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Colloquium Speaker: Jamie Tayar (University of Hawaii)

March 8, 2021 @ 2:00 pm - 3:00 pm

Speaker: Jamie Tayar (University of Hawaii)

Title: Stellar Physics in the Time Domain Era

Abstract: Stellar models are used for a wide range of purposes from characterizing extrasolar planets to untangling the history of our own and other galaxies. Unfortunately, there are still significant uncertainties in the physics of these models, and inconsistencies with recent observations. I will discuss how we model stellar interiors, and what that means for our ability to accurately and precisely estimate stellar parameters. I will also show that large time-domain photometric and spectroscopic surveys have significantly improved our understanding of stellar convection, rotation, and mixing in the past few years. Finally, I will discuss how this improved physical understanding impacts the utility of stellar models, including the estimation of stellar ages, and the prospects for future improvements.

Homepage: http://www.ifa.hawaii.edu/~jtayar/


March 8, 2021
2:00 pm - 3:00 pm
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Karen Lynn