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CATEGORIES:Galaxies Discussion Group
SUMMARY:The history of the Milky Way's bar - Jason Sanders
  (UCL)
DTSTART;TZID=Europe/London:20250214T113000
DTEND;TZID=Europe/London:20250214T123000
UID:TALK226237AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/226237
DESCRIPTION:The emergence of barred galaxies is a sensitive in
 dicator of the conditions in the early Universe. C
 urrent cosmological simulations now routinely prod
 uce realistic barred galaxies but reproducing the 
 precise distributions of morphology and properties
  remains challenging. One route to understanding h
 ow bars form and evolve is to look close to home a
 t our own Galaxy's bar. I will describe work on me
 asuring the epoch of bar formation in the Milky Wa
 y using data from Gaia and a ground-based astromet
 ric catalogue VVV/VIRAC from the VISTA telescope. 
 I will describe how the bar formation can be dated
  by studying the star formation history in the Mil
 ky Way’s nuclear stellar disc\, a central structur
 e intimately related to the bar\, and describe the
  broader implications of the derived bar formation
  epoch for the history of our Galaxy.
LOCATION:Ryle Seminar Room\, KICC + online
CONTACT:Sandro Tacchella
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