Dynamics of Galaxy Interactions

Joshua E. Barnes

Institute for Astronomy, University of Hawai`i,
2680 Woodlawn Drive, Honolulu, Hawai`i 96822


  1. Theory of Interacting Galaxies
    The Role of Gravity - Holmberg's Work on Tidal Interactions - `Galactic Bridges and Tails' - Dark Matter
  2. Numerical Stellar Dynamics
    Collisionless Stellar Systems - Simulating the Stars - Force Calculation - Time Integration - Errors & Relaxation Effects - Initial Conditions
  3. Numerical Gas Dynamics
    A Sketch of the Interstellar Medium - Simulating the ISM - Gas in B/D/H Models
  4. Tidal Interactions
    Test-Particle Studies: Bridges & Tails - Self-Consistent Studies - Bars & Spirals - Tidal Dwarf Galaxies
  5. Self-Consistent `Lookalikes'
    Getting the Feel of the Antennae - Sneaking Up on the Mice - What Happened to the Whirlpool? - Unresolved Issues
  6. Mechanics of Merging
    Tidal Drag - Orbit Decay - Violent Relaxation - Final Encounters
  7. Remnant Structure
    Phase Mixing - Characteristic Scales - Radial Profiles - Shapes & Kinematics - Orbit Structure
  8. Gas Dynamics in Mergers
    Inflows in Perturbed Disks - Merging Encounters - Remnant Structure - Dissipation & Stellar Backlash - Galaxy Transformation & the Arrow of Time

Joshua E. Barnes (barnes@galileo.ifa.hawaii.edu)

Last modified: June 16, 1997