Angular momentum redistribution and spin tilt during N-body collapse: phenomenological implications

Details Angular momentum redistribution and spin tilt during N-body collapse: phenomenological implications Angular momentum redistribution and spin tilt during N-body collapse: phenomenological implications

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...285..389c&link_type=abstract

Astronomy and Astrophysics 285, 389-392 (1994)

Astronomy and Astrophysics

Astrophysics

8

Celestial Mechanics, Stellar Dynamics, Galaxies: Ellipticals And Lenticular, Cd, Galaxies: Formation, Galaxies: Kinematics And Dynamics, Methods: Numerical

Scientific paper

Curir et al. (1993) have shown that the dissipationless collapse of rotating N-body triaxial systems can account for a loss of up to 90% of the angular momentum in the inner part of the system. They also showed that misalignments between the spin of the inner part and of the rest of the system can be produced. Here we give a more detailed physical interpretation of the angular momentum loss mechanism. We have run an additional simulation with 32,768 particles in order to show that spin oscillations are not just a numerical artifact. This phenomenon could explain observed warps in polar rings around elliptical galaxies.

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