of AT2017gfo. Since then, the lack of detection of other optical counterparts connected to binary neutron star or black hole - neutron…

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

The LIGO-Virgo-KAGRA (LVK) collaboration has recently made it possible for early warning alerts to be sent out, potentially before the end of the gravitational wave (GW) emission from a neutron star binary. If we get such alerts in this…

High Energy Astrophysical Phenomena · Physics 2024-06-10 Jacopo Tissino

The coalescence of massive black holes generates gravitational waves (GWs) that will be measurable by space-based detectors such as LISA to large redshifts. The spins of a binary's black holes have an important impact on its waveform.…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Ryan N. Lang , Scott A. Hughes