Astronomy Colloquium: Steven FinkelsteinWhen: Apr. 30, 2013, 1pm - 2pm
Campus Location: Robert L. Bigelow Physics
Office/Remote Location: Conference Room
Steven Finkelstein, assistant professor of astronomy at the University of Texas, will be the featured speaker at a Department of Physics and Astronomy colloquium. His talk is titled, "Tracking Galaxy Evolution in the Early Universe with HST."
The field of high-redshift galaxy evolution has experienced an explosion over the past three years, thanks to the installation of the infrared-sensitive Wide Field Camera 3 on the Hubble Space Telescope. Finkelstein will highlight his ongoing work examining these enigmatic galaxies, first on understanding the colors of these galaxies, from which we have learned about the build-up of dust in the universe, as well as the possible presence of primordial stars. He will also show how we use these galaxies to probe the reionization of the intergalactic medium, which was likely ending around this epoch. Finally, he will discuss recent results on the luminosity functions of these distant galaxies, using the largest volume yet probed at these redshifts with the CANDELS survey.
Admission is free. No ticket required.
Name: Ken Nagamine
Office: BPB 242
Event Sponsor: Department of Physics and Astronomy
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