Monday, December 11, 2023 at 12:15 pm

JILA auditorium

Desika Narayanan, University of Florida

"A Tour of Dust in (Simulated) Galaxies"

Abstract:

Abstract: I last came to CU in 2015, and talked almost entirely about molecules in galaxies. Now I'm 8 years older, and 8 years more esoteric: 2023 Desika is going to talk all about dust! But seriously, dust is awesome. It impacts almost every astrophysical observation that you make, is a critical ingredient to thermal balance in the ISM, and is used to trace obscured star formation at all redshifts. I'll present the results from a new model for dust in galaxy simulations that we're pushing, talking about extinction, attenuation, dusty starbursts, and a super cool new model for PAHs. And, just because all the cool kids are doing it, I'll have a few side tours into ultra- high-z JWST detections, and machine learning.

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