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DTSTART;TZID=Europe/Rome:20230418T113000
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CREATED:20230210T064525Z
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SUMMARY:colloquium - Eilat Glikman: Understanding the role of Quasar feedback and Radio emission in red Quasars
DESCRIPTION:Observational evidence suggests that quasar activity plays an important role in regulating how \ngalaxies and their nuclear supermassive black holes grow and co-evolve\, despite their \norders-of-magnitude difference in scale. In this talk\, I will present a population of highly \nluminous dust-reddened quasars that may be the key to understanding this co-evolution. Red \nquasars are among the most intrinsically-luminous quasars in the Universe representing a \nshort-lived phase in the lifetime of a quasar\, during which their energy output (feedback) \nirrevocably impacts their host galaxy. Recent evidence has also shown that red quasars have \nenhanced radio emission\, possibly linking the formation of jets to the merger phenomenon or \nexposing a different form of feedback in these systems\, such as dusty radiation-driven winds. \nRed quasars are thus ideal laboratories for addressing fundamental questions on the co-evolution \nof black holes and their host galaxies as well as the physics of feedback. I will present \nfindings from several surveys that are uncovering this elusive population of quasars using \nvarious selection methods across the electromagnetic spectrum to probe a broad range of redshift \nand luminosity regimes.
URL:https://www.oa-roma.inaf.it/event/colloquium-eliat-glikman/
LOCATION:Aula Gratton
CATEGORIES:Seminari
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