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Events on Monday, October 22nd, 2012

Plasma Physics (Physics/ECE/NE 922) Seminar
Local and global plasma response and plasma-facing component performance of the liquid lithium divertor in NSTX
Time: 12:00 pm
Place: 1310 Sterling Hall
Speaker: Michael Jaworski, Princeton Plasma Physics Laboratory
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Special Lunch Astronomy Talk
Cores, anisotrophy and (complex) rotation: the (Classical) dwarf Spheroidals
Time: 12:00 pm - 1:00 pm
Place: 4421 Sterling Hall
Speaker: Nicola Amorisco, University of Copenhagen
Abstract:

The presence of multiple stellar populations in dwarf Spheroidals has proved to be the key to advancing our understanding of their dynamical state, dark matter content, and evolutionary history. Chemo-dynamical methods use both metallicity and kinematical information from discrete spectroscopic samples to identify and disentangle any distinct sub-populations. These are then fed to dynamical analyses, which greatly benefit from the independent constraints enforced by different sub-populations. I'll review some recent results on the subject and report on the evidence for a large dark matter core in both the Sculptor and Fornax dwarf Spheroidals, on an attempt to characterize directly the orbital structure of these systems, and on the detection of a complex chemo-rotational pattern in the Fornax dwarf.
Host: Prof Elena D'onghia
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