Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984iaus..108..115f&link_type=abstract
IN: Structure and evolution of the Magellanic Clouds; Proceedings of the Symposium, Tuebingen, West Germany, September 5-8, 1983
Astronomy and Astrophysics
Astronomy
49
Celestial Mechanics, Magellanic Clouds, Astronomical Models, Centimeter Waves, Orbital Mechanics, Radial Velocity, Spatial Distribution, Tides
Scientific paper
A brief survey is made of recent 21-cm, and optical observations of the Magellanic Stream (MS). The space orientation of the Magellanic Clouds is touched upon in relation to modeling the MS. After summarizing a variety of models for the MS, it is shown that if the Galaxy is massive with a huge dark halo, a tidal model is most suitable for reproducing its characteristic structure and high-negative radial velocity. Past orbits of the Large and the Small Magellanic Cloud (LMC and SMC) are determined uniquely for the last 2 Gyr, postulating that the LMC and SMC have been bound together for 10 Gyr. Highly noncircular motion of the SMC around the LMC could give a clue to understand some peculiar features associated with the Magellanic Clouds.
Fujimoto Minoru
Murai Tadayuki
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