Bulletin of the American Physical Society
88th Annual Meeting of the Southeastern Section of the APS
Volume 66, Number 16
Thursday–Saturday, November 18–20, 2021; University Center Club, Florida State University, Tallahassee, Florida
Session Q02: Exoplanets II |
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Chair: Theodora Karlidi, University of Central Florida Room: Pensacola |
Saturday, November 20, 2021 9:00AM - 9:30AM |
Q02.00001: Gravitational Instability and Substructure in Protoplanetary Discs Invited Speaker: Cassandra Hall In the ALMA era of observational astronomy, we are availed of a plethora of spatially resolved images of protoplanetary discs, the site of exoplanet formation. At the earliest stages of the disc lifetime, it is likely that these objects are very massive, and therefore undergo evolution primarily driven through gravitational instability. I will talk about what this means for detections and planet formation from a simulation point of view, and highlight some recent results and predictions in the field. [Preview Abstract] |
Saturday, November 20, 2021 9:30AM - 10:00AM |
Q02.00002: Hunting Planet Formation in the Act: Theory, Observation, and Machine Learning Invited Speaker: Jaehan Bae Over the last few decades, astronomers discovered more than 4,000 exoplanets orbiting around stars other than the Sun. The discovery suggests that planet formation is ubiquitous in our galaxy. However, exoplanets exhibit great diversity, raising challenging questions about planet formation processes. One of the best ways to learn about planet formation processes is to observe planets while they are forming. The task of observing young, forming planets has long been very challenging, but it has finally become possible with increasingly powerful observing facilities and techniques. In this talk, I will review recent high-resolution observations of protoplanetary disks $-$ the birthplaces of planets $-$ and introduce how these state-of-the-art observations, along with theories, numerical simulations, and machine learning, can help us better understand planet formation processes and planet-forming environments. [Preview Abstract] |
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