Matthew Miller

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Matthew Miller

Graduate Student

University of Michigan Department of Astronomy
1085 S. University
Ann Arbor, MI 48109

Office Location(s): 406 West Hall
Phone: 734.615.6139
Research Website

  • About

    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.”

    Additional Interests

    Galactic-scale star formation; Fermi bubbles; X-ray diffuse background; galaxy formation/evolution.


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