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University of Michigan Department of Astronomy1003 Dennison Building500 Church Street Ann Arbor, MI 48109
Office Location(s): 1003 Dennison Fax: 734.763.6317 mjmil@umich.edu Research Website
BS, University of Illinois at Urbana-Champaign | Advisor: Joel Bregman
Milky Way’s hot gaseous halo
Matthew Miller examines the structural properties of the Milky Way’s hot gas halo to understand how it interacts with known components of the galaxy. Specifically, he’s examining the halo’s density profile using spectrometers on X-ray telescopes (such as Chandra, XMM-Newton, and Suzaku). These spectrometers provide absorption and emission lines whose measured “strengths” help reveal global properties of the halo, such as its mass, accretion rate, and diffuse X-ray luminosity. By analyzing these properties, Miller hopes to both clarify the role hot halos play in galaxy formation and evolution and also to address the so-called “missing baryon problem.”
Galactic-scale star formation; Fermi bubbles; X-ray diffuse background; galaxy formation/evolution.
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