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Colloquium – Aleks Diamond-Stanic’s “Powerful Galactic Winds and the Gas around Galaxies”

February 23, 2023 @ 12:45 pm - 1:45 pm

Powerful Galactic Winds and the Gas around Galaxies

Abstract:
Our understanding of galaxy evolution centers around questions of how gas gets into galaxies, how it participates in star formation and black hole growth, and how it is returned to its galactic surroundings via feedback. I will present observational results for a sample of compact starburst galaxies that are driving fast outflows (at z>0.4) and for a sample of local galaxies with spatially extended outflows identified in spatially resolved spectroscopy (at z<0.1). These results have broader implications for how gas is consumed and expelled in galaxies as a function of their physical properties (e.g., stellar mass and star-formation rate), the physical limits of feedback from stellar processes in enriching the circumgalactic medium, and the observable timescales and evolution of galactic winds. I will also discuss prospects for characterizing outflows and the gas around galaxies, in both absorption and emission, using multi-wavelength spectroscopy with existing and future facilities. Aleks Diamond-Stanic, Bates

Thursday, February 23, 2023 @ 12:45 PM – 1:45 PM EST
217 Bryant Space Science Center

Details

Date:
February 23, 2023
Time:
12:45 pm - 1:45 pm
Event Category:

Venue

Dept. of Astronomy
217 Bryant Space Science Center
Gainesville, FL 32611 United States
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