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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20180222T103000
DTEND;TZID=Atlantic/Canary:20180222T113000
UID:iactalks-1130
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1130
CREATED:2018-02-22T10:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Beyond the gap; do galaxies care about group dynamics?
DESCRIPTION:Beyond the gap; do galaxies care about group dynamics?\nDr. Hab
 ib Khosroshahi\n\nGalaxy groups and clusters are believed to influence gal
 axy evolution. It has been shown that the groups with early formation epoc
 h, also known as fossil groups, differ in halo and IGM properties, compare
 d to the general population of galaxy groups. However, there is a controve
 rsy over the properties of the brightest group galaxies which may have bee
 n affected by the group's dynamical state. I will focus on two properties 
 of the brightest group galaxies, the AGN activity and the stellar populati
 on. The groups with early formation epoch, or dynamically old, host under 
 luminous AGNs in radio relative to those hosted by dynamically young group
 s. There is no evidence that such a distinction exists in the stellar popu
 lation of these galaxies, leaving the debate open whether this is an obser
 vational limitation. 
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