Pals for 2016-03-07

Series: Pals
Date: Monday 07-Mar-2016
Time: 14:00-15:00
Location: CSS 1255
Speaker: Amy Steele, University of Maryland
Title: "Resolved Millimeter-Wavelength Observations of Debris Disks around Solar-Type Stars"

Debris disks are scaled up versions of the dust in the Solar System. The disk is revealed in the spectral energy distribution of the host star by the presence of excess flux at long wavelengths. Spatially resolved observations disambiguate the dust temperature and location, and can potentially reveal structures caused by dynamical processes involving planetesimals. Millimeter-wavelength observations probe large grains that are impervious to radiation pressure and are instead sensitive to gravitational forces due to planetesimals. Thus, these observations can provide dynamical information. In this talk, I will present results on a sample of debris disks around solar-type stars observed at millimeter-wavelengths and analyzed with MCMC modeling.

For further information contact Pals coordinator Dr. Silvia Protopapa at or (301)-405-2579.


Special accommodations for individuals with disabilities can be made by calling (301) 405-3001. It would be appreciated if we are notified at least one week in advance.


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