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SUMMARY:Dynamics of misaligned discs in binary/multiple systems - Giuseppe
  Lodato [Milan]
DTSTART:20250203T140000Z
DTEND:20250203T150000Z
UID:TALK228046@talks.cam.ac.uk
CONTACT:Loren E. Held
DESCRIPTION:In this talk\, I will discuss the dynamics of misaligned accre
 tion discs around multiple systems\, and in particular the case of discs o
 rbiting a binary system\, in the presence of a third companion. Prototypes
  of these kind of discs are the protostellar disc surrounding GG Tau A and
  the one surrounding HD 98800. In my talk\, I will focus on two particular
  secular effects which may be at play in these systems. For the case of GG
  Tau A\, I will discuss the evolution of the shape and eccentricity of the
  disc in light of recent constraints of the system’s orbital parameters.
  For the case of HD 98800\, I will discuss the likelyhood of polar alignme
 nt of the disc with the binary orbit. Finally I will draw some general con
 clusions based on the increasing statistics about misaligned protostellar 
 discs around binaries. 
LOCATION:MR14 DAMTP and online
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