Binary galaxy spin correlation arising from galaxy merger.

Details Binary galaxy spin correlation arising from galaxy merger. Binary galaxy spin correlation arising from galaxy merger.

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999acaps..19...21l&link_type=abstract

Acta Astrophys. Sin., Vol. 19, No. 1, p. 21 - 26

Statistics

Galaxy Mergers: N-Body Simulations, Galaxy Groups: Dynamics

Scientific paper

Statistics of spin orientation in binary galaxies was used by Helou in a study of the process of galaxy formation, who found that the spins of spiral galaxies in binary systems were anticorrelated, so suggesting a dependence of the inclination on the spin in galaxy mergers. The author studies this dependence for small groups of galaxies. An N-body code is developed which uses an inclination dependent dynamical friction law in mergers. It is found that the anticorrelation does exist for small groups of galaxies.

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