TitleDisc Winds Matter : Modelling Accretion and Outflows on All Scales
Author(s)Matthews, James
PublicationCham, Springer International Publishing, 2017.
DescriptionXXXVIII, 210 p. 93 illus., 63 illus. in color : online resource
Abstract NoteThis thesis describes the application of a Monte Carlo radiative transfer code to accretion disc winds in two types of systems spanning 9 orders of magnitude in mass and size. In both cases, the results provide important new insights.??On small scales, the presence of disc winds in accreting white dwarf binary systems has long been inferred from the presence of ultraviolet absorption lines.??Here, the thesis shows that the same winds can also produce optical emission lines and a recombination continuum.??On large scales, the thesis constructs a simple model of disc winds in quasars that is capable of explaining both the observed absorption and emission signatures ??? a crucial advance that supports a disc-wind based unification scenario for quasars.??Lastly, the thesis also includes a theoretical investigation into the equivalent width distribution of the emission lines in quasars, which reveals a major challenge to all unification scenarios
ISBN,Price9783319591834
Keyword(s)1. ASTROPHYSICS 2. Astrophysics and Astroparticles 3. EBOOK 4. EBOOK - SPRINGER 5. Numerical and Computational Physics, Simulation 6. PHYSICS
Item TypeeBook
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Accession#  Call#StatusIssued ToReturn Due On Physical Location
I09351     On Shelf