Intermediate Mass Black Holes in Star Clusters [Elektronische Ressource] : The Case of Omega Centauri (NGC 5139) / Behrang Jalali. Betreuer: Markus Kissler-Patig

Intermediate Mass Black Holesin Star Clusters:The Case of ω Centauri (NGC 5139)Behrang JalaliMunchen¨ 2011Intermediate Mass Black Holesin Star Clusters:The Case of ω Centauri (NGC 5139)Behrang JalaliDissertationan der Fakult¨at fur¨ Physikder Ludwig–Maximilians–Universit¨atMunc¨ henvorgelegt vonBehrang Jalaliaus Teheran, IranMunc¨ hen, den 3 August 2011Erstgutachter: Dr. Markus Kissler-PatigZweitgutachter: Prof. Dr. Barbara ErcolanoTag der mundlic¨ hen Prufung:¨ 28 September 2011To Ati, for everything we sharedviContentsAbstract xiiiZusammenfassung xiv1 Introduction 11.1 Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.2 Relationship of IMBHs with Formation and Evolution of Galaxies . . . . . 21.2.1 Main IMBH Formation Scenarios . . . . . . . . . . . . . . . . . . . 41.2.2 More on the Importance of IMBHs . . . . . . . . . . . . . . . . . . 81.3 Detection Methods of IMBHs in Star Clusters . . . . . . . . . . . . . . . . 91.4 Omega Centauri (NGC 5139) . . . . . . . . . . . . . . . . . . . . . . . . . 101.5 Outline of the thesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181.5.1 New Central Kinematics for ω Centauri (Chapter 2) . . . . . . . . . 181.5.2 Direct N-body Simulations of ω Centauri 3) . . . . . . . . 191.5.3 Orbit-based Models (Chapter 4) . . . . . . . . . . . . . . . . . . . . 191.5.4 Conclusions and Outlook (Chapter 5) . . . . . . . . . . . . . . . . .