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VERSION:2.0
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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20090116T000000
DTEND;TZID=Atlantic/Canary:20090116T010000
UID:iactalks-73
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/73
CREATED:2009-01-16T00:00:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Measurement of a large scale flow with clusters of galaxies
DESCRIPTION:Measurement of a large scale flow with clusters of galaxies\nPr
 of. Fernando Atrio Barandela\n\nPeculiar velocities of galaxies, derived u
 sing distance estimators, are plagued with systematic effects and are unre
 liable beyond 100 Mpc/h. In Kashlinsky & Atrio-Barandela (2000) we propose
 d to measure peculiar velocities of clusters of galaxies using the tempera
 ture anisotropies on the Cosmic Microwave Background generated by the hot 
 X-ray emitting. Using this technique we have recently found a bulk flow ve
 locity of amplitude 600-1000 km/s in the same direction as the CMB dipole 
 and encompassing a sphere of 300 Mpc/h radius. We shall discuss the cosmol
 ogical implications of this measurement.\n\n \n\n
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