#1519 : La géométrie de la couronne chaude de NGC 4151 déterminée par la polarisation des rayons X - Ça Se Passe Là-Haut | podCloud

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#1519 : La géométrie de la couronne chaude de NGC 4151 déterminée par la polarisation des rayons X

#1519 : La géométrie de la couronne chaude de NGC 4151 déterminée par la polarisation des rayons X

Publié le dimanche 02 juillet 2023 à 22:14 par Eric Simon

Durée : 8:13

Tags : science, astrophysique, rayons X

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Une équipe d'astrophysiciens rapporte la mesure de la polarisation des rayons X de la brillante galaxie de Seyfert NGC 4151 pour en déduire la géométrie de sa source d'émission. Elle a été observée avec le télescope spatial Imaging X-ray Polarimetry Explorer (IXPE), et complétée par des observations simultanées de XMM-Newton et NuSTAR. L'étude est publiée dans les Monthly Notices of the Royal Astronomical Society.

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Eric Simon

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