Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.c9014l&link_type=abstract
American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #C9.014
Physics
Scientific paper
We present numerical models of the Ring Galaxies, NGC 2793 and AM0644-741 (Linsay-Shapely Ring), based upon combined N-body/Smooth Particle Hydrodynamics simulations of collisions between a disk galaxy and an elliptical. The simulation results are compared to multiwavelength observations of these two systems, including HI and optical maps, to constrain the models and to investigate the history of impact-induced star formation, the disposition of cool gas, and the evolving velocity diastribution within the disturbed systems. We acknowledge support of DOE-LLNL contract B506657.
Hearn Nathan C.
Higdon James J.
Lamb Susan A.
Lesher Christopher T.
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