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  • QUARG - Larry Widrow - Main
    Research Interests Theoretical Cosmology Structure Dynamics and Evolution of Galaxies Dark Matter Large scale Structure of the Universe Primordial Magnetic Fields Research Opportunities I always welcome applications from talented students with an interest towards exploring theoretical and computational astrophysics at the MSc or PhD level Research topics range from galactic modelling and dynamics to the nature of dark matter and involve a mix of theory and numerical analysis Students are encouraged to apply prior to the Feb 15 departmental deadline though applications are always considered until all research positions are filled All students accepted into the physics program at Queen s are guaranteed full funding for two years for an MSc or four years for a PhD Please contact me widrow astro queensu ca if you have any questions Education Ph D 1988 University of Chicago Thesis Zero Modes and Anomalies in Superconducting Cosmic Strings Advisor Michael Turner B Sc 1984 Stanford University Positions 2004 present Professor Queen s University Department of Physics Engineering Physics Astronomy 1998 2003 Associate Professor Queen s University 1993 1998 Queen s National Scholar and Assistant Professor 1990 1993 Senior Research Associate Canadian Institute for Theoretical Astrophysics 1988 1990 Postdoctoral Fellow Harvard Smithsonsian Center for

    Original URL path: http://www.astro.queensu.ca/people/Larry_Widrow/main.php?pf=yes&pf=yes (2016-02-13)
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  • QUARG - Larry Widrow - Research
    around the world have set out to detect these particles as they pass through the Earth Much of my research focuses on the nature of dark matter halos What are their shapes Is dark matter smoothly distributed or clumpy What effect do dark halos have on galactic dynamics Over the past few years I have worked with John Dubinski at the University of Toronto to refine and expand a code dubbed GalactICS which builds equilibrium models for dist galaxies These models have been used extensively in simulations of galactic dynamics Studies range from simulations of bar formation to galactic mergers Recently Susan Gardner Kentucky Brian Yanny Fermilab Scott Dodelson Fermilab and Chicago Hsin Yu Chen Chicago and I presented evidence suggestive of waves in the Milky Way perpendicular to the Galactic midplane In particular we found North South asymmetries in both the number counts and bulk motions of solar neighbourhood stars using data from the SEGUE survey Other groups then found similar bulk motions in the stars of the RAVE and LAMOST surveys Our paper can be found at here Our hypothesis is that these asymmetries were caused by the interaction of the Galactic disk with a satellite galaxy or

    Original URL path: http://www.astro.queensu.ca/people/Larry_Widrow/research.php?pf=yes (2016-02-13)
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  • QUARG - Larry Widrow - Teaching
    Students Selected Publications Home General Information Meet the people Seminars Journals Club Queen s Observatory Astro Links Back to Department Back to QUARG People Larry Widrow Teaching Fall 2015 16 Physics 312 Mathematical Methods Physics 590 Honours Thesis 2007 Department

    Original URL path: http://www.astro.queensu.ca/people/Larry_Widrow/teaching.php?pf=yes (2016-02-13)
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  • QUARG - Larry Widrow - Current & Past Students
    Bauer MSc Candidate begins September 2015 N body and gasdynamical simulations of disk galaxies Current Undergraduate Students Miles Kopala Summer Research Assistant Simulations of multicomponent disk galaxies Former Graduate Students Gwen Eadie MSc 2014 now PhD candidate at McMaster Estimating the Galactic Mass Profile in the Presence of Incomplete Data David Puglielli PhD 2014 now Associate Quant Analyst at FINCAD Vancouver BC Tidal streams as a probe of the Galactic potential Nathan Deg PhD 2014 now PDF at the University of Cape Town Tidal streams as a probe of the Galactic potential Pascal Elahi PhD 2010 now PDF at the University of Sydney The slippery slope toward the bottom of the CDM Hierarchy Joseph MacMillan PhD 2006 now Senior Lecturer at UOIT Isolated Collapse of Dark Matter Halos Matthew Crosby MSc 2006 Constraining the Mass of M31 David Stiff PhD 2003 now senior manager of applied research at RiskAnalytica Dark Matter Detection and Structure Formation George Davies PhD 2002 now working in finance Production of Cosmic Vorticity and Magnetic Fields Michael Seymour MSc 2000 now system administrator at Western Union Ottawa Detecting Substructure in Dark Matter Haloes Using Wavelets and Segmentation Analysis Gilbert Holder MSc 1996 now Associate Professor and

