The shape of a magnetic arcade embedded in the solar corona

Details The shape of a magnetic arcade embedded in the solar corona The shape of a magnetic arcade embedded in the solar corona

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...282..934c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 282, no. 3, p. 934-938

Astronomy and Astrophysics

Astrophysics

5

Magnetic Field Configurations, Magnetohydrodynamics, Solar Corona, Solar Magnetic Field, Stellar Models, Magnetic Flux, Mathematical Models

Scientific paper

We have generated two-dimensional magnetic arcades, with invariance along the longitudinal axis, by solving, with invariance along the longitudinal axis, by solving, together, the Grad-Sharanov equation between the arcade and the corona. We have used a particular class of magnetic fields in which the slope of the magnetic field lines only depends on coordinate and, with this approach, we have been able to obtain general expressions for the magnetic field components, which only depend on the gas pressure profile, without the need to know the analytical expression for the flux function. These expressions for the magnetic field components have allowed us to generate potential and non-potential fields and to obtain some conclusions about the half-width, height and magnetic field flux of the different arcades.

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