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SUMMARY:AGN-driven outflows in simulated dwarf galaxies - Sophie Koudmani
DTSTART:20190306T134500Z
DTEND:20190306T141500Z
UID:TALK120232@talks.cam.ac.uk
CONTACT:Dr George Lansbury
DESCRIPTION:The systematic analysis of optical large-scale surveys has rev
 ealed a population of dwarf galaxies hosting AGN\, which have been confirm
 ed by X-ray follow-up observations. Recently\, the MaNGA survey identified
  six dwarf galaxies that appear to have an AGN that is preventing on-going
  star formation. This discovery challenges the canonical picture of quench
 ing mechanisms where it is assumed that stellar feedback channels are sole
 ly responsible for regulating star formation in low-mass galaxies. It is t
 herefore timely to study the physical properties of dwarf galaxies\, in pa
 rticular whether the presence of an AGN can affect their evolution. Using 
 the moving mesh code AREPO\, I have investigated different models of AGN a
 ctivity\, ranging from simple energy-driven spherical winds to collimated\
 , mass-loaded\, bipolar outflows in high resolution isolated simulations o
 f dwarf galaxies hosting an active black hole. The simulations also includ
 e a novel implementation of star formation and mechanical supernova feedba
 ck. Here I will present the results from these simulations\, focussing on 
 the impact of AGN activity on star formation and outflow properties\, and 
 I will compare the outflow kinematics to observations from MaNGA. 
LOCATION:Sackler Lecture Theatre\, IoA
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