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SUMMARY:New substructure in the phase-space of the Milky Way with Gaia - T
 eresa Antoja\, University of Barcelona
DTSTART:20200220T160000Z
DTEND:20200220T170000Z
UID:TALK135832@talks.cam.ac.uk
CONTACT:84961
DESCRIPTION:Thanks to the large amount of data delivered by the Gaia satel
 lite and their excellent precision\, in the last two years we have experie
 nced a vertiginous progress in the studies of our Galaxy. I will review ou
 r recent results on the substructure in the phase space of the Galaxy disk
  and halo. For the Milky Way disk\, I will talk about the discovery of une
 xpected structures in the phase-space such as the phase spiral and of the 
 ridges in the in-plane velocities\, and I will discuss how we are trying t
 o figure out whether these are consistent with the effects of internal mec
 hanisms such as the bar or the spiral arms\, or are produced by the intera
 ction with satellite galaxies. I will also present recent results on the p
 roper motion of the Sagittarius stream obtained from a blind search of pro
 per motion over-densities in the halo with Gaia data. 
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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