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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20210420T123000
DTEND;TZID=Atlantic/Canary:20210420T133000
UID:iactalks-1464
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1464
CREATED:2021-04-20T12:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Gas, stars, and globular clusters in the local Universe as tracers 
 of galaxy formation and evolution, and the nature of dark matter 
DESCRIPTION:Gas, stars, and globular clusters in the local Universe as trac
 ers of galaxy formation and evolution, and the nature of dark matter \nDr.
  Sebastian Trujillo Gomez\n\nIn this talk I will discuss how the stellar, 
 globular cluster (GC), and gas components of galaxies allow us to trace th
 e assembly of galaxies and their dark matter (DM) haloes, and how they con
 strain the complex physics of galaxy formation. I will use examples from t
 hree studies: in the first one, I will describe how the study of the phase
 -space distribution of the MW GC system using Gaia in the context of the E
 -MOSAICS simulations provides a detailed quantitative picture of the forma
 tion of the Galaxy. In the second example, I will show how the unusual GC 
 populations in galaxies like the infamous NGC1052-DF2 and DF4 can be used 
 to rewind the clock and obtain a snapshot of their galactic progenitors at
  cosmic noon. A simple model of star cluster formation points to an extrem
 ely dense birth environment and strong structural evolution, providing clu
 es of the effect of clustered star formation on galaxy evolution. In the l
 ast part I will describe a follow-up study of the impact of clustered star
  formation on galaxy structure that provides clues on the origin of ultra-
 diffuse galaxies (UDGs), which are difficult to explain in the current par
 adigm of galaxy formation. I will show how anchoring an analytical model o
 n galaxy scaling relations and numerical simulations predicts the emergenc
 e of UDGs that lack DM driven by clustered feedback from young GCs.
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