Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...335..239t&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 335, Dec. 1, 1988, p. 239-262.
Astronomy and Astrophysics
Astronomy
106
Equilibrium Equations, Interstellar Magnetic Fields, Magnetic Clouds, Magnetohydrodynamics, Molecular Clouds, Nebulae, Infrared Sources (Astronomy), Isothermal Processes, Magnetic Field Configurations, Mass Distribution
Scientific paper
Structures of nonrotating magnetized clouds are investigated from a standpoint of the equilibrium solution of the cloud confined by an external pressure which is threaded by uniform magnetic field at infinity. Equilibria for wide ranges of parameters are studied: the ratio of the external thermal pressure to the magnetic pressure ranges from 10-2 to 5 and the center-to-surface density ratio ranges from 2 to 104. The authors obtain two different equilibrium states with the same mass but with different central density. It is shown from the mass - central density relation that the solution with lower central density is stable and that with higher central density is unstable.
Ikeuchi Satoru
Nakamura Takashi
Tomisaka Kohji
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