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Satellite dynamics in spiral galaxies with Dark Matter haloes

Peñarrubia-Garrido, Jorge

German Title: Dynamik von Satelliten in Spiralgalaxien mit Halos dunkler Materie

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Abstract

Diese Doktorarbeit analysiert die dynamische Evolution der Satelliten-Galaxien in einer, von einer massiven dunklen Korona (dunkle Materie) umgebenen Spiral-Galaxie. Die Hauptziele sind: (i) die Durchführung einer detaillierten theoretischen Analyse der dynamischen Reibung, d.h. des Prozesses, der die Verschmelzung der Satelliten verursacht und (ii) der Einfluss der Abplattung der dunken Korona auf diesen Prozess sowie deren Konsequenzen für die beobachtete Satellitenverteilung.

Translation of abstract (English)

This study analyses the dynamical evolution of satellite galaxies in spirals embedded in a Dark Matter halo. The main goals of this Thesis have been: (i) The performance of a detailed theoretical analysis of dynamical friction, the main process that leads to satellite merging into the more massive parent galaxies and (ii) the influence that the asphericity of haloes induces on this process and the possible consequences on the observational satellite distribution.

Document type: Dissertation
Supervisor: Just, Dr. Andreas
Date of thesis defense: 30 April 2003
Date Deposited: 08 May 2003 13:24
Date: 2003
Faculties / Institutes: Service facilities > Zentrum für Astronomie der Universität Heidelberg (ZAH) > ZAH: Astronomisches Rechen-Institut
DDC-classification: 530 Physics
Controlled Keywords: Satellitengalaxie, Satellitendynamik, Satellitenastronomie, Dunkle Materie
Uncontrolled Keywords: Satellite galaxies--dynamics--evolution, Dark Matter haloes
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