POSTER PAPER 1.01
A Possible Solar Cycle Dependence to the Hemispheric Pattern of
Filaments ?
Duncan H. Mackay
Institute: School of Mathematical Sciences, University of St Andrews
Contact Email: duncan@mcs.st-and.ac.uk
Abstract:
The origin of the hemispheric pattern of filaments is considered for
both the rising and declining phases of the solar cycle. This is carried
out by using a magnetic flux transport model which considers how
bipoles interact with surrounding polar fields.
For the rising phase of the cycle a range of initial twists and
tilt angles of the bipoles consistent with observations can be found which
reproduces the observed hemispheric pattern. For the declining phase no such
range can be found. To determine whether there is a cycle
variation to the hemispheric pattern new detailed observations are required.
Index Keywords: Sun ; Filament ; 3-D Simulations
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Manuscript submitted: 2001-Aug-24
"The Future of Cool-Star Astrophysics", 2003, Eds. A. Brown,
G. M. Harper, & T. R. Ayres.
Proceedings of 12th Cambridge Workshop on Cool Stars, Stellar Systems,
& The Sun,
© 2003 University of Colorado.