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Modeling the Gravitational Spectrum of Neutron Star Binaries

Total Cost €


EC-Contrib. €






 BinGraSp project word cloud

Explore the words cloud of the BinGraSp project. It provides you a very rough idea of what is the project "BinGraSp" about.

earth    exploits    track    dramatically    coalescence    first    direct    wave    powered    building    masses    equation    body    interferometers    binary    emitted    ligo    identification    universe    star    electromagnetic    numerical    possibility    collision    theoretical    densest    waveform    constraints    stars    smallest    transients    model    binaries    start    spectrum    missing    models    times    stronger    pi    virgo    supranuclear    gamma    radii    bursts    kilonovae    time    mergers    data    simulations    observations    date    phenomena    merger    definitive    multimessenger    nonlinear    3d    combined    expertise    hence    unknown    strongest    billion    observational    signals    analytical    astrophysics    accurate    energetic    synergy    urgent    engines    ground    neutron    gravity    postmerger    framework    complete    record    gravitational    astrophysical    spins    surface    relativity    operations    precise    central    relativistic    ray    latter    sources    stages    densities   

Project "BinGraSp" data sheet

The following table provides information about the project.


Organization address
city: JENA
postcode: 7743

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 1˙432˙301 €
 EC max contribution 1˙432˙301 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2022-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The most energetic electromagnetic phenomena in the Universe are believed to be powered by the collision of two neutron stars, the smallest and densest stars on which surface gravity is about 2 billion times stronger than gravity on Earth. However, a definitive identification of neutron star mergers as central engines for short-gamma-ray bursts and kilonovae transients is possible only by direct gravitational-wave observations. The latter provide us with unique information on neutron stars' masses, radii, and spins, including the possibility to set the strongest observational constraints on the unknown equation-of-state of matter at supranuclear densities.

Neutron stars binary mergers are among the main targets for ground-based gravitational-wave interferometers like Advanced LIGO and Virgo, which start operations this year. The astrophysical data analysis of the signals emitted by these sources requires the availability of accurate waveform models, which are missing to date. Hence, the theoretical understanding of the gravitational spectrum is a necessary and urgent step for the development of a gravitational-based astrophysics in the next years.

This project aims at developing, for the first time, a precise theoretical model for the complete gravitational spectrum of neutron star binaries, including the merger and postmerger stages of the coalescence process. Building on the PI's unique expertise and track record, the proposed research exploits synergy between analytical and numerical methods in General Relativity. Results from state of the art nonlinear 3D numerical relativity simulations will be combined with the most advanced analytical framework for the relativistic two-body problem. The model developed here will be used in the first gravitational-wave observations and will dramatically impact multimessenger astrophysics.


