Can ring galaxies form by gravitational collapse?

Details Can ring galaxies form by gravitational collapse? Can ring galaxies form by gravitational collapse?

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997acaps..17..129l&link_type=abstract

Acta Astrophys. Sin., Vol. 17, No. 2, p. 129 - 134

Astronomy and Astrophysics

Astrophysics

Ring Galaxies: Gravitational Collapse, Ring Galaxies: Formation, Ring Galaxies: N-Body Simulations

Scientific paper

The formation of most ring galaxies is believed to be via the gravitational effects in interacting galaxies, but this does not appear to be the unique process of ring-galaxy formation. A ring galaxy could possibly form as the result of gravitational collapse of an isolated galaxy. Ring-galaxy formation is studied in this sense by means of N-body simulation. And indeed good ring-like structures do result from the numerical investigation.

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