Caustic waves in galaxy disks produced in collisions with low mass companions

Details Caustic waves in galaxy disks produced in collisions with low mass companions Caustic waves in galaxy disks produced in collisions with low mass companions

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3098..743s&link_type=abstract

In NASA, Marshall Space Flight Center, Paired and Interacting Galaxies: International Astronomical Union Colloquium No. 124 p 74

Astronomy and Astrophysics

Astrophysics

Collisions, Galactic Structure, Radial Velocity, Ring Galaxies, Stars, Stellar Systems, Wave Propagation, Catastrophe Theory, Kinematics, Mass, Orbits

Scientific paper

The author lists a few reasons for studying collisions with relatively low mass companions, specifically those that are less than about one third of the mass of the target galaxy. The primary effect of such collisions on a target galaxy with a 'cold' disk component is the generation of waves in the disk. The focus here is on the purely stellar waves in such disks. The example of a ring galaxy case is examined.

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