Observational imprints of binary evolution on B- and Be-star populations / / Julia Bodensteiner

• Record Nr.: UNINA9910633923203321
• Autore: Bodensteiner Julia
• Pubbl/distr/stampa: Cham, Switzerland : , : Springer, , [2022]; ©2022
• ISBN: 9783031194894; 9783031194887
• Descrizione fisica: 1 online resource (141 pages)
• Collana: Springer theses
• Disciplina: 523.841
• Soggetti: Accretion (Astrophysics); Be stars; Double stars - Evolution
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Supervisor's Foreword -- Preface -- Context -- Scope of This Work -- Overview -- Acknowledgements -- Contents -- Acronyms -- 1 Scientific Context -- 1.1 Introduction -- 1.2 The Evolution of Massive Stars -- 1.2.1 Uncertain Physics in Stellar Evolution Theory -- 1.2.2 Stellar Populations -- 1.3 The Effect of Binarity on Stellar Evolution -- 1.3.1 Different Binary Evolution Pathways -- 1.3.2 Observational Constraints on Initial Multiplicity Properties of Massive Stars -- 1.3.3 Predicted Occurrence and Properties of Binary Interaction Products -- 1.4 Observational Characteristics of Binary Interaction Products -- 1.5 Classical Be Stars -- 1.6 Motivation and Open Questions -- References -- 2 Spectroscopy of Massive Stars -- 2.1 Stellar Spectroscopy -- 2.2 Single-object Échelle Spectroscopy -- 2.3 Integral-Field Spectroscopy -- 2.4 Extraction of Spectra in 3D Data Cubes -- 2.5 Radial Velocity Measurements -- 2.6 Determination of Stellar Parameters -- References -- 3 On the Apparent Lack of Massive Be Stars with Main-Sequence Companions -- 3.1 Introductory Remarks -- 3.2 The Origin of the Rapid Rotation of Be Stars -- 3.3 A Literature Search for Be Stars with MS Companions -- 3.4 The Reported Multiplicity Statistics of Early-Type Be Stars -- 3.5 Possible Detection Biases in the Search for ; Be+MS Binaries -- 3.6 Be Stars as Binary Interaction Products -- References -- 4 The Post-interaction Be + Stripped Star Binary HR6819 -- 4.1 Introductory Remarks -- 4.2 The Importance of Individual Systems Like HR6819 -- 4.2.1 In the Context of Be Star Formation -- 4.2.2 In the Context of the Search for Quiescent Black Holes -- 4.3 HR 6819 as Triple System Hosting a Black Hole -- 4.4 HR 6819 as Post-interaction Binary System -- 4.4.1 Spectral Variability and the Orbit of the System -- 4.4.2 Spectral Disentangling.; 4.4.3 A Detailed Spectroscopic Analysis of HR 6819 -- 4.4.4 The Component Masses in HR 6819 -- 4.5 Revealing the Configuration of HR 6819 with Interferometry -- 4.6 A Possible Evolutionary History of HR 6819 -- 4.7 Discussion -- References -- 5 The Young Massive Small Magellanic Cloud Cluster NGC 330 Observed with MUSE -- 5.1 Introductory Remarks -- 5.2 The Search for Binary Interaction Products -- 5.3 The Young Massive SMC Cluster NGC 330 -- 5.4 Multi-epoch MUSE Spectroscopy of NGC 330 -- 5.4.1 Observations, Data Reduction and Spectral Extraction -- 5.4.2 The Stellar Content of NGC 330 -- 5.4.3 Radial Velocities, Multiplicity Criteria and the Bias Correction -- 5.4.4 The Multiplicity Properties of NGC 330 -- 5.5 Particular Systems of Interest -- 5.6 Comparison to Previous Observational Studies -- 5.6.1 Cluster Core Versus Outskirts -- 5.6.2 Comparison to Other B-star Populations -- 5.7 Comparison to Models -- 5.8 Discussion -- References -- 6 Summary and Future Work -- 6.1 Summary -- 6.2 Future Prospects -- 6.2.1 The Search for Be Stars with MS Companions -- 6.2.2 The Rotational Velocities of Cluster Stars -- 6.2.3 Binary Interaction Products at Different Cluster Ages and Different Metallicity Environments -- References -- Index.