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SUMMARY:A leading role for supermassive black holes in galaxy evolution: f
 act or fiction?
DTSTART:20260713T093000Z
DTEND:20260713T103000Z
DTSTAMP:20260713T032300Z
UID:indico-event-1887@indico.dfa.unipd.it
CONTACT:alvio.renzini@inaf.it
DESCRIPTION:Speakers: John Silverman (IPMU)\n\n\n\nIn the local universe\,
  supermassive black holes have masses that are tightly related to the prop
 erties of their host galaxies\, often invoked to infer a physical coupling
  between the two. Hydrodynamic simulations of galaxy formation require suc
 h a link in the form of quasar/AGN-mode feedback\, for which definitive pr
 oof has been elusive. We investigate whether such physical connections are
  plausible by establishing the evolution of the mass relations over cosmic
  time with JWST\, both its intrinsic normalization and dispersion with the
  latter indicative of simple cosmic averaging\, rather than feedback. The 
 lack of evidence for direct quasar-mode feedback is supported by recent AL
 MA results showing plentiful reservoirs of star-forming gas down to a few 
 hundred parsecs from highly luminous quasars at z ~ 2. Finally\, we will u
 se newly established mass relations up to z ~ 6 to compare the expected cu
 mulative gravitational wave signal to that measured by radio pulsar timing
  efforts.\n \n\nJoin Zoom Meeting  \n \nhttps://unipd.zoom.us/j/8248288
 3288?pwd=MVvmMWSGaiVrGMyAFOdyQG61OAcI7D.1\nMeeting ID: 824 8288 3288 Pass
 code: 072472\n\n\nhttps://indico.dfa.unipd.it/event/1887/
LOCATION:Sala Jappelli (Osservatorio astronomico di Padova)
URL:https://indico.dfa.unipd.it/event/1887/
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