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Outskirts of galaxies
This book consists of invited reviews written by world-renowned experts on the subject of the outskirts of galaxies, an upcoming field which has been understudied so far. These regions are faint and hard to observe, yet hide a tremendous amount of information on the origin and early evolution of gal...
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Other Authors: | |
Format: | Electronic eBook |
Language: | English |
Published: |
[Place of publication not identified] :
Springer,
2017.
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Series: | Astrophysics and space science library.
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Physical Description: |
1 online resource. |
Subjects: | |
Online Access: | SpringerLink - Click here for access |
Contents:
- Preface; Acknowledgements; Contents; 1 Outer Regions of the Milky Way; 1.1 Introduction; 1.2 The Outer Disk of the Milky Way: Stellar Content; 1.2.1 Resolved Stellar Populations; 1.2.2 The Outer Reaches; 1.3 The Milky Way Outer Disk: Structure and Dynamics; 1.3.1 Spiral Arm Impact on Disk Dynamics and Structure; 1.3.2 The Galactic Warp and Flare; 1.3.3 Gravitational Interaction with Satellites; 1.3.4 Dynamics of the Vertical Blending and BreathingModes; 1.4 Towards a Chemodynamical Model of the Galactic Disk; 1.4.1 Age-Metallicity-Kinematics Relations; 1.4.2 The Galactic Thick Disk.
- 1.4.3 The Radial Abundance Gradients1.4.3.1 Cepheids as Tracers of Galactic Abundance Gradients ; 1.4.3.2 Recent Outcomes of the Gaia-ESO Survey; 1.4.4 The Ò̀utside-In'' Versus Ì̀nside-Out'' Disk Formation Scenarios; 1.5 Large Surveys in the Next Decade; 1.5.1 The Gaia Mission; 1.6 Conclusions; References; 2 Resolved Stellar Populations as Tracers of Outskirts; 2.1 The Importance of Haloes; 2.1.1 Resolved Stellar Populations; 2.1.2 The Low-Mass End of the Galaxy LuminosityFunction; 2.2 Local Group; 2.2.1 Milky Way; 2.2.1.1 The Emergence of Streams; 2.2.1.2 The Smooth Halo Component.
- 2.2.1.3 Dwarf Satellites2.2.2 M31 (Andromeda); 2.2.2.1 Streams and Substructures; 2.2.2.2 Smooth Halo; 2.2.2.3 Andromeda Satellites; 2.2.3 Low-Mass Galaxies In and Around the Local Group; 2.3 Beyond the Local Group; 2.3.1 Systematic Studies; 2.3.2 Panoramic Views of Individual Galaxies; 2.3.2.1 NGC 891; 2.3.2.2 M81; 2.3.2.3 NGC 253; 2.3.2.4 NGC 5128 (Centaurus A); 2.4 Summary and Future Prospects; References; 3 The Impact of Stellar Migration on Disk Outskirts; 3.1 Introduction; 3.1.1 Our Definition of Breaks; 3.2 Demographics of Profile Type; 3.2.1 The Role of Environment.
- 3.2.2 Redshift Evolution3.3 Stellar Migration; 3.3.1 Migration via Transient Spirals; 3.3.2 Multiple Patterns; 3.3.2.1 Multiple Spirals; 3.3.2.2 Corotating Spirals; 3.3.2.3 Bars and Chaotic Scattering; 3.3.2.4 Churning Versus Scattering; 3.3.3 Evidence for Migration in the Milky Way; 3.4 Type II Profiles; 3.4.1 Theoretical Models; 3.4.1.1 Star Formation Breaks; 3.4.1.2 Angular Momentum Redistribution Models; 3.4.1.3 Churning; 3.4.1.4 Insight from Cosmological Simulations; 3.4.2 Observational Tests; 3.4.2.1 Resolved Stellar Population Studies; 3.4.2.2 Spectroscopic Studies.
- 3.4.2.3 Photometric Methods3.4.3 Synthesis and Outlook; 3.5 Type I Profiles; 3.5.1 Origin of Type I Profiles in Isolated Galaxies; 3.5.2 Type I Profiles in Cluster Lenticulars; 3.6 Type III Profiles; 3.6.1 Formation of Type III Disk Profiles; 3.7 Future Prospects; References; 4 Outskirts of Nearby Disk Galaxies: Star Formation and Stellar Populations; 4.1 Introduction; 4.2 Outer Disk Structure from Collapse Models of GalaxyFormation; 4.3 Outer Disk Structure: Three Exponential Types; 4.4 Outer Disk Stellar Populations: Colour and Age Gradients; 4.5 Mono-Age Structure of Stellar Populations.