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    Disentangling star formation and AGN activity in the GAMA (G23) region 

    Unknown author (University of the Western Cape, 2021)
    Observations of galaxies at di↵erent wavelengths have shaped our understanding of their formation and evolution through time. The commonly derived parameters, such as stellar mass and star formation rate (SFR), rely on ...
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    The curious case of offset bars : markers for a baby galaxy disk or signposts of an interaction with dark matter sub halos? 

    Fortune, Marc Harris Yao (University of the Western Cape, 2016)
    We have used the Spitzer Survey of Stellar Structure in Galaxies (S⁴G) as a representative sample of the local universe (total of 2352 galaxies in S⁴G) to make a catalog of offset disk barred galaxies. Using the combined ...
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    The nature of the microjy source population 

    Ocran Emmanuel Francis (University of the Western Cape, 2015)
    The study of the faint radio universe and of its properties has recently become a very active field of research not only because of the much improved capabilities of the SKA pathfinders but also because of the need to ...
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    The effects of environment on radio-loud AGN activity in Stripe 82 

    Kolwa, Sthabile (University of the Western Cape, 2016)
    We investigate the link between environment and radiative accretion efficiency using a sample of 8946 radio-loud AGN detected at 1 − 2 GHz in the SDSS Stripe 82 region. We quantify their environments using the surface-density ...
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    A study of the angular momentum content of early-type galaxies 

    Tshiwawa, Unarine (University of the Western Cape, 2019)
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    Stellar masses of star forming galaxies in clusters 

    Randriamampandry, Solohery Mampionona (University of the Western Cape, 2010)
    We determine the stellar mass of star forming galaxies in the X-ray luminous cluster MS 0451.6-0305 at z ∼ 0.54. The stellar masses are estimated from fitting model spectral energy distributions (SEDs) to deep, optical ...
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    Luminous red galaxies in simulations 

    Ratsimbazafy, Ando Lalaina (2010)
    There have been a number of attempts to measure the expansion rate of the Universe using age-dating of Luminous Red Galaxies (LRGs).Assuming stars in LRGs form at the same time, age-dating of two populations of LRGs at ...
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    Cosmology with next generation radio telescopes 

    Witzemann, Amadeus (University of the Western Cape, 2019)
    The next generation of radio telescopes will revolutionize cosmology by providing large three-dimensional surveys of the universe. This work presents forecasts using the technique 21cm intensity mapping (IM) combined ...
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    A multi-scale study of the star formation law in nearby galaxies 

    Isaacs, Narusha (University of the Western Cape, 2020)
    This research aimed to evaluate the effects of changing length-scales on the star formation laws and star formation efficiencies for our selected sample of galaxies. We have combined high-resolution Hi data from The Hi ...
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    Probing large-scale structure with the SKAO and other cosmological surveys 

    Viljoen, Jan-Albert (University of the Western Cape, 2022)
    In recent history there have been several advances in cosmology, which has significantly shaped our understanding of the Universe. The current leading theory is called ΛCDM, which can successfully model the expansion of ...
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    AuthorFortune, Marc Harris Yao (1)Isaacs, Narusha (1)Kolwa, Sthabile (1)Marubini, Takalani (1)Ocran Emmanuel Francis (1)Randriamampandry, Solohery Mampionona (1)Ratsimbazafy, Ando Lalaina (1)Tshiwawa, Unarine (1)Viljoen, Jan-Albert (1)Witzemann, Amadeus (1)Subject
    Galaxies (11)
    Astronomy (2)Early-type galaxies (2)Galaxies--Evolution (2)Galaxy evolution (2)Radiation (2)Star formation (2)Star forming galaxies (2)Accretion-disk physics (1)Active galactic nuclei (1)... View MoreDate Issued2020 - 2022 (4)2010 - 2019 (7)Has File(s)
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