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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:4
UID:UW-Physics-Event-8280
DTSTART:20230605T150000Z
DTEND:20230605T170000Z
DTSTAMP:20260413T182249Z
LAST-MODIFIED:20230530T154333Z
LOCATION:2241 Chamberlin or https://uwmadison.zoom.us/j/92011308714?pw
 d=dW4ya1hVUGZDdzQvTEJmS3hUa2cvQT09
SUMMARY:The Magellanic Corona and its Role in the Evolution of the Mag
 ellanic Stream\, Graduate Program Event\, Scott Lucchini\, Department 
 of Physics Graduate Student
DESCRIPTION:The Magellanic System is the perfect opportunity to explor
 e many aspects of astrophysics right on our Galaxy’s doorstep. The L
 arge and Small Magellanic Clouds (LMC\, SMC) are interacting with each
  other and with the Milky Way to form the Magellanic Stream\, a multip
 hase gaseous tail of intertwined filaments trailing behind the Clouds.
  Here we can study galactic dynamics\, gas dynamics\, turbulent proces
 ses\, gas cooling and mixing\, metal transport\, and more. However\, t
 here are two outstanding mysteries as to how the Magellanic System cam
 e to be -- its large amount of ionized gas\, and the high mass of the 
 LMC. To solve both these discrepancies simultaneously\, we introduced 
 the Magellanic Corona. This warm\, ionized circumgalactic medium shoul
 d surround the LMC as it interacts with the SMC and the Milky Way. Thr
 oughout my thesis work\, I have used high-resolution numerical simulat
 ions of the formation of the Magellanic Stream to test this new model 
 including the Magellanic Corona. We can account for both the neutral a
 nd ionized components of the Stream while also reproducing the present
 -day positions and velocities of the LMC and the SMC. We have also fou
 nd a new family of orbital histories for the Clouds that result in the
  neutral Stream being significantly closer than previous models predic
 ted. The Magellanic Corona seems to be the key to the formation of the
  Magellanic Stream and has many implications throughout galaxy evoluti
 on.
URL:https://www.physics.wisc.edu/events/?id=8280
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