Globular Clusters

• Vital statistics
• Exemplars
  • M3, zoom
  • 47 Tuc, zoom
  • omega Cen and its center
  • M15
• cluster discovery in Galactic plane
• Structure: density profiles
• Classes

Globular Cluster HR Diagrams

• example (source)
• Colorized schematic
• H-R diagram animation--watch 'em evolve!
  another animation
• Theory fits: isochrones = HR curves for different ages (source)

Tides and Stripping

• Tidal forces
• Tidal stripping
• Caught in the act
  • globular cluster Palomar 5
  • the Magellanic stream
  • interacting galaxies

Virial Theorem

Globular Cluster Evaporation

• cluster velocity distribution example from M15 (source)
• star dynamics simulation movies here and here
  awesome orbit applet and discussion
• interactions
• blue stragglers

Globular Clusters Elsehwere

• in spiral galaxies: M31
• in elliptical galaxies: M87
• intracluster space: Virgo
• the most isolated cluster to date