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SUMMARY:Hubble Ultra Deep Field 2012\, and the Cosmic History of Star Form
 ation - James Dunlop (Edinburgh)
DTSTART:20131114T163000Z
DTEND:20131114T173000Z
UID:TALK47574@talks.cam.ac.uk
CONTACT:Michele Trenti
DESCRIPTION:I will present a review of recent progress in our understandin
 g of the star-formation history of the Universe\, with special emphasis on
  how our knowledge of star formation in the first 2 billion years has been
  improved by the deepest near-infrared images obtained with the Hubble Spa
 ce Telescope (HST). After describing our current knowledge of comoving sta
 r-formation density out to redshifts z=3\, I will highlight the impact of 
 the Hubble Ultra Deep Field (HUDF) 2012 campaign\, both in discovering the
  most distant known galaxies\, and in improving our knowledge of the evolu
 tion of UV luminosity density at early times. I will then explore the exte
 nt to which these results are consistent with the requirements for cosmic 
 reionization\, and with new measurements of the growth of stellar mass den
 sity. Much of the remaining confusion and uncertainty is related to the ev
 olution of the dust properties of galaxies\, and so I will conclude with a
  discussion of our planned ALMA Cycle-1 millimetre imaging of the HUDF. Th
 is first deep ALMA mosaic should be an important step towards completing o
 ur understanding of cosmic star-formation history.\n
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4.00 pm)
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