Surface flux transport modeling for solar cycles 15--21: effects of cycle-dependent tilt angles of sunspot groups

Details Surface flux transport modeling for solar cycles 15--21: effects of cycle-dependent tilt angles of sunspot groups Surface flux transport modeling for solar cycles 15--21: effects of cycle-dependent tilt angles of sunspot groups

2010-06-15

arxiv.org/abs/1006.3061v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Accepted for publication by ApJ

Scientific paper

We model the surface magnetic field and open flux of the Sun from 1913 to 1986 using a surface flux transport model, which includes the observed cycle-to-cycle variation of sunspot group tilts. The model reproduces the empirically derived time evolution of the solar open magnetic flux, and the reversal times of the polar fields. We find that both the polar field and the axial dipole moment resulting from this model around cycle minimum correlate with the strength of the following cycle.

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