Subphotospheric Flows Around Active Region NOAA 10486

Details Subphotospheric Flows Around Active Region NOAA 10486 Subphotospheric Flows Around Active Region NOAA 10486

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.0211h&link_type=abstract

American Astronomical Society Meeting 204, #02.11; Bulletin of the American Astronomical Society, Vol. 36, p.669

Astronomy and Astrophysics

Astronomy

Scientific paper

We have used MDI Dynamics Program Doppler data taken between October 18th and November 15th 2003 to study the interaction of solar subsurface flows with NOAA 10486, one of the most dynamic active regions of the past solar cycle. Using the local helioseismic techniques of ring and time-distance analyses, we assess the horizontal flows that surrounded and permeated this region and how they varied with depth in the upper 14 Mm of the convection zone. We examine and identify structures in the flow field that may have been associated with the energetic flares that occurred during the period of observation. This research is in part supported by NASA through grants NAG5-11920, NAG5-10917, and NAG5-12491.

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