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On 11 February 2016, the LIGO and Virgo scientific collaborations announced the first direct detection of gravitational waves, a signal caught by the LIGO interferometers on 14 September 2015, and produced by the coalescence of two…

High Energy Astrophysical Phenomena · Physics 2022-07-01 Mario Spera , Alessandro Alberto Trani , Mattia Mencagli

The promise of multi-messenger astronomy relies on the rapid detection of gravitational waves at very low latencies ($\mathcal{O}$(1\,s)) in order to maximize the amount of time available for follow-up observations. In recent years,…

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

Gravitational wave detection requires an in-depth understanding of the physical properties of gravitational wave signals, and the noise from which they are extracted. Understanding the statistical properties of noise is a complex endeavor,…

General Relativity and Quantum Cosmology · Physics 2019-12-05 Wei Wei , E. A. Huerta

Roughly every 2-10 minutes, a pair of stellar mass black holes merge somewhere in the Universe. A small fraction of these mergers are detected as individually resolvable gravitational-wave events by advanced detectors such as LIGO and…

General Relativity and Quantum Cosmology · Physics 2018-04-25 Rory Smith , Eric Thrane

The mergers of binaries containing neutron stars and stellar-mass black holes are the most promising sources for direct detection in gravitational waves by the interferometers Advanced LIGO and Virgo over the next few years. The concurrent…

High Energy Astrophysical Phenomena · Physics 2016-06-29 Rodrigo Fernández , Brian D. Metzger

The most important sources for laser-interferometric gravitational-wave detectors like LIGO or VIRGO are catastrophic events such as coalescence of a neutron-star binary. The final phase, or the last three milliseconds, of coalescence is…

Astrophysics · Physics 2007-05-23 Ken-ichi Oohara , Takashi Namamura

We study the possibility of pre-merger localization of eccentric compact binary coalescences by second-generation gravitational-wave detector networks. Gravitational waves from eccentric binaries can be regarded as a sequence of pulses,…

High Energy Astrophysical Phenomena · Physics 2017-12-27 Koutarou Kyutoku , Naoki Seto

Gravitational Waves (GWs) from coalescing binaries carry crucial information about their component sources, like mass, spin and tidal effects. This implies that the analysis of GW signals from binary neutron star mergers can offer unique…

High Energy Astrophysical Phenomena · Physics 2024-01-17 Shriya Soma , Horst Stöcker , Kai Zhou

The waveform templates of the matched filtering-based gravitational-wave search ought to cover wide range of parameters for the prosperous detection. Numerical relativity (NR) has been widely accepted as the most accurate method for…

Instrumentation and Methods for Astrophysics · Physics 2021-06-30 Joongoo Lee , Sang Hoon Oh , Kyungmin Kim , Gihyuk Cho , John J. Oh , Edwin J. Son , Hyung Mok Lee

To unlock the full spectrum of astrophysical and cosmological applications of gravitational-wave detections, it is essential to localise the associated black-hole mergers to high precision inside their host galaxies. One possible method to…

High Energy Astrophysical Phenomena · Physics 2024-05-01 Ewoud Wempe , Léon V. E. Koopmans , A. Renske A. C. Wierda , Otto Akseli Hannuksela , Chris van den Broeck

Gravitational waves emitted from the coalescence of neutron star binaries open a new window to probe matter and fundamental physics in unexplored, extreme regimes. To extract information about the supranuclear matter inside neutron stars…

General Relativity and Quantum Cosmology · Physics 2021-03-10 Tim Dietrich , Tanja Hinderer , Anuradha Samajdar

We present the prospects for the early (pre-merger) detection and localization of compact-binary coalescences using gravitational waves over the next 10 years. Early warning can enable the direct observation of the prompt and early…

High Energy Astrophysical Phenomena · Physics 2020-10-20 Alexander H. Nitz , Marlin Schäfer , Tito Dal Canton

Gravitational wave signals from coalescing compact binaries in the LIGO and Virgo interferometers are primarily detected by the template based matched filtering method. While this method is optimal for stationary and Gaussian data…

General Relativity and Quantum Cosmology · Physics 2024-09-16 Chayan Chatterjee , Karan Jani

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

Although gravitational-wave signals from exceptional low-mass compact binary coalescences, like GW170817, may carry matter signatures that differentiate the source from a binary black hole system, only one out of every eight events detected…

High Energy Astrophysical Phenomena · Physics 2020-12-02 Reed Essick , Philippe Landry

Gravitational-wave observations became commonplace in Advanced LIGO-Virgo's recently concluded third observing run. 56 non-retracted candidates were identified and publicly announced in near real time. Gravitational waves from binary…

The localization of stellar-mass binary black hole mergers using gravitational waves is critical in understanding the properties of the binaries' host galaxies, observing possible electromagnetic emission from the mergers, or using them as…

High Energy Astrophysical Phenomena · Physics 2019-08-07 K. Rainer Corley , Imre Bartos , Leo P. Singer , Andrew R. Williamson , Zoltan Haiman , Bence Kocsis , Samaya Nissanke , Zsuzsa Marka , Szabolcs Marka

Black-hole neutron-star coalescing binaries have been invoked as one of the most suitable scenario to explain the emission of short gamma-ray bursts. Indeed, if the black-hole which forms after the merger, is surrounded by a massive disk,…

General Relativity and Quantum Cosmology · Physics 2015-06-19 Andrea Maselli , Valeria Ferrari

We investigate the prospects for joint low-latency gravitational wave (GW) detection and prompt electromagnetic (EM) follow-up observations of coalescing binary neutron stars (BNSs). For BNS mergers associated with short duration gamma-ray…

High Energy Astrophysical Phenomena · Physics 2016-03-23 Q. Chu , E. J. Howell , A. Rowlinson , H. Gao , B. Zhang , S. J. Tingay , M. Boer , L. Wen