year authors and title journal last update
List of publications.
2018 Reetika Dudi, Francesco Pannarale, Tim Dietrich, Mark Hannam, Sebastiano Bernuzzi, Frank Ohme, Bernd Brügmann
Relevance of tidal effects and post-merger dynamics for binary neutron star parameter estimation
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.98.084061
Physical Review D 98/8 2020-01-22
2019 Tim Dietrich, Sebastian Khan, Reetika Dudi, Shasvath J. Kapadia, Prayush Kumar, Alessandro Nagar, Frank Ohme, Francesco Pannarale, Anuradha Samajdar, Sebastiano Bernuzzi, Gregorio Carullo, Walter Del Pozzo, Maria Haney, Charalampos Markakis, Michael Pürrer, Gunnar Riemenschneider, Yoshinta Eka Setyawati, Ka Wa Tsang, Chris Van Den Broeck
Matter imprints in waveform models for neutron star binaries: Tidal and self-spin effects
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.024029
Physical Review D 99/2 2020-01-22
2018 Tim Dietrich, David Radice, Sebastiano Bernuzzi, Francesco Zappa, Albino Perego, Bernd Brügmann, Swami Vivekanandji Chaurasia, Reetika Dudi, Wolfgang Tichy, Maximiliano Ujevic
CoRe database of binary neutron star merger waveforms
published pages: 24LT01, ISSN: 0264-9381, DOI: 10.1088/1361-6382/aaebc0
Classical and Quantum Gravity 35/24 2020-01-22
2018 Alessandro Nagar, Sebastiano Bernuzzi, Walter Del Pozzo, Gunnar Riemenschneider, Sarp Akcay, Gregorio Carullo, Philipp Fleig, Stanislav Babak, Ka Wa Tsang, Marta Colleoni, Francesco Messina, Geraint Pratten, David Radice, Piero Rettegno, Michalis Agathos, Edward Fauchon-Jones, Mark Hannam, Sascha Husa, Tim Dietrich, Pablo Cerdá-Duran, José A. Font, Francesco Pannarale, Patricia Schmidt, Thibault
Time-domain effective-one-body gravitational waveforms for coalescing compact binaries with nonprecessing spins, tides, and self-spin effects
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.98.104052
Physical Review D 98/10 2020-01-22
2019 Francesco Zappa, Sebastiano Bernuzzi, Francesco Pannarale, Michela Mapelli, Nicola Giacobbo
Black-Hole Remnants from Black-Hole–Neutron-Star Mergers
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.123.041102
Physical Review Letters 123/4 2020-01-22
2019 Francesco Messina, Reetika Dudi, Alessandro Nagar, Sebastiano Bernuzzi
Quasi-5.5PN TaylorF2 approximant for compact binaries: Point-mass phasing and impact on the tidal polarizability inference
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.124051
Physical Review D 99/12 2020-01-22
2018 David Radice, Albino Perego, Kenta Hotokezaka, Sebastiano Bernuzzi, Steven A. Fromm, Luke F. Roberts
Viscous-dynamical Ejecta from Binary Neutron Star Mergers
published pages: L35, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aaf053
The Astrophysical Journal 869/2 2020-01-22
2018 Tim Dietrich, Sebastiano Bernuzzi, Bernd Brügmann, Maximiliano Ujevic, Wolfgang Tichy
Numerical relativity simulations of precessing binary neutron star mergers
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.064002
Physical Review D 97/6 2020-01-22
2019 Sarp Akcay, Sebastiano Bernuzzi, Francesco Messina, Alessandro Nagar, Néstor Ortiz, Piero Rettegno
Effective-one-body multipolar waveform for tidally interacting binary neutron stars up to merger
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.044051
Physical Review D 99/4 2020-01-22
2018 Perego, Albino; Alfieri, Roberto; Bernuzzi, Sebastiano; Radice, David
Optimization of Finite-Differencing Kernels for Numerical Relativity Applications
published pages: , ISSN: 2079-9268, DOI: 10.20944/PREPRINTS201803.0206.V1
Journal of Low Power Electronics and Applications 8 2 (2018) 8 2020-01-22
2018 Francesco Zappa, Sebastiano Bernuzzi, David Radice, Albino Perego, Tim Dietrich
Gravitational-Wave Luminosity of Binary Neutron Stars Mergers
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.120.111101
Physical Review Letters 120/11 2020-01-22
2018 Tim Dietrich, Sebastiano Bernuzzi, Bernd Brügmann, Maximiliano Ujevic, Wolfgang Tichy
Numerical relativity simulations of precessing binary neutron star mergers
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.97.064002
Physical Review D 97/6 2020-01-22
2017 Albino Perego, David Radice, Sebastiano Bernuzzi
AT 2017gfo: An Anisotropic and Three-component Kilonova Counterpart of GW170817
published pages: L37, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aa9ab9
The Astrophysical Journal 850/2 2020-01-22
2018 David Radice, Albino Perego, Francesco Zappa, Sebastiano Bernuzzi
GW170817: Joint Constraint on the Neutron Star Equation of State from Multimessenger Observations
published pages: L29, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aaa402
The Astrophysical Journal 852/2 2020-01-22
2017 Tim Dietrich, Sebastiano Bernuzzi, Wolfgang Tichy
Closed-form tidal approximants for binary neutron star gravitational waveforms constructed from high-resolution numerical relativity simulations
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.96.121501
Physical Review D 96/12 2020-01-22

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