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Title: Active galactic nuclei (M) : fueling and feedback/ Françoise Combes Dewey Class: 523.11 Author: Combes, Françoise Publication: Bristol : IOP Publishing, 2021 Physical Details: x, 120 p. : ill.; 26 cm. Series: AAS-IOP astronomy ISBN: 9780750330336 Summary Note: Almost all galaxies host in their center a supermassive black hole of mass between a million and tens of billions solar masses. Supermassive black holes grow in symbiosis with their host galaxies across the Hubble time, occasionally accreting surround matter, giving rise to an Active Galactic Nuclei (AGN). This book gives a general review of our current knowledge of AGN, powered by supermassive black holes: how they are fueled by gas (or stars) and what problems are encountered; how can we account for the wide variety of AGN, from Seyfert/Liners to quasars, and for the two types (AGN 1 and 2) either through dust obscuration, and geometrical orientation arguments, or through intrinsic activity difference, qualitative or quantitative. With modern instruments, providing high resolution and sensitivity, like ALMA in radio, or MUSE at the ESO/VLT, it is possible to unveil the interstellar medium and stars in the circumnuclear regions, discover molecular disks and tori, in the sphere of influence of the black holes. While AGN are accreting matter, they are providing so much energy that part of the surrounding gas is expelled and is observed in molecular outflows, identified as the main feedback process of AGN on their host.(provided by publisher): ------------------------------ 0000000044666 Available at SISSA General 524.7-8 COM -----------------------------------------------
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