N-body simulations of the Evolution of the Local Group

Details N-body simulations of the Evolution of the Local Group N-body simulations of the Evolution of the Local Group

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.9707p&link_type=abstract

American Astronomical Society, 200th AAS Meeting, #97.07; Bulletin of the American Astronomical Society, Vol. 34, p.958

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We have simulated the future of the Local Group using our new MD-GRAPE2 nbody simulator at Pomona College. Our model combines the best available information on the distances and radial velocities of Local Group members, and the orbital parameters for the LMC, SMC and other members where available. For quantities not available from literature we have developed methods for estimating likely parameters for transverse velocity based on the best available information on the tidal interactions of local group members, and an analysis of the large scale kinematics of the nearby galaxies. Our model makes use of a new MD-GRAPE card which greatly accelerates the computation of n-body problems. We have developed a new web-based interface to the n-body package NEMO which was used to assemble the model. We will demonstrate the interface and the resulting visualatization, which we feel is a very useful tool for the research and teaching of the evolution of galaxies.

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