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Accrétion et éjection dans les systèmes binaires X transitoires à trous noirs : le cas de GRS 1716-249

2020

I buchi neri transienti (BHT) sono tra le sorgenti con emissione ai raggi X più luminose della galassia. Grazie all’elevato flusso in banda X e alla loro alta variabilità temporale. queste sorgenti offrono un’opportunità unica per studiare la fisica dell’accrescimento in straordinareie condizioni fisiche. I BHT mostrano episodici outburst caratterizzati da diverse luminosità in banda X e γ, diverse forme spettrali e proprietà della variabilità temporale. L’obiettivo di questa tesi è lo studio della geometria, dei meccanismi e dei processi fisici coinvolti nell’emissione del buco nero transiente GRS 716-249. Di seguito presento l’analisi spettrale e temporale delle osservazioni della GRS 171…

AccrétionTrou noir physiqueAccretionX-rays : binaries[SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph]Gamma-rays : generalRayons X : binairesgamma-rays: generalBlack hole physicsDisque d'accrétionX-rays: generalRayons X : généralstars: jetsX-rays: binariesSettore FIS/05 - Astronomia E Astrofisicaaccretion accretion discsÉtoiles : jetRayons gamma : généralStars : jetsAccretion discsX-rays : general

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