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A multi-wavelength analysis of nearby active nuclei : probing AGN feeding and feedback

Abstract : The fuelling of super-massive black holes at the centre of galaxies and the subsequent feedback when the nucleus has become active, are among the key processes to understand the concerted growth of galaxies and black holes. The goal of this PhD work is to probe AGN feeding and feedback phenomena through the kinematic and morphology of the gas inside the central kpc, which have recently been possible due to the unprecedented ALMA spatial resolution (~0.1’’) and sensitivity. The discovery of many massive molecular outflows in the last few years has given support to constrain AGN feedback mechanisms. However, it is still difficult to distinguish the origin of the outflows, whether they are AGN-driven or starburst-driven. Since there are only a few AGN observed with high spatial resolution, we propose to select a large range of nearby AGN (Seyferts, LINERs, radio galaxies) and perform a multi-wavelength analysis of the molecular and/or atomic gas footprints.
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  • HAL Id : tel-02880646, version 1

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Anelise Audibert. A multi-wavelength analysis of nearby active nuclei : probing AGN feeding and feedback. Astrophysics [astro-ph]. Université Paris sciences et lettres, 2019. English. ⟨NNT : 2019PSLEO006⟩. ⟨tel-02880646⟩

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