English
Related papers

Related papers: Pre-merger sky localization of gravitational waves…

200 papers

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

One of the key challenges of real-time detection and parameter estimation of gravitational waves from compact binary mergers is the computational cost of conventional matched-filtering and Bayesian inference approaches. In particular, the…

Instrumentation and Methods for Astrophysics · Physics 2021-07-30 Plamen G. Krastev , Kiranjyot Gill , V. Ashley Villar , Edo Berger

We present here the latest development of a machine-learning pipeline for pre-merger alerts from gravitational waves coming from binary neutron stars. This work starts from the convolutional neural networks introduced in our previous paper…

General Relativity and Quantum Cosmology · Physics 2022-08-17 Grégory Baltus , Justin Janquart , Melissa Lopez , Harsh Narola , Jean-René Cudell

We investigate the prospects of electromagnetic follow-up observations for binary neutron star (BNS) mergers, with the help of early warnings from decihertz gravitational-wave (GW) observatories, B-DECIGO and DO-Optimal. Extending the…

High Energy Astrophysical Phenomena · Physics 2022-07-22 Yacheng Kang , Chang Liu , Lijing Shao

Within the next few years, Advanced LIGO and Virgo should detect gravitational waves from binary neutron star and neutron star-black hole mergers. These sources are also predicted to power a broad array of electromagnetic transients.…

General Relativity and Quantum Cosmology · Physics 2016-01-20 Leo P. Singer , Larry R. Price

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

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

2015 will see the first observations of Advanced LIGO and the start of the gravitational-wave (GW) advanced-detector era. One of the most promising sources for ground-based GW detectors are binary neutron-star (BNS) coalescences. In order…

High Energy Astrophysical Phenomena · Physics 2016-06-06 C P L Berry , B Farr , W M Farr , C-J Haster , I Mandel , H Middleton , L P Singer , A L Urban , A Vecchio , S Vitale , K Cannon , P B Graff , C Hanna , S Mohapatra , C Pankow , L R Price , T Sidery , J Veitch

Third-generation gravitational wave (GW) observatories such as the Einstein Telescope (ET) and Cosmic Explorer (CE) will detect hundreds of thousands of binary neutron star (BNS) mergers, reaching redshifts beyond $z\sim3$. To fully exploit…

High Energy Astrophysical Phenomena · Physics 2026-01-14 S. Bisero , S. D. Vergani , E. Loffredo , M. Branchesi , N. Hazra , U. Dupletsa , R. I. Anderson

Recent developments in deep learning techniques have offered an alternative and complementary approach to traditional matched filtering methods for the identification of gravitational wave (GW) signals. The rapid and accurate identification…

General Relativity and Quantum Cosmology · Physics 2024-11-06 Yu-Xin Wang , Shang-Jie Jin , Tian-Yang Sun , Jing-Fei Zhang , Xin Zhang

A gravitational-wave (GW) early-warning of a compact-binary coalescence event, with a sufficiently tight localisation skymap, would allow telescopes to point in the direction of the potential electromagnetic counterpart before its onset.…

High Energy Astrophysical Phenomena · Physics 2021-02-25 Mukesh Kumar Singh , Shasvath J. Kapadia , Md Arif Shaikh , Deep Chatterjee , Parameswaran Ajith

The pre-merger detection of gravitational waves from the early inspiral phase of compact binary coalescence events would allow the observation of the earlier stages of the merger in the electromagnetic band. This would significantly impact…

General Relativity and Quantum Cosmology · Physics 2024-02-08 Reem Alfaidi , Christopher Messenger

Coalescing massive black hole binaries (MBHBs) are one of primary sources for space-based gravitational wave (GW) observations. The mergers of these binaries are expected to give rise to detectable electromagnetic (EM) emissions with a…

Instrumentation and Methods for Astrophysics · Physics 2024-06-26 Wen-Hong Ruan , Zong-Kuan Guo

Binary neutron star (BNS) mergers are one of the proposed origins for both repeating and non-repeating fast radio bursts (FRBs), which associates FRBs with gravitational waves and short gamma-ray bursts (GRBs). In this work, we explore…

High Energy Astrophysical Phenomena · Physics 2020-08-18 Haoxiang Lin , Tomonori Totani

The Advanced LIGO and Virgo gravitational wave observatories have opened a new window with which to study the inspiral and mergers of binary compact objects. These observations are most powerful when coordinated with multi-messenger…

General Relativity and Quantum Cosmology · Physics 2021-10-29 Zhi-Qiang You , Gregory Ashton , Xing-Jiang Zhu , Eric Thrane , Zong-Hong Zhu

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

Stochastic gravitational waves (GWs) consist of a primordial component from early Universe processes and an astrophysical component from compact binary mergers. To detect the primordial stochastic GW background (SGWB), the astrophysical…

General Relativity and Quantum Cosmology · Physics 2025-01-08 Mingzheng Li , Jiming Yu , Zhen Pan

GWSkyNet-Multi is a machine learning model developed for classification of candidate gravitational-wave events detected by the LIGO and Virgo observatories. The model uses limited information released in the low-latency Open Public Alerts…

Instrumentation and Methods for Astrophysics · Physics 2023-08-25 Nayyer Raza , Man Leong Chan , Daryl Haggard , Ashish Mahabal , Jess McIver , Thomas C. Abbott , Eitan Buffaz , Nicholas Vieira

We present a robust and efficient methodology for parameter estimation of gravitational waves generated during the post-merger phase of binary neutron star mergers. Our approach leverages an analytic waveform model combined with empirical…

General Relativity and Quantum Cosmology · Physics 2026-01-13 Stamatis Vretinaris , Georgios Vretinaris , Christos Mermigkas , Minas Karamanis , Nikolaos Stergioulas

The space-borne gravitational-wave (GW) detectors will open a new mass and redshift regime, allowing us to observe massive black hole binaries (MBHBs) throughout the Universe. A subset of these systems is expected to produce electromagnetic…

General Relativity and Quantum Cosmology · Physics 2026-04-28 Xue-Ting Zhang , Jonathan Gair , Chris Messenger , Natalia Korsakova , Yi-Ming Hu , Hong-Yu Chen