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SUMMARY:Ghostly Galaxies: exploring the universe with the Dragonfly Telesc
 ope - Pieter Van Dokkum (Yale)
DTSTART:20150312T163000Z
DTEND:20150312T173000Z
UID:TALK57243@talks.cam.ac.uk
CONTACT:Simon Hodgkin
DESCRIPTION:While there have been tremendous advances in our imaging\nand 
 spectroscopic capabilities over the past decades\, the low surface\nbright
 ness sky remains relatively unexplored. The Dragonfly\nTelephoto Array was
  developed with the specific aim of detecting\nthe diffuse emission from l
 arge\, low surface brightness\nobjects and structures. The talk will discu
 ss the Dragonfly\nconcept\, and highlight recent and ongoing science proje
 cts.\nThe most striking early result from Dragonfly is the discovery of a\
 nsubstantial population of large\, diffuse galaxies in the Coma cluster.\n
 These objects are as faint as dwarf galaxies in the Local Group\nbut as la
 rge as the Milky Way. It is not yet understood how these\ngalaxies were fo
 rmed\, and how they are able to survive in the\ncluster environment.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4:00 pm)
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