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SUMMARY:Galaxies in the first billion years: the z = 6 - 12 Universe - Jam
 es Dunlop (Edinburgh)
DTSTART:20131114T163000Z
DTEND:20131114T173000Z
UID:TALK43545@talks.cam.ac.uk
CONTACT:Jay Farihi
DESCRIPTION:The Hubble Space Telescope (HST) Ultra Deep Field 2012 (UDF12)
 \, Wide Field Camera 3 (WFC3) imaging was completed in late 2012\, and pro
 vides the deepest ever imaging of the high-redshift Universe. By effective
 ly doubling the depth of the Wide Field Camera 3 near-infrared imaging in 
 the Hubble Ultra Deep Field\, and providing imaging through an additional 
 filter\, these these new data hugely enhance our knowledge of the rest-fra
 me UV properties of galaxies in the crucial redshift range z=7-10. I will 
 present the key results from this programme\, including the search for gal
 axies at z > 8.5\, the best determination to date of the evolving galaxy l
 uminosity function at z = 7 - 9\, and the first unbiased measurements of t
 he UV continuum slopes of galaxies at z=7 and z = 8. I will also compare t
 hese results with the predictions of the latest theoretical models of gala
 xy formation\, and consider the implications for our understanding of\ncos
 mic reionization. Finally I will discuss planned deep ALMA mm observations
  of the HUDF\, and briefly consider the prospects for further progress in 
 our understanding of early galaxy formation with the new\ngeneration of ne
 ar-infrared spectrographs\, the James Webb Space telescope\, and the E-ELT
 .
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4:00 pm)
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