Northwestern Events Calendar

Oct
15
2024

CIERA Colloquium: Phil Arras: "Debris Disks as the Origin of High-Altitude Clouds in Exoplanet Atmospheres"

When: Tuesday, October 15, 2024
11:00 AM - 12:00 PM CT

Where: 1800 Sherman Avenue, 7-600, Evanston, IL 60201 map it

Audience: Faculty/Staff - Student - Post Docs/Docs - Graduate Students

Contact: CIERA ASTROPHYSICS   (847) 491-8646

Group: Physics and Astronomy: Astronomy Seminars

Category: Academic

Description:

The entry of interplanetary dust particles into Earth’s atmosphere deposits heavy elements at high altitudes, and may be observed in both gas phase and as a cloud layer. In this talk I will discuss a model for dust accretion onto close-in exoplanets, the stopping of the dust in the upper atmosphere, and the possible signatures of the heavy elements in transmission spectra.

Phil Arras, Professor, University of Virginia

Host: Meng Sun

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