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BinGraSp SIGNED

Modeling the Gravitational Spectrum of Neutron Star Binaries

Total Cost €

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EC-Contrib. €

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Partnership

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 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.

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

Project "BinGraSp" data sheet

The following table provides information about the project.

Coordinator
FRIEDRICH-SCHILLER-UNIVERSITAT JENA 

Organization address
address: FURSTENGRABEN 1
city: JENA
postcode: 7743
website: www.uni-jena.de

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

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FRIEDRICH-SCHILLER-UNIVERSITAT JENA DE (JENA) coordinator 1˙432˙301.00
2    ISTITUTO NAZIONALE DI FISICA NUCLEARE IT (FRASCATI) participant 0.00
3    UNIVERSITA DEGLI STUDI DI PARMA IT (PARMA) participant 0.00

Map

 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.

 Publications

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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