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Dr. Ted Mackereth

Ted’s main research interests are in understanding how galaxies form and how we can use them as a tool for understanding the origin of our Universe on a broader scale. In his PhD and first postdoc at the University of Birmingham, he focused on building up a picture of the formation and evolution of our Galaxy, the Milky Way, using observational data from large scale surveys like SDSS and Gaia, and theoretical predictions from detailed simulations of large volumes of the Universe. Using these data sets, he developed a body of evidence to demonstrate that our Galaxy built its mass more quickly than its extra-Galactic siblings, causing it to be an outlier in a number of key parameters at its stellar mass.
Starting in late 2020 as a Banting-Dunlap-CITA fellow at the University of Toronto, Ted aims to extend this line of reasoning to begin placing the Milky Way on a firmer footing in an extra-Galactic context. Using state-of-the-art data and simulations, he hopes to use the high-fidelity data from the Milky Way alongside extra-Galactic observations to make robust, generalised models of galaxy formation, based on as much of the extant data as possible.
Ted’s other interests include asteroseismology, the study of oscillations in the envelopes of red-giant stars, and detailed Galactic dynamics and its ability to place constraints on the nature of dark matter. He is a member of SDSS and WEAVE collaborations, and is co-chair of the ‘Milky Way as a Galaxy’ science working group in SDSS-IV.