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SUMMARY:Scaling up the Milky Way
DTSTART;VALUE=DATE-TIME:20230320T154500Z
DTEND;VALUE=DATE-TIME:20230320T162500Z
DTSTAMP;VALUE=DATE-TIME:20241114T092414Z
UID:indico-contribution-289@meetings.aip.de
DESCRIPTION:Speakers: Ana Bonaca (Carnegie Observatories)\nOur Galaxy\, th
 e Milky Way\, provides us with a unique opportunity to measure the 3D shap
 e of its dark-matter halo\, thus testing the properties of the dark sector
  and the fundamental cosmological model. Until recently\, however\, these 
 efforts have been thwarted by the scarcity of observational data\, especia
 lly in the outer halo\, as well as reliance on the assumption of a dynamic
 al equilibrium\, resulting in estimates of the total Milky Way mass spanni
 ng a factor of a few. I will discuss how the 6D phase-space data from the 
 Gaia mission and ground-based surveys\, combined with novel modeling metho
 ds\, have been used to precisely map not just the Milky Way's halo at the 
 present\, but also reconstruct its accretion history.\n\nhttps://iaus379.a
 ip.de/event/20/contributions/289/
LOCATION:Haus H\, Telegrafenberg
URL:https://iaus379.aip.de/event/20/contributions/289/
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