Physics
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992soph..141...65p&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 141, no. 1, p. 65-73.
Physics
3
Line Of Sight, Magnetic Field Configurations, Magnetic Signatures, Solar Magnetic Field, Sunspots, Angular Velocity, Fine Structure, Solar Observatories
Scientific paper
Using observational data on 14 sunspots from the Sayan Observatory vector magnetograph, a study was made of the relationship between the sunspot magnetic field and the Evershed motions. It is shown that the central area of the solar disk is dominated by an anticorrelation of the longitudinal magnetic field B-parallel and the line-of-sight velocity V-parallel when a maximum of V-parallel corresponds to the neutral line of the longitudinal field. Near the limb, there usually is a coincidence of the field and velocity neutral lines. There is evidence for the possible asymmetric character of the effect with respect to the central meridian.
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