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Start Date: 2/18/2013Start Time: 4:00 PM
End Date: 2/18/2013End Time: 5:00 PM

Event Description:
Astronomy Lecture entitled `Beads, Knots, and Gems: The Role of Swallowtails and Caustics in Triggering Star Formation in Interacting Galaxies', to be given by Dr. Beverly Smith of the Department of Physics and Astronomy. Interacting galaxies exhibit a wide variety of exotic star forming environments that typically are not seen in isolated galaxies. Astronomers use both analytical models and numerical simulations to understand these structures, comparing with multi-wavelength images of nearby strongly interacting galaxies. In this talk, Dr. Smith will discuss the role that caustics (narrow pile-up zones caused by orbit-crowding) and swallowtails (intersecting caustics) play in triggering star formation in interacting systems. These models can be tested with high spatial resolution images from the Hubble Space Telescope.
Location Information:
ETSU Main Campus - Brown Hall
Room: 265
Contact Information:
Name: Beverly Smith
Phone: 423-439-8418
Peculiar Galaxy Arp 305 in optical and UV, vs. a model.

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