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SUMMARY:The birth of giants: quasars and their host galaxies in the reioni
 sation epoch - Bram Venemans (MPIA)
DTSTART:20180201T160000Z
DTEND:20180201T170000Z
UID:TALK98308@talks.cam.ac.uk
CONTACT:28811
DESCRIPTION:Quasars are the brightest\, non-transient objects observed at 
 the highest\nredshifts\, z>7\, which makes them unique probes of the evolu
 tion of black\nholes\, massive galaxies and the intergalactic medium: the 
 density of high\nredshift quasars puts powerful constraints on the mechani
 sms that are\nrequired to seed and grow supermassive\, >10^9 solar mass bl
 ack holes less\nthan a Gyr after the Big Bang. Detailed analysis of quasar
  spectra at\nobserved optical and near-infrared wavelengths provide unique
  information\nabout the baryonic and physical condition of the universe du
 ring the epoch\nof reionisation. And observations in the (sub)millimeter c
 an constrain the\ngas and dust content\, star formation rate and masses of
  the galaxies hosting\nthese luminous quasars. In this talk I will review 
 the recent progress in\nlocating luminous quasars in the early universe us
 ing very wide field\noptical and near-infrared surveys. I will present the
  results of various\nmulti-wavelength follow-up programmes\, focussing on 
 our recent ALMA\nobservations of the quasar host galaxies and discuss the 
 implications of the\nfindings on massive galaxy formation and cosmic reion
 isation.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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