Bradford J. Wargelin

Smithsonian Astrophysical Observatory
60 Garden Street, MS-70, Cambridge, MA 02138
bwargelin [at] cfa.harvard.edu // (617) 496-7702 // office B-305

Education

1993 Ph.D. Physics, University of California, Berkeley
1985 S.B. Physics, Massachusetts Institute of Technology

Professional History

2009 International X-ray Observatory (IXO) Science Team Associate
2008-2009 Generation-X (Gen-X) Facility Science Team: Planets, Stars, and the Galaxy
2008 Constellation-X (Con-X) Facility Science Teams: Solar System, Planet Formation, and Evolution
   • MHD Physics in Stellar Environments • Plasma Diagnostics and Atomic Astrophysics
1998-present Chandra X-Ray Center Calibration Scientist, Smithsonian Astrophysical Observatory
1993-1998 AXAF Ground Calibration Scientist, Smithsonian Astrophysical Observatory

Recent Research Awards

2013 PI, "3D Modeling of Solar Wind Charge Exchange X-ray Emission," Smithsonian Competitive Grants Program for Science
2012 PI, "Measuring Proxima Cen's Rotation Period and Possible Stellar Cycle," Swift Guest Investigator/Cycle 8
2010-2011 PI, "Chandra Deep Field-South: Solar Wind Charge Exchange and the SXRB," Chandra Archive/Cycle 12
2009-2010 PI, "Stellar Cycles and Rotation Periods of M Dwarfs," Swift Guest Investigator/Cycle 5
2009 PI, "Bridging the dMe Gap with Ross 154," XMM Guest Observer/Cycle 8
2008-2009 PI, "Solar Wind Charge Exchange and the Soft X-Ray Background," Chandra Archive/Cycle 9
2005-2008 PI, "Spectral Diagnostics of Galactic and Stellar X-Ray Charge-Exchange Emission,"
NASA Astrophysics and Physics Research and Analysis Program

General Fields of Interest

Laboratory X-ray astrophysics: High-resolution spectroscopy, electron impact excitation, charge exchange
High-energy astrophysics: Stellar coronae, solar wind charge exchange, soft X-ray background, local ISM
Solar/stellar astrophysics: Stellar cycles and winds, interaction of winds and planetary atmospheres

Selected Recent Publications

  • "Solar Wind Charge Exchange Emission in the Chandra Deep Field North,"
    J.D. Slavin, B.J. Wargelin, and D. Koutroumpa,
    Astrophys. J. 779, 13 (2013)

  • "X-Ray Flaring on the dMe Star, Ross 154,"
    B.J. Wargelin, V.L. Kashyap, J.J. Drake,
    D. García-Alvarez, and P.W. Ratzlaff,
    Astrophys. J. 676, 610 (2008)

  • "EBIT Charge-Exchange Measurements and Astrophysical Applications,"
    B.J. Wargelin, P. Beiersdorfer, and G.V. Brown,
    Can. J. Physics 86, 151 (2008)

  • "X-Rays from Solar System Bodies,"
    A. Bhardwaj, et al.,
    Planet. and Space Sci. 55, 1135 (2007)

  • "Charge Exchange Spectra of Hydrogenic and He-like Iron,"
    B.J. Wargelin, P. Beiersdorfer, P.A. Neill, R.E. Olson, and J.H. Scofield,
    Astrophys. J. 634, 687 (2005)

  • "Chandra Observations of the Dark Moon and Geocoronal Solar-Wind Charge Transfer,"
    B.J. Wargelin, M. Markevitch, M. Juda, V. Kharchenko, R. Edgar, and A. Dalgarno,
    Astrophys. J. 607, 596 (2004)