Some questions and answers from protoplanetary disk observations: machine learning, hidden rings, and fake vortices

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• Alvaro Ribas (IOA Cambridge)
• Tuesday 07 May 2024, 14:00-15:00
• MR14 DAMTP and online.

If you have a question about this talk, please contact Thomas Jannaud.

In this talk, I will discuss some results from different observations of protoplanetary disks. I will first present our work combining disk models with artificial neural networks to model observed SEDs using a statistical approach, and what we learned by applying this to disks in Taurus. I will then discuss our surprising findings when studying the nearby protoplanetary disk MP Mus with ALMA , one of the best young solar analogues which remained relatively unexplored until recently. Finally, I will propose an alternative (and simpler) explanation for some of the disk azimuthal asymmetries that ALMA has revealed, explain how we can use this to gain information about the vertical structure of disks, and provide evidence for at least a number of these asymmetries likely having a geometric origin.

This talk is part of the DAMTP Astrophysics Seminars series.

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