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UR: A Search for Dark Matter with HaloSat

9 May 2021, 16:00 UTC
UR: A Search for Dark Matter with HaloSat
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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!

Emily SilichUniversity of IowaThis guest post was written by Emily Silich. Emily is a 4th year undergraduate student at the University of Iowa studying astronomy, physics, and math. She began this research as a summer intern at NASA/GSFC, presented an overview of the project at AAS 237, and she will present the results for an undergraduate honors thesis this year. Her research mentors are Philip Kaaret (UIowa; HaloSat PI), Keith Jahoda (GSFC), and Lorella Angelini (GSFC).X-ray observations of dark matter dominated objects, like galaxies and galaxy clusters, have detected a faint, unidentified X-ray emission line near 3.5 keV. After conventional astrophysical explanations for the line were determined to be physically unlikely, the 3.5 keV line has been controversially interpreted as a secondary product of a decaying dark matter particle, as discussed in this Astrobite. Specifically, while the nature of dark matter is ...

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