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SUMMARY:The formation and evolution of galaxy clusters and proto-clusters:
  Recent results from optical\, IR\, X-ray and LOFAR radio studies - Huub R
 ottgering (Leiden Observatory)
DTSTART:20141014T153000Z
DTEND:20141014T163000Z
UID:TALK54604@talks.cam.ac.uk
CONTACT:David Titterington
DESCRIPTION:Galaxy clusters are unique laboratories to study some of the m
 ost fundamental questions in astrophysics\, related to the formation and e
 volution of galaxies\, the physics of particle acceleration\, the generati
 on of magnetic fields\, the growth of large-sale structure\, and cosmology
 .\n   We will present radio\, optical and X-ray observations of diffuse ra
 dio emission from the Toothbrush and Sausage clusters that will delineate 
 how cluster merger shocks accelerate particles to relativistic speeds and 
 shape the evolution of cluster galaxies.  The ancestors of local galaxy cl
 usters (‘proto-clusters’) are powerful laboratories for tracing the em
 ergence of large scale structure and studying the evolution of galaxies in
  dense environments.\n   These structure that at z<2 virialise into massiv
 e X-ray emitting clusters.  We will present radio and Herschel observation
 s of protoclusters that characterise some of their properties.\n   Finally
 \, we present the new pan-European low frequency radio telescope LOFAR tha
 t is opening the ultra-low frequency radio sky to sensitive astronomical o
 bservations.  First results on clusters will be presented.\n
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4.00 pm)
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