Present PositionAssistant Research Scientist, NASA/Goddard Space Flight Center and University of Maryland at College Park Department of Astronomy (CRESST)Brief Bio1996-present: Assistant Research Scientist, NASA/GSFC and UMD-College Park (CRESST)Fall 2002--Instructor, UMCP Department of Astronomy 1990-1996--Research Scientist, NASA/GSFC and USRA 1988-1990--Post-doctoral Research Associate, University of Colorado and NIST Joint Institute for Laboratory Astrophysics 1986-1988--Post-doctoral Research Associate, University of Cambridge Institute of Astronomy 1980-1986--Graduate Research Assistant and Teaching Assistant, UC-Santa Cruz Board of Astronomy and Astrophysics 1979-1980--Undergraduate Research Assistant, UCLA Department of Astronomy Educational Background1986 - Ph.D., Astronomy and Astrophysics, University of California, Santa Cruz (thesis title: ``Dynamics and evolution of hot gas in early type galaxies'', thesis advisor: Prof. W. G. Mathews)1980 - A.B., Astronomy, University of California, Los Angeles Research InterestsFormation, Evolution, and Structure of Galaxies and Clusters; X-ray Astronomy; Astrophysical Gasdynamics; Cosmology; Extragalactic X-ray Stellar Populations; Supermassive Black Holes and Their Evolution and Environment; Dark MatterCurrent ProjectsChemical Evolution of Elliptical Galaxies and Galaxy ClustersSukaku and XMM-Newton Spectroscopy of Elliptical Galaxies -- Thermal and Chemical Properties of the Hot ISM Chandra Constraints on X-ray Emission from Quiescent Supermassive Black Holes, and Implications of Dark Accretion for Black Hole Growth and Ultra-High Energy Cosmic Rays Low-Mass X-ray Binary Populations in Elliptical Galaxies and Their Relation to Globular Clusters Supermassive Black Hole Growth and Demographics XMM-Newton Investigation of Mass and Entropy Profiles in Groups and Clusters of Galaxies Distribution of Dark Matter in Galaxies and Galaxy Clusters, and the Nature of Dark Matter Selected Publications``On Iron Enrichment, Star Formation, and Type Ia Supernovae in Galaxy Clusters,'' M. Loewenstein 2006, ApJ, 648, 230``Intermediate Element Abundances in Galaxy Clusters;'' W. H. Baumgartner, M. Loewenstein, D. J. Horner, D. J., and R. F. Mushotzky 2005, ApJ, 620, 680 ``Nearby Quasar Remnants and Ultrahigh-Energy Cosmic Rays;'' D. Torres, E. Boldt, T. Hamilton, and M. Loewenstein 2002, Phys. Rev. D, 66, 023001 ``The X-ray Globular Cluster Population in NGC 1399,;' L. Angelini, M. Loewenstein, and R. F. Mushotzky 2001, ApJ, 557, L35 ``The Contribution of Population III to the Enrichment and Preheating of the Intracluster Medium;'' M. Loewenstein 2001, ApJ, 557, 573 ``Chandra Limits on X-Ray Emission Associated with the Supermassive Black Holes in Three Giant Elliptical Galaxies;'' M. Loewenstein, R. F. Mushotzky, L. Angelini, K. A. Arnaud, and E. Quataert 2001, ApJ, 555, L21 ``Cosmic Ray Generation by Quasar Remnants: Constraints and Implications;'' E. Boldt, and M.Loewenstein 2000, MNRAS, 316, L29 ``Heating of Intergalactic Gas and Cluster Scaling Relations;'' M. Loewenstein 2000, ApJ, 532, 17 ``Prevalence and Properties of Dark Matter in Elliptical Galaxies;'' M. Loewenstein, and R. E. White III 1999, ApJ, 518, 50 ``On the Nature of the X-ray Emission from M32;'' M. Loewenstein, K. Hayshida, T. Toneri, and D. S. Davis 1998, ApJ, 497, 681 ``Supernovae Types Ia/II and Intracluster Medium Enrichment;'' B. K. Gibson, M. Loewenstein, and R. F. Mushotzky 1997, MNRAS, 290, 623 ``Lack of Evolution in the Iron Abundance in Clusters of Galaxies and Implications for the Global Star Formation Rate at High Redshift;'' R. F. Mushotzky, and M. Loewenstein 1997, ApJ, 481, L63``The Mass of Abell 1060 and AWM 7 from Spatially Resolved X-ray Spectroscopy: Variations in Baryon Fraction,'' M. Loewenstein, and R. F. Mushotzky 1996, ApJ, 471, L83 ``Measurement of the Elemental Abundances in Four Rich Clusters of Galaxies II. The Initial Mass Function and Mass Loss in Elliptical Galaxies, Enrichment and Energetics in the ICM;'' M. Loewenstein, and R. F. Mushotzky 1996, ApJ, 466, 695 ``Measurement of the Elemental Abundances in Four Clusters of Galaxies I. Observations;'' R. F. Mushotzky, M. Loewenstein, K.A. Arnaud, T. Tamura, Y. Fukazawa, K. Matsushita, K. Kikuchi, and I. Hatsukade 1996, ApJ, 466, 686 Publications at the ADS website.
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