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The galactic wake model of the Magellanic Stream

Published online by Cambridge University Press:  14 August 2015

Joel N. Bregman
Joel N. Bregman*
Affiliation:
Columbia University, New York

Extract

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Tidal interaction models for the origin of the Magellanic Stream have been fairly successful in reproducing the radial velocities of the Stream (Lin and Lynden-Bell 1977, Davies and Wright 1977). However, no investigator has yet attained a self consistent treatment in which (1) the LMC and SMC are bound for at least 5×109 yr, (2) the passing Magellanic Clouds warp the galactic plane, and (3) the Stream velocities are reproduced (Fujimoto and Sofue 1977). Also, Mathewson, Schwarz, and Murray (1977) argue that their 21 cm observations are evidence against the tidal model. To avoid these problems, they suggest that the Magellanic Clouds pass through a hot coronal gas and produce vortices in their wake which radiatively cool to form the HI clouds comprising the Stream.

Type
X. HIGH-VELOCITY CLOUDS AND THE MAGELLANIC STREAMS
Information
Symposium - International Astronomical Union , Volume 84: The Large-Scale Characteristics of the Galaxy , 1979 , pp. 575 - 576
Copyright
Copyright © Reidel 1979 

References

Davies, R. D., and Wright, A.E.: 1977, Mon. Not. Roy. Astron. Soc. 180, 71.Google Scholar
Fujimoto, M., and Sofue, Y.: 1977, Astron. and Astrophys. 61, 199.Google Scholar
Lin, D.N.C. and Lynden-Bell, D.: 1977, Mon. Not. Roy. Astron. Soc. 181, 59.CrossRefGoogle Scholar
Mathewson, D.S., Schwarz, M.P., Murray, J.D.: 1977, Astrophys. J. 217, L5.Google Scholar