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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20181204T103000
DTEND;TZID=Atlantic/Canary:20181204T113000
UID:iactalks-1215
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1215
CREATED:2018-12-04T10:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:AGN winds, feedback and the baryon cycle in the galaxy ecosystem
DESCRIPTION:AGN winds, feedback and the baryon cycle in the galaxy ecosyste
 m\nDr. Chiara Feruglio\n\nWhy did galaxies stop forming stars? Why do blac
 k holes in galactic nuclei have masses proportional to bulge masses? What 
 are the physical mechanisms leading the transition from gas-rich, star-for
 ming galaxies, to red gas-deprived passive galaxies? Theoretical models pr
 edict that AGN should play a major role in this co-evolution, by driving s
 uper winds that are eventually able to remove gas from galaxies, thus quen
 ching star-formation and preventing them from over growing.  Tod
 ay’s flagship Instruments - like ALMA and MUSE/VLT - allow to routin
 ely detect AGN-driven massive winds, and to spatially resolve and measure 
 their main parameters. AGN driven galactic winds seem a widespread feature
  in AGN host galaxies in the local universe, with mounting numbers also in
  the distant universe.  But questions arise about their net impa
 ct on the surrounding ISM, on the relative importance of quenching versus 
 stimulating star-formation, on the removal of the gas reservoirs from the 
 disks of the host galaxies. Do we really understand the interplay of 
 these AGN super-winds with the ISM of the host galaxy, and -perhaps more i
 mportantly- with the entire AGN/host galaxy/circum-galactic medium (CGM) e
 cosystem? I will discuss both observational and theoretical recent results
  on this topic - and highlight possible strategies to progress. 
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