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Tuesday, April 24 • 12:00pm - 1:30pm
Measuring Galaxy Morphologies In HST Infrared Images

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This research studies the evolution of galactic winds by correlating the properties of galaxies with the gas content of their extended halos. Given our current understanding of galactic winds, metal-rich gas should be driven from spiral galaxies in winds arising perpendicular to the disk. By taking advantage of the luminosity and stable spectrum of quasars, we can identify absorption lines from metal-rich gas in these extended halos of galaxies in the foreground of a quasar. Infrared images from the Hubble Space Telescope (HST) were critical to achieving the sensitivity and resolution that are required to study the morphologies and star formation rates of high redshift galaxies. Accurate morphological measurements were made to examine the distribution of gas around galaxies, and to test whether the shape and extent of galaxy outflows around star-forming galaxies evolves over time.


Tuesday April 24, 2018 12:00pm - 1:30pm PDT
Sherrill Center Concourse