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On the equilibrium structures of self-gravitating masses of gas containing axisymmetric magnetic fieldsThe general equations describing the equilibrium shapes of self-gravitating gas clouds containing axisymmetric magnetic fields are presented. The general equations admit of a large class of solutions. It is shown that if one additional (ad hoc) asumption is made that the mass be spherically symmetrically distributed, then the gas pressure and the boundary conditions are sufficiently constraining that the general topological structure of the solution is effectively determined. The further assumption of isothermal conditions for this case demands that all solutions possess force-free axisymmetric magnetic fields. It is also shown how the construction of aspherical (but axisymmetric) configurations can be achieved in some special cases, and it is demonstrated that the detailed form of the possible equilibrium shapes depends upon the arbitrary choice of the functional form of the variation of the gas pressure along the field lines.
Document ID
19800060581
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lerche, I.
(Chicago, University Chicago, Ill., United States)
Low, B. C.
(Lau Kuei Huat(s) Pte, Ltd. Singapore)
Date Acquired
August 10, 2013
Publication Date
August 1, 1980
Publication Information
Publication: Royal Astronomical Society
Subject Category
Astrophysics
Accession Number
80A44751
Funding Number(s)
CONTRACT_GRANT: NGL-14-001-001
Distribution Limits
Public
Copyright
Other

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