Different responses to intruder between spirals with live and rigid haloes

Details Different responses to intruder between spirals with live and rigid haloes Different responses to intruder between spirals with live and rigid haloes

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989acasn..30....1h&link_type=abstract

(Acta Astronomica Sinica, vol. 30, no. 1, 1989, p. 1-13) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, Dec. 1989

Statistics

Computation

4

Computational Astrophysics, Disk Galaxies, Halos, Interacting Galaxies, Interstellar Matter, Spiral Galaxies, Fast Fourier Transformations, Galactic Structure, Particle In Cell Technique, Stellar Motions

Scientific paper

The different dynamical effects of spirals with live and rigid haloes in collisions are discussed. The N-body simulation has 52,000 particles; the target is a self-consistent three-dimensiolnal system consisting of a disk and a live halo, the intruder galaxy has a fixed Plummer potential and moves in a straight line through the center of the target in the plane of the disk. For comparison, the same numerical experiment is made with a rigid halo, all other conditions remaining the same. Differences in the dynamical response and the resulting morphology between the two cases are discussed.

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