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#1621 : Un champ magnétique de type dynamo produit lors des fusions d'étoiles à neutrons

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Les fusions d’étoiles à neutrons sont complexes à comprendre. Une petite pièce du puzzle vient peut-être d'être résolue par une équipe d'astrophysiciens grâce à une simulation super chiadée qui permet d'expliquer comment des courts sursauts gamma peuvent être lancés par un magnétar grâce au champ magnétique de type dynamo qui est produit au moment de la collision/fusion. L'étude est publiée dans Nature Astronomy.
https://www.ca-se-passe-la-haut.fr/2024/02/un-champ-magnetique-de-type-dynamo.html

Source

A large-scale magnetic field produced by a solar-like dynamo in binary neutron star mergers
Kenta Kiuchi et al.
Nature Astronomy (15 february 2024)
https://doi.org/10.1038/s41550-024-02194-y

Illustrations

  1. Champs magnétiques produits dans un magnétar résiduel d'une fusion d'étoiles à neutrons (Kiuchi et al.)
  2. signaux électromagnétiques du magnétar obtenus dans la simulation (Kiuchi et al.)
  3. Kenta Kiuchi
  continue reading

1700 episoade

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Manage episode 402218179 series 1296652
Content provided by Eric Simon. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Eric Simon or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ro.player.fm/legal.

Les fusions d’étoiles à neutrons sont complexes à comprendre. Une petite pièce du puzzle vient peut-être d'être résolue par une équipe d'astrophysiciens grâce à une simulation super chiadée qui permet d'expliquer comment des courts sursauts gamma peuvent être lancés par un magnétar grâce au champ magnétique de type dynamo qui est produit au moment de la collision/fusion. L'étude est publiée dans Nature Astronomy.
https://www.ca-se-passe-la-haut.fr/2024/02/un-champ-magnetique-de-type-dynamo.html

Source

A large-scale magnetic field produced by a solar-like dynamo in binary neutron star mergers
Kenta Kiuchi et al.
Nature Astronomy (15 february 2024)
https://doi.org/10.1038/s41550-024-02194-y

Illustrations

  1. Champs magnétiques produits dans un magnétar résiduel d'une fusion d'étoiles à neutrons (Kiuchi et al.)
  2. signaux électromagnétiques du magnétar obtenus dans la simulation (Kiuchi et al.)
  3. Kenta Kiuchi
  continue reading

1700 episoade

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