    Original URL path: http://www.astro.queensu.ca/people/Larry_Widrow/students.php?pf=yes (2016-02-13)
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  • QUARG - Larry Widrow - Publications
    Past Students Selected Publications Home General Information Meet the people Seminars Journals Club Queen s Observatory Astro Links Back to Department Back to QUARG People Larry Widrow Publications For a list of publications see NASA ADS 2007 Department of Physics

    Original URL path: http://www.astro.queensu.ca/people/Larry_Widrow/publications.php?pf=yes (2016-02-13)
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  • QUARG -- Seminars
    Infrared Survey February 08 2016 René Doyon UdM IREX Searching and Characterizing Nearby Habitable Worlds February 10 2016 Thomas Martin Université Laval Science with SITELLE February 15 2016 Remco van den Bosch MPIA Heidelberg Grand Unified Delusions of Super Massive Black Holes and their Host Galaxies February 22 2016 Mar Mezcua Université de Montréal Growing Black Holes from the First Seeds to Active Galactic Nuclei March 09 2016 Ingrid Stairs

    Original URL path: http://www.astro.queensu.ca/seminars.php?pf=yes&pf=yes&pf=yes (2016-02-13)
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  • QUARG -- Journals Club
    Lewis Queen s Queen s Galaxies infalling into groups filaments versus isotropic infall H J Martinez H Muriel V Coedan MNRAS 455 pp 127 135 2016 Stellar population constraints on the ages of galactic bars P A James S M Percival Accepted for publication in MNRAS 2016 February 01 2016 Zsolt Keszthelyi Nick Fantin RMC Queen s Queen s Massive star evolution in close binaries Conditions for homogeneous chemical evolution

    Original URL path: http://www.astro.queensu.ca/journalc.php?pf=yes&pf=yes&pf=yes (2016-02-13)
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  • QUARG -- Links
    Telescope The Gemini Observatory Mauna Kea Observatories AAT Anglo Australian Telescope ESO European Southern Observatory HST Hubble Space Telescope ING Isaac Newton Group of Telescopes Radio Telescopes DRAO Dominion Radio Astrophysical Observatory JCMT James Clerk Maxwell Telescope VLA Very Large Array VLBA Very Large Baseline Array Green Bank Telescope Local Facilities The Queen s Observatory L Observatoire du Mont Mégantic Québec Government Institutes HIA NRC Hertzberg Institute of Astrophysics CSA The Canadian Space Agency AAO Anglo Australian Observatory ESA European Space Agency JAC Joint Astronomy Center Hawaii NASA JPL STScI USA NCRA National Centre for Radio Astrophysics India NOAO National Optical Astronomy Observatories USA NRAO National Radio Astronomy Observatories USA PPARC Particle Physics Astronomy Research Council UK RGO UK Journals Publications Preprint Service xxx lanl gov ADS Abstract Search Service AJ The Astronomical Journal ApJ The Astrophysical Journal MNRAS Monthly Notices of the Royal Astronomical Society New Astronomy Icarus PASP Publications of the Astronomical Society of the Pacific PRL Physical Review Letters PRD Physical Review D Astronomical Organizations CASCA The Canadian Astronomical Society Cassiopeia RASC The Royal Astronomical Society of Canada Kingston Centre AAS The American Astronomical Society AAS Job Register ASP The Astronomical Society of the Pacific IAU The

    Original URL path: http://www.astro.queensu.ca/links.php?pf=yes&pf=yes&pf=yes (2016-02-13)
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