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SUMMARY:High resolution spectroscopy of stars in the outskirts of the Tuca
 na II ultra-faint dwarf galaxy
DTSTART;VALUE=DATE-TIME:20230322T085500Z
DTEND;VALUE=DATE-TIME:20230322T091000Z
DTSTAMP;VALUE=DATE-TIME:20241114T092428Z
UID:indico-contribution-202@meetings.aip.de
DESCRIPTION:Speakers: Anirudh Chiti (University of Chicago)\nWe present ki
 nematics and detailed chemical abundances of stars in the outskirts (out t
 o ~8 half-light radii) of the Tucana II ultra-faint dwarf galaxy ( 10^7 so
 lar masses out to 1 kpc). Our results suggest that key factors (e.g.\, mos
 t metal-poor stars\, evidence of extended halos) in understanding the earl
 y evolution and dynamical state of these relic galaxies lie in their outsk
 irts and may have been missed by previous observational work. We demonstra
 te that detailed spectroscopic studies of individual stars in such low sur
 face brightness features are now possible.\n\nhttps://iaus379.aip.de/event
 /20/contributions/202/
LOCATION:Haus H\, Telegrafenberg
URL:https://iaus379.aip.de/event/20/contributions/202/
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