Physics
Scientific paper
Nov 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999soph..189..305l&link_type=abstract
Solar Physics, Vol. 189, No. 2, p. 305 - 313
Physics
5
Magnetic Flux Tubes: Solar Active Regions, Magnetic Flux Tubes: Solar Photosphere, Magnetic Flux Tubes: Solar Magnetic Fields
Scientific paper
203 bipolar active regions, in which bipolar magnetic fields are dominant, were chosen from the data set of photospheric vector magnetograms observed at Huairou Solar Observing Station in Beijing during 1988 - 1996. The authors calculated the tilts of the magnetic polarity axis in these active regions and investigated the dependence of the tilt on physical quantities such as polarity separation, total flux and the relationship between total flux and polarity separation, total area of active regions. The results are as follows: (1) The active regions with large tilt angle have smaller magnetic polarity separations. (2) The active regions with large tilt angle have smaller fluxes. (3) The active regions with large flux have larger polarity separations. (4) The active regions with large area have larger fluxes. These results will possibly provide new information about the nature and dynamic behavior of magnetic flux tubes forming active regions beneath the photosphere.
Jing Hai-rong
Lirong Tian
Tong Yi
Zhang Hongqi
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