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SUMMARY:Catching forming giant planets -- hydrodynamic simulations and obs
 ervations of the circumplanetary disks - Judit Szulagyi (ETH Zurich)
DTSTART:20171120T140000Z
DTEND:20171120T150000Z
UID:TALK84381@talks.cam.ac.uk
CONTACT:Dr. Yufeng Lin
DESCRIPTION:Recently\, younger and younger planets were detected\, often s
 till embedded in gaseous circumstellar disks. In this evolutionary phase\,
  giant planets are still accreting from their own disk\, the circumplaneta
 ry disk. This disk is the key to understand the late giant planet formatio
 n\, the satellite formation and to unveil how we can observe forming plane
 ts and what characteristics we can derive out from the data. Even though t
 here is no direct observation of the circumplanetary disk yet\, the trace 
 of hot gas around gas-giants has already been detected from near-infrared 
 emission via high contrast imaging and by H-alpha emission. The race for t
 he first firm detection is still continuing and I will present how we can 
 detect these disks with ALMA. In my talk\, I will summarize what we learne
 d about giant planet accretion and satellite formation from the newest rad
 iative hydrodynamic simulations\, and how the circumplanetary disk influen
 ces the entropy of the gas giant\, making the "hot-start" versus "cold-sta
 rt" debate even more complicated. 
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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