Browsing Chapman, Scott by Author "Ferguson, Annette"

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  • Evidence for an accretion origin for the outer halo globular cluster system of M31 

    Mackey, Dougal, Avon Huxor, Annette Ferguson, Mike Irwin, et al. 2010. "Evidence for an accretion origin for the outer halo globular cluster system of M31." The Astrophysical Journal Letters 717(1): L11.
    We use a sample of newly-discovered globular clusters from the Pan-Andromeda Archaeological Survey (PAndAS) in combination with previously-catalogued objects to map the spatial distribution of globular clusters in the M31 ...

  • A trio of new Local Group galaxies with extreme properties 

    McConnachie, Alan, Avon Huxor, Nicolas Martin, Mike Irwin, et al. 2008. "A trio of new Local Group galaxies with extreme properties." The Astrophysical Journal 688(2): 1009-1020
    We report on the discovery of three new dwarf galaxies in the Local Group. These galaxies are found in new CFHT/MegaPrime g,i imaging of the south-western quadrant of M31, extending our extant survey area to include the ...