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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20110120T000000
DTEND;TZID=Atlantic/Canary:20110120T010000
UID:iactalks-240
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/240
CREATED:2011-01-20T00:00:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The quest for gamma-rays in clusters of galaxies: simulations and o
 bservations
DESCRIPTION:The quest for gamma-rays in clusters of galaxies: simulations a
 nd observations\nMr. Fabio Zandanel\n\nClusters of galaxies are expected t
 o contain substantial population of cosmic-rays that can yield a significa
 nt high energy emission. Moreover, as they are heavily dark matter dominat
 ed, they must be considered prime targets for gamma-ray searches for WIMP 
 decay or annihilation. I will present dark matter gamma-ray all-sky simula
 ted Fermi maps of the Local Universe. The dark matter distribution is obta
 ined from a constrained cosmological simulation provided by the CLUES proj
 ect. I will discuss the possibility for the Fermi-LAT instrument to detect
  a dark matter gamma-ray signal in extragalactic structures, mainly nearby
  clusters, in a 5-year all-sky survey and discuss our on work in progress 
 on cosmic-rays. We are also promoting a campaign of observation of the Per
 seus galaxy cluster with the MAGIC telescopes. Deep observations of nearby
  clusters with ground-based instruments are crucial to investigate the nat
 ure of dark matter as well as the possible gamma-ray emission coming from 
 cosmic-ray acceleration in these environments.
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