Vorticies from low-mass planet formation in "transition discs”

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• James Owen (Imperial College London)
• Monday 06 November 2017, 14:00-15:00
• MR14, Centre for Mathematical Sciences, Wilberforce Road, Cambridge.

If you have a question about this talk, please contact Dr William Béthune.

I will describe how so-called “transition discs” are natural sites for the trapping of pebble-sized dust particles. Consequently these pebble traps are natural sites for pebble accretion. I will argue that rapid pebble accretion can lead to the disc becoming locally baroclinic and prone to the formation of anti-cyclonic vorticies. I will then sketch out an evolutionary cycle of vortex formation and destruction and relate this mechanism to the observed asymmetries in “transition discs”.

This talk is part of the DAMTP Astrophysics Seminars series.

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• MR14, Centre for Mathematical Sciences, Wilberforce Road, Cambridge
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