Energy exchange during collision of a pair of disc-sphere galaxies

Details Energy exchange during collision of a pair of disc-sphere galaxies Energy exchange during collision of a pair of disc-sphere galaxies

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.152..319n&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 152, no. 2, Feb. 1989, p. 319-327.

Statistics

Computation

Computational Astrophysics, Disk Galaxies, Energy Transfer, Interacting Galaxies, Density Distribution, Internal Energy, Particle Acceleration, Perturbation Theory

Scientific paper

The collision of a pair of disk-sphere galaxies under the impulsive approximation is considered to study the variations of the energy change of the disk due to the passage of a spherical galaxy. Various collision parameters like the impact parameters, the orientation of the disk galaxy, and the relative velocity of the perturber, are considered. It is shown that for small impact parameters and high relative velocities, a slightly inclined position of the disk galaxy produces maximum, energy exchange. The energy exchange is observed to be asymmetric with respect to the direction of motion of the perturber.

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