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SEQUENCE:2
UID:UW-Physics-Event-6122
DTSTART:20200924T204500Z
DTEND:20200924T223000Z
DTSTAMP:20260415T010440Z
LAST-MODIFIED:20200924T155105Z
LOCATION:Zoom meeting(see Abstract ) Coffee and tea 3:30 pm\, Talk 3:4
 5 PM
SUMMARY:Knitting Together a New 3D View of our "Milky Way Galaxy".\, A
 stronomy Colloquium\, Catherine Zucker\, Harvard CfA
DESCRIPTION:Until recently\, much of our understanding of the 3D struc
 ture of our Milky Way was based on 2D observations of stars and dust\,
  or spectral-line observations of gas. Distance measurements needed to
  turn the 2D sky into a 3D physical picture of the stars and interstel
 lar clouds that form them were few and far between. In this talk\, I w
 ill discuss how the rise of Gaia and large photometric surveys — in 
 combination with new data science and visualization techniques — are
  quickly changing the landscape. In particular\, I will show how 3D du
 st maps have received a huge distance resolution boost from Gaia\, and
  how 3D dust can be “knitted” together with velocity information f
 rom gas and young stars to render new 3D spatial-kinematic views of ou
 r solar neighborhood\, on scales of individual clouds to swaths of spi
 ral arms. On small scales\, I will present a new analysis of the 3D sp
 atial topologies of local molecular clouds. And on large scales\, I wi
 ll show how many of these clouds are connected into a 2.7-kpc-long und
 ulating structure called the Radcliffe Wave\, which redefines our unde
 rstanding of the Local Arm nearby.<br>
\nZoom Link: <br>
\nhttps://us0
 2web.zoom.us/j/88513896776?pwd=Y1JtRE1KZllxWkFTamJBSGtGdm9yQT09<br>
\n
  <br>
\n<br>
\n            Meeting ID: 885 1389 6776<br>
\n<br>
\n    
         Passcode: 713070
URL:https://www.physics.wisc.edu/events/?id=6122
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