A classification of galactic collisions for galaxies of unequal dimensions

Details A classification of galactic collisions for galaxies of unequal dimensions A classification of galactic collisions for galaxies of unequal dimensions

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..63..203s&link_type=abstract

Astrophysics and Space Science, vol. 63, no. 1, June 1979, p. 203-208.

Astronomy and Astrophysics

Astrophysics

5

Collisions, Galactic Evolution, Galactic Structure, Interacting Galaxies, Stellar Mass, Stellar Motions, Classifications, Density Distribution, Indexes (Ratios), Mass Distribution, Polytropic Processes, Space Density

Scientific paper

Earlier work on classification of galactic collisions for identical galaxies is extended to situations where the two colliding galaxies differ in mass and dimension. Collisions between galaxies of 10 to the 7th, 9th, 11th, and 13th solar masses with respective radii of 0.1, 1, 10, and 100 kpc are considered. The density distribution in both galaxies is represented by that of a polytrope of index n = 4. The type of collision is determined for head-on collisions for initial relative velocities of 500, 1000, 2000 and 3000 km/s. The corresponding final velocities are also indicated.

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