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SUMMARY:Galaxy collisions and the missing satellite problem in the cold da
 rk matter model
DTSTART;VALUE=DATE-TIME:20191112T031500Z
DTEND;VALUE=DATE-TIME:20191112T031600Z
DTSTAMP;VALUE=DATE-TIME:20250110T182823Z
UID:indico-contribution-1564@indico.icrr.u-tokyo.ac.jp
DESCRIPTION:Speakers: Masao Mori (University of Tsukuba)\nCold dark matter
  (CDM) cosmology is the standard paradigm of structure formation in the un
 iverse. However\, it has several unsolved severe problems. The missing sat
 ellites problem refers to the overabundance of theoretically predicted CDM
  subhalos compared to observed satellite galaxies in the Local Group. The 
 most popular interpretation is that the small dark matter halos have extre
 mely inefficient star-forming history. In this study\, we investigate the 
 possible existence of the stellar deficient CDM halos using large scale nu
 merical simulations for galaxy collisions between a CDM subhalo and a dwar
 f galaxy in the Local Group.\n\nhttps://indico.icrr.u-tokyo.ac.jp/event/25
 9/contributions/1564/
LOCATION:The University of Tokyo\, Kashiwa Campus
URL:https://indico.icrr.u-tokyo.ac.jp/event/259/contributions/1564/
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