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Article Contents
- ABSTRACT
- 1. Introduction to Colliding Galaxies
- 1.1 Overview
- 1.2 Orders of Magnitude
- 1.3 Background and Early History
- 1.4 The Importance of Collisions
- 1.5 Nature's Galaxy Experiments
- 2. Some Phenomenology: What's Out There?
- 2.1 Morphological Classification of
Collisional Forms
- 2.2 Physical Classification?
- 2.3 The Naming of Things
- 3. Transient Events I: Some Wave
Morphologies and their Causes (Yxx).
- 3.1 Ring galaxies (YDe0)
- 3.2 Symmetric Caustic Waves
- 3.3 Ring relatives: Bananas, Swallows
and Others
- 3.4 From Rings to Spirals
- 3.5 Tidal Spirals and Oculars (YDx+)
- 3.6 Fan Galaxies and One Arms (YDx-)
- 3.7 Gas vs. Stars in Waves
- 4. Transient Events II: Death and
Transfiguration.
- 4.1 Transient Mass Transfer and Bridges
- 4.1.1 Splashes: Bridges and Infall
in Direct Collisions (YDd0)
- 4.1.2 Models and Splash Physics
- 4.1.3 Slings: Tidally Torqued
Bridges (YDx+)
- 4.1.4 Observations of Tidal Bridges
and Star Formation
- 4.2 Complete Collisional Disruption
- 4.3 Transient Summary
- 5. Coming Back (Ixx, Oxx)
- 5.1 Dynamical Friction - Bringing it
Back - Background and history - Recent Developments
- 5.2 Simulational Examples of Dynamical
Friction
- 5.2.1 Sinking satellites
- 5.2.2 Bobbing satellites
- 5.3 Halo Braking
- 5.4 Tidal Stretching: Tails and
"Antennae" (IXd+)
- 5.5 Shells and Ripples
- 5.6 Induced Bars
- 5.6.1 Collisional Bar Formation
- 5.6.2 Effects of Induced Bars
- 5.6.3 Longevity, Frequency and Other
Matters
- 5.7 Intermediate Summary
- 6. Mergers - All the Way Back (Oxx)
- 6.1 Overview and Historical Highlights
- 6.2 Major Merger Dynamics
- 6.2.1 Violent Relaxation
- 6.2.2 Gas Funneling
- 6.3 Minor mergers: disk heating and aging
- 6.4 New disks
- 6.4.1 Ellipticals with Disks
- 6.4.2 Counter-rotating Disks in S0
and Sa Galaxies
- 6.4.3 Polar Ring Galaxies
- 6.5 Multiple Mergers
- 7. Induced Star Formation
- 7.1 Color, H
and Other
Indicators of Global Enhancements
- 7.2 Spectral Line Diagnostics
- 7.2.1 SF Histories
- 7.2.2 IMF Variations and the Example
of M82
- 7.3 SF Region Morphologies
- 7.4 Mechanisms and Modes
- 7.4.1 Star Formation Enhancements
- 7.4.2 Star Formation Suppression
- 8. Active Galactic Nuclei in Collisional
Galaxies
- 8.1 Phenomenology
- 8.2 Fueling Mechanisms
- 9. Environments and Redshift Dependence
- 9.1 Groups and Compact Groups
- 9.2 Dense Clusters
- 9.2.1 cD Galaxies
- 9.2.2 Collisions and Harassment in
Clusters
- 9.2.3 The Cluster Environment:
Stripping and Cluster Tidal Effects
- 9.2.4 Cluster-Cluster Collisions
- 9.3 High-Redshift Collisions
- 10. Conclusions
- Acknowledgements
- References