Solar Subsurface Flows of Active Region AR~0696

Details Solar Subsurface Flows of Active Region AR~0696 Solar Subsurface Flows of Active Region AR~0696

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agusmsp24a..02k&link_type=abstract

American Geophysical Union, Spring Meeting 2005, abstract #SP24A-02

Astronomy and Astrophysics

Astrophysics

7500 Solar Physics, Astrophysics, And Astronomy, 7519 Flares, 7522 Helioseismology, 7524 Magnetic Fields

Scientific paper

We use a ring-diagram analysis to determine the subsurface flows in the upper 16~Mm of the convection zone from high-resolution Global Oscillation Network Group (GONG) data obtained during the first two weeks of November 2004. The active region AR~0696 emerges near the eastern limb and moves across the disk during this time period. The region produced several terrestrially effective flares and halo CMEs during its transit across the disk. During its disk passage, AR~0696 is the only large active region in the northern hemisphere and almost the only flare producing region on the sun. This makes it a good candidate for investigating the relation between active regions, their flare activity, and associated subsurface flows. We will present the latest results. This work was supported by NASA grant NAG 5-11703.

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