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SUMMARY:Stellar flybys in protoplanetary discs - Vasundhara Prasad / IoA
DTSTART:20250219T131500Z
DTEND:20250219T134000Z
UID:TALK228643@talks.cam.ac.uk
CONTACT:128254
DESCRIPTION:Substructures in protoplanetary discs have long been hypothesi
 sed to act as sites of planetesimal formation\, where dust particles can c
 ollide and grow to macroscopic sizes. In this talk\, I will consider the s
 ubstructures formed when a protoplanetary disc is perturbed by an unbound 
 stellar companion (a stellar flyby). I will present the results of 3D hydr
 odynamical simulations of discs after a range of flyby encounters\, and em
 ploy a novel particle tracking algorithm to study the fate of dust particl
 es in the flyby-induced rings and spirals. Our results show that stellar f
 lybys could trigger planetesimal formation in protoplanetary discs.
LOCATION:The Hoyle Lecture Theatre + Zoom 
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