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Asymmetric distribution of gas in the LMC and dynamical condition for globular cluster formation

Published online by Cambridge University Press:  19 July 2016

Mitsuaki Fujimoto  and
Yasuki Kumai
Mitsuaki Fujimoto
Affiliation:
Department of Physics, Nagoya University, Nagoya 464-01, Japan
Yasuki Kumai
Affiliation:
Department of Physics, Nagoya University, Nagoya 464-01, Japan

Abstract

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The Large and Small Magellanic Clouds (LMC, SMC) have been in a binary state for the last 10 Gyr, and their centre-of-mass revolves around the Galaxy with a massive dark halo of 1012Mo. The dashed line in Fig. 1 is a relative orbit of the SMC, approaching the LMC 0.2 Gyr ago with impact parameter of 0.5 to 4 kpc (Murau & Fujimoto 1980, Fujimoto & Noguchi 1990). At this close approach, their gas clouds collided hydrodynamically to make shock compressions and coalescences in various mass scale. The ribbon is a computed orbit of a huge gas complex thus generated at α=5h40m and δ=-68° and reaching the present position.

Type
The LMC-SMC-Galaxy System
Information
Symposium - International Astronomical Union , Volume 148: The Magellanic Clouds , 1991 , pp. 469 - 470
Copyright
Copyright © Kluwer 1991 

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