Spiral and Bar Instabilities Provoked by Dark Matter Satellites

John Dubinski, Jean-Rene Gauthier, Larry Widrow, and Sarah Nickerson

To be published in the proceedings of the conference: The Formation and Evolution of Galaxy Disks, Rome 2007
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Here are links to the animations referenced in the article.

Movie 1: Bar Instability induced by Satellite Interactions Quicktime (320x240), Quicktime (640x480), MPG (320x240)
Movie 2: Spiral Galaxy Fly By Quicktime (320x240), Quicktime (640x480), MPG (320x240)
Movie 3: Disk Response from Satellite Interactions Quicktime (640x480), MPG
Movie 4: Satellite Impacts Quicktime, MPG