Theses - Institute of Astronomy
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QSO Absorption Lines
(1987-02-26)The absorption lines found in the spectra of distant quasars provide a unique method of probing the physical conditions in the universe at early epochs. This thesis describes a study of the Lyman alpha forest absorption ... -
The impact of environment on the evolution of protoplanetary discs
(2016-01-01)Protoplanetary discs represent the mass reservoir for planet formation, and the chemicophysical mechanisms occurring during their lifetime sculpt the fundamental properties of the planets born within them. Historically, ... -
Galactic Structure with Giant Stars
The content of this thesis derives from three projects conducted during my Ph.D, focusing on both the Milky Way and the Magellanic Clouds. I deploy long period variables, especially Miras, as chronometers to study the ... -
Outflows and Dust in Quasars
Supermassive black holes (SMBHs) at the centres of galaxies are known to actively accrete, forming so-called `active galactic nuclei' (AGN) or `quasars'. These AGN are believed to feed back energy into their host galaxies, ...
