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SUMMARY:Inferring long-term variability on scales of 10^4-5 yrs using exte
 nded emission line regions
DTSTART;VALUE=DATE-TIME:20230627T084500Z
DTEND;VALUE=DATE-TIME:20230627T090000Z
DTSTAMP;VALUE=DATE-TIME:20261017T062732Z
UID:indico-contribution-816@cern.ch
DESCRIPTION:Speakers: Carolina Finlez ()\nWe present the analysis of a fiv
 e nearby AGN that present extended emission line regions (EELRs) observed 
 with the VLT/MUSE spectrograph. Spatially resolved emission line diagnosti
 cs indicate that the EELRs have been primarily photo-ionized by their AGN.
  The stellar and gas component kinematics indicate past merger or galaxy i
 nteractions that have perturbed all of these sources.\nWe generate sets of
  photo-ionization models and fit these to different regions along the diff
 erent EELRs\, covering distances of tens of kpc from the centre. These mod
 els allow us to estimate the bolometric luminosity required at different r
 adii to excite the gas at the observed state. Our results suggests a syste
 matic gradual decrease in AGN luminosity\, and hence the accretion rate on
 to the SMBH\, by a factor ∼ 100 over the past ~ 10^4 yr for every galaxy
  in the sample. This allow us to probe AGN variability on scales larger th
 an possible for human timescales.\n\nhttps://indico.unina.it/event/61/cont
 ributions/816/
LOCATION:Centro Congressi Federico II Aula Magna
URL:https://indico.unina.it/event/61/contributions/816/
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