• Analysis of Radio Spectral Indices in the CHANG-ES Galaxy Sample 

      Merritt, Alison
      The spectral index of a galaxy provides insight on the processes occurring within the galaxy, and can give hints to how the cosmic ray electrons propagate through the galaxy. Band-to-band spectral index maps provide a ...
    • Dust Dynamics in the Galactic Disk-Halo Vicinity 

      Rivest, Guillaume (2007-09-27)
      We report on the dynamics of interstellar dust grains above the plane of the Milky Way. Our Galactic model closely matches its large-scale observed properties, namely the luminosity output, the gas content and distribution, ...
    • Evolving Galactic Dynamos and Fits to the Reversing Rotation Measures in Edge-On Galaxies 

      Woodfinden, Alex
      Rotation measure (RM) synthesis maps of NGC 4631 by Mora-Partiarroyo et al. (2018) show remarkable sign reversals on kpc scales as the distance from the minor axis increases in the northern halo of the galaxy. RM maps for ...
    • Gas Ejection from Spiral Galaxy Disks 

      Durelle, Jeremy Ronald (2012-01-06)
      We present the results of three proposed mechanisms for ejection of gas from a spiral arm into the halo. The mechanisms were modelled using magnetohydrodynamics (MHD) as a theoretical template. Each mechanism was run ...
    • Infrared Observations of the Spiral Galaxy NGC 891 

      Whaley, Cynthia (2007-08-27)
      This thesis is a detailed, multi-waveband study of the inner 14 kpc of the famous spiral galaxy, NCG 891. The primary data have come from the Infrared Space Observatory's Camera. These data are images of the galaxy in 9 ...
    • Investigating the Spectral Energy Distribution within the Dwarf Irregular Galaxy IC 10 

      Parkin, Tara Jill (2008-09-15)
      We present new submillimetre images of the dwarf irregular galaxy IC 10, taken with the Submillimeter Bolometer Common-User Array, mounted on the James Clerk Maxwell Telescope. Combining this new data with archival data ...
    • An Investigation of Neutral Hydrogen in Three Edge-on Spiral Galaxies 

      Kennedy, Heather (2009-09-04)
      We present the results of a new and high sensitivity study of the neutral hydrogen (HI) gas in three early type edge-on spiral galaxies, NGC 4157, NGC 3600 and NGC 2683. All three galaxies reveal HI disks that extend nearly ...
    • A Study of the Neutral Hydrogen Content of Blue Compact Dwarf Galaxies 

      MacHattie, Jeremy (2013-10-03)
      The results of a study of the neutral hydrogen (HI) content and distribution within a sample of 18 blue compact dwarf galaxies (BCDs) are presented. An investigation of the behaviour of the gas-to-dust ratio (GDR) as a ...