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UR: Understanding the Balance of Star Formation and Black Holes in Nearby Luminous Infrared Galaxies

21 Mar 2021, 16:00 UTC
UR: Understanding the Balance of Star Formation and Black Holes in Nearby Luminous Infrared Galaxies
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The Undergraduate Research series is where we feature the research that you’re doing. If you are an undergraduate that took part in an REU or similar astro research project and would like to share this on Astrobites, please check out our submission page for more details. We would also love to hear about your more general research experience!
Meredith StoneUniversity of Massachusetts, AmherstThis guest post was written by Meredith Stone. Meredith Stone is a junior (third year undergraduate) studying Astronomy and Physics at UMass Amherst. She conducted this research as an independent study with Dr. Alexandra Pope, and presented it at AAS237.To understand the evolution of galaxies from the early universe to the present day, we need to understand the balance of star formation and supermassive black hole (active galactic nucleus, or AGN) activity. These two processes drive galaxy evolution by accreting, expelling, and heating gas. In the nearby universe, one of the best populations to study this relationship is (Ultra) Luminous Infrared Galaxies, or (U)LIRGs. (U)LIRGs are defined as having a total infrared luminosity of more than 1011 L☉, and generally have high star formation rates across a range of AGN activity levels.In this work, I studied archival Spitzer/IRS ...

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