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Events at Physics

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Astronomy Colloquium
Low Mass Galaxies and their Gas at the Peak Epoch of Star Formation
Date: Thursday, September 22nd
Time: 3:30 pm
Place: 4421 Sterling Hall, Coffee and Cookies at 3:30 PM , Talk at 3:45 PM
Speaker: Dawn Erb, UW Milwaukee
Abstract: Because faint, low mass galaxies are numerous at high redshifts, their impact on the Universe is expected to be significant. They may host a substantial fraction of the Universe's star formation, provide many of the energetic photons needed to reionize the intergalactic medium, and affect their surroundings via powerful, starburst-driven galactic outflows. Because of their faintness, however, the properties of these galaxies are difficult to determine. I will discuss a variety of observations aimed at characterizing the physical conditions in low mass galaxies during the peak epoch of star formation, when the Universe was ~20% of its current age, with particular emphasis on the study of galactic outflows in faint galaxies.
Host: UW Astronomy Dept
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