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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20150629T123000
DTEND;TZID=Atlantic/Canary:20150629T133000
UID:iactalks-795
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/795
CREATED:2015-06-29T12:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The Scaling Relations of Cluster Galaxies 
DESCRIPTION:The Scaling Relations of Cluster Galaxies \nDr. Nathalie Ouelle
 tte\n\nMajor tests of cosmological and galaxy formation models can be  con
 structed through dynamical and structural parameters of galaxies.  Towards
  this end, we present the SHIVir (Spectroscopic and H-band  Imaging of Vir
 go cluster galaxies) survey, which provides dynamical  information and ste
 llar population diagnostics for hundreds of galaxies.  We construct scalin
 g relations and dynamical profiles within the  optical radius of most gala
 xies, paying close attention to the  baryon-to-dark matter transition regi
 on and selected metrics which  reduce scatter in fundamental scaling relat
 ions. Salient results include  bimodal mass and surface brightness distrib
 utions for Virgo galaxies, a  possible bifurcation in the stellar-to-halo 
 mass relation for low-mass  galaxies, and the need for deep velocity dispe
 rsions to extract  meaningful science. Once complete, ours should be the m
 ost extensive  mass catalogue ever assembled for a galaxy cluster.
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