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Osherovich et al. 1999
Osherovich, V.A., Fainberg, J. and Stone, R.G. (1999). Multi-tube model for interplanetary magnetic clouds. Geophysical Research Letters 26: doi: 10.1029/1998GL900306. issn: 0094-8276.

Measurements of the polytropic index &ggr; inside a magnetic cloud showed that there are two non-equal tubes inside the cloud [Fainberg et al., 1996; Osherovich et al., 1997>. For both tubes, &ggr;<1, but each tube has its own polytrope. We test equilibrium solutions which are a superposition of solutions with cylindrical and helical symmetry [Krat and Osherovich, 1978> as a new paradigm for a multi-tube model. Comparison of magnetic and gas pressure profiles for these bounded MHD states with observations suggests that complex magnetic clouds can be viewed as multiple helices embedded in a cylindrically symmetric flux rope. ¿ 1999 American Geophysical Union

BACKGROUND DATA FILES

Abstract

Keywords
Interplanetary Physics, Ejecta, driver gases, and magnetic clouds, Solar Physics, Astrophysics, and Astronomy, Coronal mass ejections, Interplanetary Physics
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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