Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..76..491c&link_type=abstract
Astrophysics and Space Science, vol. 76, no. 2, May 1981, p. 491-502.
Astronomy and Astrophysics
Astrophysics
2
Disk Galaxies, Galactic Evolution, Galactic Structure, Gravitational Effects, Interacting Galaxies, Ring Galaxies, Tides, Collision Parameters, Galactic Nuclei, Internal Energy, Spheres
Scientific paper
The tidal force effects of a spherical galaxy passing head-on through a disk galaxy are studied at various regions of the disk galaxy and for various orientations of the disk galaxy with respect to the direction of the relative motion of the galaxies. The density distribution of the disk galaxy is assumed to be exponential. It is found that as a result of the collision the region between the central part and outer parts of the disk galaxy is disrupted even though the central part and the outer parts remain intact. Thus, a ring galaxy with a nucleus embedded in the ring (i.e., a ring galaxy of RN type) is formed.
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