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SUMMARY:Séminaires du DPhP: The first massive black holes: recent discove
 ries and open questions [POSTPONED]
DTSTART:20261026T100000Z
DTEND:20261026T113000Z
DTSTAMP:20261028T115900Z
UID:indico-event-41072@indico.in2p3.fr
DESCRIPTION:Speakers: Marta Volonteri\n\nThe presence of massive black hol
 es in the first galaxies has been predicted theoretically for many years. 
 Until the launch of the space telescope JWST the bulk of observational dat
 a hinged on very bright sources — luminous quasars — detected about on
 e billion years after the Big Bang. Now a large number of fainter sources\
 , candidate active massive black holes\, have been identified\, some at mu
 ch earlier cosmic times. The extent of the population as well as their pec
 uliar properties in terms of spectral distribution and compactness of the 
 host galaxies challenge standard approaches. I will discuss the challenges
  of interpreting these observations and comparing them to theoretical mode
 ls.\n\nhttps://indico.in2p3.fr/event/41072/
LOCATION:CEA Paris-Saclay
URL:https://indico.in2p3.fr/event/41072/
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