Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...575l..47b&link_type=abstract
The Astrophysical Journal, Volume 575, Issue 1, pp. L47-L50.
Astronomy and Astrophysics
Astronomy
43
Sun: Atmospheric Motions, Sun: Rotation
Scientific paper
Time-distance helioseismology analysis of Dopplergrams provides maps of torsional oscillations and meridional flows. Meridional flow maps show a time-varying component that has a banded structure that matches the torsional oscillations with an equatorward migration over the solar cycle. The time-varying component of meridional flow consists of a flow diverging from the dominant latitude of magnetic activity. These maps are compared with other torsional oscillation maps and with magnetic flux maps, showing a strong correlation with active latitudes. These results demonstrate a strong link between the time-varying component of the meridional flow and the torsional oscillations.
Beck John Gunther
Duvall Thomas L. Jr.
Gizon Laurent
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