This book covers how Active Galactic Nuclei (AGN) are fueled by gas (or stars), how we can account for the wide variety of AGN observed, 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.
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Francoise Combes is an astrophysicist at Paris Observatory, working on galaxy formation and evolution, on dark matter models and active galactic nuclei. She has been a Professor at College de France since 2014, and a member of the French Academy of Sciences since 2004. She has been an editor for Astronomy & Astrophysics since 2003. She has received the Gold Medal of CNRS in 2020, and the L'Oreal-Unesco International award for women in Science in 2021.
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Hardcover. Condizione: new. Hardcover. Almost all galaxies host in their center a supermassiveblack hole of mass between a million and tens of billions solar masses. Supermassive black holes grow in symbiosiswith their host galaxies across the Hubble time, occasionally accretingsurround matter, giving rise to an Active Galactic Nuclei (AGN). This book gives a general review of our current knowledgeof AGN, powered by supermassive black holes: how they are fueled by gas (orstars) and what problems are encountered; how can we account for the widevariety of AGN, from Seyfert/Liners to quasars, and for the two types (AGN 1and 2) either through dust obscuration, and geometrical orientation arguments,or through intrinsic activity difference, qualitative or quantitative. Withmodern instruments, providing high resolution and sensitivity, like ALMA inradio, or MUSE at the ESO/VLT, it is possible to unveil the interstellar mediumand stars in the circumnuclear regions, discover molecular disks and tori, inthe 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 expelledand is observed in molecular outflows, identified as the main feedback processof AGN on their host.Key Features:Reviews ourcurrent knowledge of AGN, with case studies and examples of observed AGN intheir host galaxies.Discusses thelong-standing problem of AGN fueling and feedback, and proposes educatedmodels of the circum-nuclear regions, which are still difficult to resolve.Covers recentadvances in the field of AGN research provided by current astronomicalinstrumentation (e.g., ALMA, VLT).Written by aworld-leading expert in the field. This bookcovers how Active Galactic Nuclei (AGN) are fueled by gas (or stars), how wecan account for the wide variety of AGN observed, from Seyfert/Liners toquasars, and for the two types (AGN 1 and 2) either through dust obscuration,and geometrical orientation arguments, or through intrinsic activitydifference, qualitative or quantitative. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. Codice articolo 9780750330336
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