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SUMMARY:The Detection of Galaxy Cluster Motions Using Data from the Atacam
 a Cosmology Telescope and BOSS - Nick Hand (University of California\, Ber
 keley)
DTSTART:20120522T153000Z
DTEND:20120522T163000Z
UID:TALK38308@talks.cam.ac.uk
CONTACT:10759
DESCRIPTION:Using microwave sky maps from the Atacama Cosmology Telescope 
 (ACT)\, the motions of galaxy clusters and groups were recently detected f
 or the first time using CMB temperature distortions due to the kinematic S
 unyaev-Zel’dovich effect.  The positions of galaxy clusters in the ACT d
 ata were identified by their constituent luminous galaxies observed by the
  Baryon Oscillation Spectroscopic Survey.  The mean pairwise momentum of t
 he objects was measured at high statistical significance.  I will discuss 
 the methodology and results of this analysis in the context of the standar
 d cosmological model and will comment on possible continuations of this an
 alysis in the future.\n
LOCATION:Martin Ryle Seminar Room\, Kavli Institute
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