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MagBURST SIGNED

Exploding stars from first principles: MAGnetars as engines of hypernovae and gamma-ray BURSTs

Total Cost €

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EC-Contrib. €

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Partnership

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Project "MagBURST" data sheet

The following table provides information about the project.

Coordinator
COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES 

Organization address
address: RUE LEBLANC 25
city: PARIS 15
postcode: 75015
website: www.cea.fr

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 France [FR]
 Total cost 1˙500˙000 €
 EC max contribution 1˙500˙000 € (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 2017-05-01   to  2022-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES FR (PARIS 15) coordinator 1˙500˙000.00

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 Project objective

The birth of a neutron star with an extremely strong magnetic field, called a magnetar, has emerged as a promising scenario to power a variety of outstanding explosive events. This includes gamma-ray bursts, among the most luminous events observed up to high redshift and therefore useful as cosmological probes, but also supernovae with extreme kinetic energies called hypernovae and other classes of super-luminous supernovae. Simple phenomenological models, where the magnetar rotation period and magnetic field are adjusted, can explain many of these observations but lack a sound theoretical basis. The goal of this proposal is to develop an ab initio description of magnetar powered explosions in order to delineate the role they play for the production of gamma-ray bursts and super-luminous supernovae. This is urgently needed to interpret the growing diversity of explosions observed with ongoing transient surveys (iPTF, CRTS, Pan-STARRS) and in the perspective of future programs of observations such as SVOM and LSST. By using state-of-the-art numerical simulations, the following outstanding questions will be addressed: 1) What is the origin of the gigantic magnetic field observed in magnetars? The physics of the magnetic field amplification in a fast-rotating nascent neutron star will be investigated thoroughly from first principles. By developing the first global protoneutron star simulations of this amplification process, the magnetic field strength and geometry will be determined for varying rotation rates. 2) What variety of explosion paths can be explained by the birth of fast-rotating magnetars? Numerical simulations of the launch of a hypernova explosion and a relativistic GRB jet will provide the first self-consistent description of both events from a millisecond magnetar. Furthermore, the new understanding of magnetic field amplification will be used to improve the realism of these simulations.

 Publications

year authors and title journal last update
List of publications.
2019 A. Reboul-Salze, J. Guilet, R. Raynaud and M. Bugli
A GLOBAL MODEL OF THE MAGNETOROTATIONAL INSTABILITY IN PROTO-NEUTRON STARS
published pages: , ISSN: , DOI:
Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics 2020-04-15
2019 Porth, Oliver; Chatterjee, Koushik; Narayan, Ramesh; Gammie, Charles F.; Mizuno, Yosuke; Anninos, Peter; Baker, John G.; Bugli, Matteo; Chan, Chi-kwan; Davelaar, Jordy; Del Zanna, Luca; Etienne, Zachariah B.; Fragile, Chris P.; Kelly, Bernard J.; Liska, Matthew; Markoff, Sera; McKinney, Jonathan C.; Mishra, Bhupendra; Noble, Scott C.; Olivares, Héctor; Prather, Ben; Rezzolla, Luciano; Ryan, Benja
The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project
published pages: 26, ISSN: 0067-0049, DOI: 10.3847/1538-4365/ab29fd
Astrophys.J.Suppl. 243 (2) 2020-04-15
2020 Raphaël Raynaud, Jérôme Guilet, Hans-Thomas Janka, Thomas Gastine
Magnetar formation through a convective dynamo in protoneutron stars
published pages: eaay2732, ISSN: 2375-2548, DOI: 10.1126/sciadv.aay2732
Science Advances 6/11 2020-04-15
2017 R. Kazeroni, B. K. Krueger, J. Guilet, T. Foglizzo
THE DEVELOPMENT OF NEUTRINO-DRIVEN CONVECTION IN CORE-COLLAPSE SUPERNOVAE: 2D VS 3D
published pages: , ISSN: , DOI:
Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics 2020-04-15
2020 N Tomei, L Del Zanna, M Bugli, N Bucciantini
General relativistic magnetohydrodynamic dynamo in thick accretion disks: fully nonlinear simulations
published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/stz3146
Monthly Notices of the Royal Astronomical Society 2020-04-15
2019 V. Prat, J. Guilet, M. Vialler, E. Müller
Vertical shear mixing in stellar radiative zones
published pages: 167-173, ISSN: 1633-4760, DOI: 10.1051/eas/1982016
EAS Publications Series 82 2020-04-15
2020 M Bugli, J Guilet, M Obergaulinger, P Cerdá-Durán, M A Aloy
The impact of non-dipolar magnetic fields in core-collapse supernovae
published pages: 58-71, ISSN: 0035-8711, DOI: 10.1093/mnras/stz3483
Monthly Notices of the Royal Astronomical Society 492/1 2020-04-15
2017 Jérôme Guilet, Ewald Müller, Hans-Thomas Janka, Tomasz Rembiasz, Martin Obergaulinger, Pablo Cerdá-Durán, Miguel-Angel Aloy
How to form a millisecond magnetar? Magnetic field amplification in protoneutron stars
published pages: 119-124, ISSN: 1743-9213, DOI: 10.1017/S1743921317004732
Proceedings of the International Astronomical Union 12/S331 2019-02-28
2017 Jérôme Guilet, Andreas Bauswein, Oliver Just, Hans-Thomas Janka
Magnetorotational instability in neutron star mergers: impact of neutrinos
published pages: 1879-1887, ISSN: 0035-8711, DOI: 10.1093/mnras/stx1739
Monthly Notices of the Royal Astronomical Society 471/2 2019-02-28
2018 Rémi Kazeroni, Brendan K Krueger, Jérôme Guilet, Thierry Foglizzo, Daniel Pomarède
The non-linear onset of neutrino-driven convection in two- and three-dimensional core-collapse supernovae
published pages: 261-280, ISSN: 0035-8711, DOI: 10.1093/mnras/sty1742
Monthly Notices of the Royal Astronomical Society 480/1 2019-02-28
2017 M Bugli, J Guilet, E Müller, L Del Zanna, N Bucciantini, P J Montero
Papaloizou–Pringle instability suppression by the magnetorotational instability in relativistic accretion discs
published pages: 108-120, ISSN: 0035-8711, DOI: 10.1093/mnras/stx3158
Monthly Notices of the Royal Astronomical Society 475/1 2019-02-28

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