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New Particle Simulation of the Magellanic Clouds

Published online by Cambridge University Press:  25 May 2016

P. S. Li  and
H. A. Thronson
P. S. Li
Affiliation:
University of Wyoming, P.O. Box 3905, University Station, Laramie, WY 82 071, USA
H. A. Thronson
Affiliation:
Office of Space Science, NASA, Washington D.C. 20546, USA

Abstract

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We use a modified TreeSPH code to simulate the MilkyWay-LMC-SMC system using the latest observational results from Hipparcos on the proper motion of the Clouds. More than 120,000 particles are used for the simulation. Gravitational and hydrodynamic interactions among gaseous and stellar components in the system have been considered. The Magellanic Stream, some high velocity clouds, and the barred structure of LMC are reproduced. A leading gas arm from the SMC is predicted. From the simulation, the long term binary status of LMC-SMC is questioned as frequent encounters between the LMC and the SMC will have difficulty in explaining the survival of the SMC.

Type
Part 7. Tidal Interactions
Information
Symposium - International Astronomical Union , Volume 190: New Views of the Magellanic Clouds , 1999 , pp. 503 - 505
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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