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DTSTART;TZID=Atlantic/Canary:20130430T123000
DTEND;TZID=Atlantic/Canary:20130430T133000
UID:iactalks-488
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/488
CREATED:2013-04-30T12:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The importance of warm, AGN-driven outflows in rapidly evolving gal
 axies in the local universe 
DESCRIPTION:The importance of warm, AGN-driven outflows in rapidly evolving
  galaxies in the local universe \nDr. Javier Rodríguez Zaurín\n\nAlthoug
 h there is increasing speculation that the evolution of galaxy bulges may 
 be regulated by AGN-induced outflows associated with the growth of the cen
 tral supermassive black holes, the importance of AGN-induced outflows rela
 tive to those driven by starbursts has yet to be established observational
 ly. In this context we have recently presented a study focusing on AGN-ind
 uced outflows in a sample of local Seyftert-ULIRGs. Perhaps, our most inte
 resting result is related to the energy that the AGN returns to the galaxy
  in the form of feedback. We find that the typical mass outflows rates and
  kinetic powers of the emission line outflows are, in general, less energe
 tically significant than the neutral and molecular outflows in ULIRGs and 
 moreover, than those required today in the majority of the current hydrody
 namic simulations that include AGN feedback. However, the uncertainties in
  the existing measurements are large, and more accurate estimates of the r
 adii, densities and reddening of the outflows are required to put these re
 sults on a firmer footing.  In this context, we are using HST /ACS+STIS an
 d VLT-Xhsooter observations to accurately estimate sizes, electron densiti
 es and reddening to eventually provide the most accurate estimates of the 
 kinetic powers associated with the ionized gas. In this talk I will descri
 be in detail the results of this study focussing on testing the current si
 mulations of hierarchical galaxy evolution.
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