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SUMMARY:Co-evolution of (Proto)Planets and Substructures in Disks - Haocha
 ng Jiang (ESO)
DTSTART:20231114T130000Z
DTEND:20231114T140000Z
UID:TALK208228@talks.cam.ac.uk
CONTACT:Dr Emily Sandford
DESCRIPTION:Protoplanetary disks\, the birthplace of planets\, exhibit pro
 minent features such as bright rings and dark gaps in both continuum and l
 ine-emission maps. In my presentation\, I will introduce two perspectives 
 that establish connections between protoplanets\, disk substructures\, and
  astrochemistry.\n\nIn the context of continuum emission\, the accumulatio
 n of pebbles within these rings plays a crucial role in facilitating plane
 tesimal formation and subsequent planet assembly. Using N-body simulations
 \, we investigate the feasibility of planet formation within pebble rings 
 and explore how this mechanism can explain the presence of mature planetar
 y systems observed within debris disks\, like the ones in HR 8799.\n\nFurt
 hermore\, the presence of rings in molecular emissions also offers insight
 s into the potential circumstance of planet formation. By employing multi-
 fluid hydrodynamical simulations that consider evaporation fronts\, we sim
 ulate the process of an accreting planet locally heating its surroundings\
 , creating a gap in the disk\, and initiating Carbon photochemistry. The s
 imulation output provides a plausible explanation for certain molecular li
 ne distributions observed by ALMA.\n
LOCATION:Ryle seminar room + ONLINE - Details to be sent by email
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