Polar ring galaxies: formation and properties

Details Polar ring galaxies: formation and properties Polar ring galaxies: formation and properties

2002-09-19

arxiv.org/abs/astro-ph/0209407v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure, Proceedings SF2A-2002, Paris, ed. F. Combes and D. Barret, EDP-Sciences

Scientific paper

Formation scenarios for polar ring galaxies are studied through N-body
simulatio ns that are compared with existing observations. It is shown that
polar rings ar e likely to be formed by tidal accretion of the polar material
from a gas rich d onor galaxy. The distribution of dark matter in polar ring
galaxies is studied: dark halos seem to be flattened towards the polar rings.

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