Kniha Disc Winds Matter James Matthews

Disc Winds Matter

Modelling Accretion and Outflows on All Scales

Jazyk: Angličtina
Vazba: Pevná
Dostupnost: Skladem u dodavatele
Odesíláme za 10-13 dnů
2 286
This thesis describes the application of a Monte Carlo radiative transfer code to accretion disc win...

Informace o knize

Jazyk
Angličtina
Vazba
Kniha - Pevná
Vydáno
2017
Stránek
210
EAN
9783319591827
ISBN
9783319591827
Enbook ID
16254753
Hmotnost
633
Rozměry
155 x 235 x 19

Kompletní popis

This 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.

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