Browsing Honours Theses by Thesis (Discipline) "Astronomy and Physics"

Browsing Honours Theses by Thesis (Discipline) "Astronomy and Physics"

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    Modelling the fragmentation of protostellar cores with ambipolar diffusion 
    MacMackin, Christopher Thomas (Halifax, N.S. : Saint Mary's University, 2015)
    Most stars are observed in multiple star systems, which are thought to result from the fragmentation of a protostellar cores as they collapse. This process has been studied extensively using numerical simulations but, to ...

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    Modelling the properties of high mass galaxies at high redshift 
    Brown, Ryan M. (Halifax, N.S. : Saint Mary's University, 2015)
    A set of galaxies observed at high redshift were modelled to investigate the star formation history and other properties of these galaxies. By the gzK Selection Technique, twelve galaxies from the Canada-France-Hawaii ...

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    Nature of the soft excess in blazar 3C273 
    Sajid, Shayaan (Halifax, N.S. : Saint Mary's University, 2020)
    The multi-epoch data involving 27 observations of the blazar 3C273 obtained over a period of 16 years from June 2000 to June 2016 in the 0.3-10 keV x-ray band is analysed. A single power-law model is fitted to the hard ...

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    On path length, beam divergence, and retroreflector size in open path FTIR spectroscopy 
    Power, Cameron (Halifax, N.S. : Saint Mary's University, 2021)
    Open-Path Fourier Transform InfraRed (OP-FTIR) spectroscopy is an established technique used to measure boundary layer trace gas concentrations, consisting of a spectrometer and a retroreflector separated by a measurement ...

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    On the hunt for dark photons : improving the tracking of vertical drift chambers 
    Linthorne, Dylan J. (Halifax, N.S. : Saint Mary's University, 2016)
    The current standard model (SM) of particle physics does not account for the dark matter (DM) presence within the universe. A theoretically proposed new force, governed by a U(1) Boson, has been an ongoing subject of ...

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    On the theory of ambipolar diffusion, with applications to astrophysical jets 
    Power, Michael Thomas (Halifax, N.S. : Saint Mary's University, 2018)
    Numerically simulated magnetohydrodynamical jets are not at all morphologically similar to most of those which are observed in nature. Jets in nature are actually quite morphologically similar to pure hydrodynamical ...

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    Performance assessment tests of multi-anode photomultiplier tube at Jefferson Lab 
    Campbell, Jessica N. A. (Halifax, N.S. : Saint Mary's University, 2013)
    In nuclear physics, photomultiplier tubes (PMTs) are used to detect scintillation light resulting from high-energy reaction products for collision events passing through detector materials. The Thomas Jefferson National ...

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    Powering a giant : using x-ray emission to determine the power source of ultraluminous infrared galaxies 
    Beanlands, Jennifer K. (Halifax, N.S. : Saint Mary's University, 2013)
    Ultraluminous Infrared Galaxies (ULIRGs) are one of the brightest sources of infrared radiation in the Universe, with luminosities upwards of 10 [superscript 12] times that of the Sun. To produce the extreme infrared ...

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    Principal component analysis of the x-ray spectra of blazars 
    Gallant, Dennis (Halifax, N.S. : Saint Mary’s University, 2018)
    Principal Component Analysis (PCA) is applied to a variety of blazars to examine X-ray spectral variability. Data from nine different objects are analysed in two ways: long-term, which examines variability trends across ...

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    Probing the x-ray and radio emission of jetted sources 
    McGrath, K. Maiti (Halifax, N.S. : Saint Mary's University, 2021)
    Five jetted sources are used in this work to probe the relationship between the X-ray and Radio emission from radio-loud active galactic nuclei. Timing techniques probing variability, light curve correlation, and power ...

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    A search for resonance states of [superscript12]Li 
    Park, Jared (Halifax, N.S. : Saint Mary's University, 2022-05-06)
    The discovery of 11Li halo nuclei structure sparked the development of research of exotic nuclei close to the neutron drip line. This includes research on 12Li which is unbound beyond the neutron drip ...

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    Search for the excited states of neutron-rich krypton isotopes 
    Roy-Garand, Sebastien (Halifax, N.S. : Saint Mary's University, 2020)
    The complex nature of nuclear structure is governed by strongly interacting nucleons. As described by the nuclear Shell Model, the building blocks of atomic nuclei, protons and neutrons, arrange themselves in discrete ...

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    Searching for the signature of a tetraneutron resonance 
    Waterfield, Conor (Halifax, N.S. : Saint Mary's University, 2021)
    Many environments in the universe give rise to conditions extreme enough to allow exotic forms of nuclear matter. Understanding how this matter interacts allows us to better understand the nuclear forces and astronomical ...

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    Simulating Hubble XDF observations for the next generation of space telescopes 
    Hellmich, Martin (Halifax, N.S. : Saint Mary's University, 2019)
    This research created spatially resolved exposure simulations for 4457 galaxies in the eXtreme Deep Field for CASTOR and WFIRST and Euclid bandwidths. This next generation of space based observatories will improve on Hubble ...

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    Spectro-photometric analysis of galaxy merger remnants with tidal features 
    Leste, Ophelie Karishma (Saint Mary's University (Halifax, N.S.), 2021)
    We use 21 208 galaxies at redshifts 0.05 < z < 0.45 with images from the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) and accompanying spectroscopic observations from the Sloan Digital Sky Survey (SDSS) to study ...

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    Spectroscopic analysis of stars in the outskirts of NGC 1851 
    Surdha, Tashveena Rani (Halifax, N.S. : Saint Mary's University, 2021)
    NGC 1851 is a peculiar globular cluster with hints of a bimodal populations of stars (possibly two different episodes of formation of stars that resulted in a small spread in the metallicity in the centre of the cluster). ...

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    Using x-ray colour-colour diagrams to study AGN variability 
    Pottie, Benjamin (Halifax, N.S. : Saint Mary's University, 2022-05-06)
    Identifying X-ray variability in active galactic nuclei (AGN) has been a longstanding issue due to spectral model degeneracies. It often occurs on timescales too short to employ regular spectral analysis, but colour-colour ...

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    An X-ray timing analysis of narrow-line and broad-line Seyfert 1 galaxies with Suzaku 
    Hollett, Angelo R. (Halifax, N.S. : Saint Mary's University, 2021)
    The Suzaku X-ray satellite has been decommissioned since 2015, leaving us with a known catalogue of observed active galactic nuclei (AGN). This work provides a timing analysis of all broad-line and narrow-line Seyfert 1 ...