Three-Dimensional Geometry of Planar Magnetic Structure in the Corona

Details Three-Dimensional Geometry of Planar Magnetic Structure in the Corona Three-Dimensional Geometry of Planar Magnetic Structure in the Corona

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998soph..181...73h&link_type=abstract

Solar Physics, v. 181, Issue 1, p. 73-85 (1998).

Physics

8

Scientific paper

The coronal magnetic field (CMF) during Carrington rotation 1870 is inferred by using the so-called `potential model' with the photospheric magnetic field observed at Kitt Peak. Magnetic field lines starting at areas restricted (90deg; +/- 30deg; in longitude and 0deg; +/- 20deg; in latitude) in both the photosphere and the source surface of 2.5 solar radii are traced to examine fine geometrical structures of the CMF. We found a well-ordered planar magnetic structure (PMS) near 90 deg Carrington longitude in the corona. The PMS consists of magnetic flux of negative polarity emanating from several small areas in the photosphere. The magnetic flux expands into a wide longitudinal angle in the source surface making a planar magnetic structure.

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