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A Changing-Look AGN to Be Probed by X-ray Polarimetry

Agís-González, Beatriz ; Hutsemékers, Damien ; Miniutti, Giovanni

Galaxies, 2018-06, Vol.6 (2), p.52 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
A Changing-Look AGN to Be Probed by X-ray Polarimetry
Autor: Agís-González, Beatriz ; Hutsemékers, Damien ; Miniutti, Giovanni
Assuntos: Accretion ; Active galactic nuclei ; AGN polarization ; Astronomical polarimetry ; Aérospatiale, astronomie & astrophysique ; Black holes ; Celestial bodies ; changing-look AGN ; Deposition ; Evolution ; Galactic evolution ; Galaxies ; Physical, chemical, mathematical & earth Sciences ; Physics ; Physique, chimie, mathématiques & sciences de la terre ; Space science, astronomy & astrophysics ; Spectrum analysis ; Star formation ; Stars & galaxies ; Stellar evolution ; Telescopes ; Universe ; X-ray polarization
É parte de: Galaxies, 2018-06, Vol.6 (2), p.52
Notas: scopus-id:2-s2.0-85047268294
Descrição: Active galactic nuclei (AGN) produce the highest intrinsic luminosities in the Universe from within a compact region. The central engine is thought to be powered by accretion onto a supermassive black hole. A fraction of this huge release of energy influences the evolution of the host galaxy, and in particular, star formation. Thus, AGN are key astronomical sources not only because they play an important role in the evolution of the Universe, but also because they constitute a laboratory for extreme physics. However, these objects are under the resolution limit of current telescopes. Polarimetry is a unique technique capable of providing us with information on physical AGN structures. The incoming new era of X-ray polarimetry will give us the opportunity to explore the geometry and physical processes taking place in the innermost regions of the accretion disc. Here we exploit this future powerful tool in the particular case of changing-look AGN, which are key for understanding the complexity of AGN physics.
Editor: Basel: MDPI AG
Idioma: Inglês

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A Changing-Look AGN to Be Probed by X-ray Polarimetry

Agís-González, Beatriz ; Hutsemékers, Damien ; Miniutti, Giovanni

Basel: MDPI AG

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