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Fall 2008
Physics & Astronomy Colloquium
Room 411, Thornton Hall (unless otherwise noted)
4:05 PM (refreshments at 3:50)
[Talks in Thornton 429 begin at 4:00; refreshments at 3:45]

Brandon BrownAaron Romanowsky
University of Califronia Observatories
University of Califronia, Santa Cruz
October 6, 2008
4PM, Thornton 411
Galactic Fundamentals: Dark Matter and Dynamics
The distributions of angular momentum and mass (including baryons and dark
matter) are among the most fundamental properties of galaxies, and linked
to their modes of formation and evolution.  The largest reservoirs of
these components should be in their halos, but particularly in the major
class of elliptical galaxies, these are woefully unconstrained because of
difficulties both in obtaining suitable observational tracers, and in
dynamical modeling of the data.  The situation is being remedied with new
extensive wide-field surveys of galaxies in the nearby universe, using
tracers such as globular clusters and planetary nebulae, from which I will
present results.



Department of Physics and Astronomy
San Francisco State University
1600 Holloway
San Francisco, CA 94132-4163
physics@stars.sfsu.edu
Phone: 415-338-1659
Fax: 415-338-2178