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HEP Journal Club Seminar
The Dynamic Local Universe: New insight into the Milky Way-M31 Orbit
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Pacific/Honolulu
Room 112 (Watanabe Hall)
Room 112
Watanabe Hall
32
Description
New three-dimensional measurements of the positions and velocities of stars, in particular from the Gaia observatory, have provided unprecedented information on the dynamics of the Milky Way and Local Group of galaxies. In this talk I will focus on the implications of these measurements for the formation and evolution of the Milky Way, M31, and the Local Group, and discuss the connection to larger scale cosmological measurements and the nature of dark matter. I will discuss what we can expect from future Gaia data and astrometric observations.