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CATEGORIES:Institute of Astronomy Seminars
SUMMARY:Connecting X-ray nuclear winds with galaxy-scale i
 onised outflows in nearby and z~1.5 quasars - Giul
 ia Tozzi
DTSTART;TZID=Europe/London:20211020T131500
DTEND;TZID=Europe/London:20211020T134500
UID:TALK162724AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/162724
DESCRIPTION:Outflows driven by active galactic nuclei (AGN) ar
 e widely accepted to have a key role in shaping th
 e evolution of the host galaxy\, but it is still d
 ebated how they are accelerated and propagated on 
 galaxy scales. The most promising ‘engines’ of lar
 ge-scale winds are the X-ray ultra-fast outflows (
 UFO)\, originating in the AGN nuclear region. In t
 his talk I will present the results from two recen
 t studies about the acceleration mechanism of AGN-
 driven winds\, aiming to specifically investigate 
 the link between UFOs and the ionised gas phase of
  large-scale outflows. I will describe how we have
  traced the ionised outflows in MUSE and SINFONI o
 bservations of two local Type-1 Seyferts and two q
 uasars at z~1.5 (i.e. close to the peak of AGN act
 ivity) respectively\, and then compare our measure
 ments with the theoretical predictions on wind pro
 pagation of models.  To put our findings in a broa
 der context\, I will finally discuss our results a
 long with those of the small sample of well-studie
 d objects\, known to host both UFOs and extended o
 utflows\, showing the good agreement of observatio
 ns with models for almost all objects.\n\n
LOCATION:The Hoyle Lecture Theatre (sign-up needed) + Zoom 
 - Details will be sent by email.
CONTACT:Hannah Uebler
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