Star formation in the outer disks of nearby galaxies NGC 2915 and M83

Sarah Bruzzese

    Research output: ThesisDoctoral Thesis

    215 Downloads (Pure)

    Abstract

    Outer-disk star formation commonly occurs in nearby spiral galaxies (∼30% of cases). However, our understanding of star formation is mostly based on observations of the brighter portions of galaxies and may not be applicable to outer-disks. I use images of young, high-mass, resolved stellar populations from the Hubble Space Telescope to probe outer-disk star formation in two galaxies NGC2915 and M83. Using these data, I develop a novel method to constrain the initial mass function, investigate the local star formation law and star formation thresholds and thus further our understanding of outer-disk star formation.
    Original languageEnglish
    QualificationDoctor of Philosophy
    Awarding Institution
    • The University of Western Australia
    Award date10 Aug 2016
    Publication statusUnpublished - 2016

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