Subsurface Structure and Dynamics of Active Regions Observed with SDO/HMI

Details Subsurface Structure and Dynamics of Active Regions Observed with SDO/HMI Subsurface Structure and Dynamics of Active Regions Observed with SDO/HMI

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.2110k&link_type=abstract

American Astronomical Society, SPD meeting #42, #21.10; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The HMI instrument on SDO has provided unprecedented opportunities to investigate the subsurface evolution of active regions. We use maps of subsurface flows and wave-speed perturbations, obtained using the HMI time-distance helioseismology pipeline, to study links between the subsurface properties and surface magnetic structures, and their relationships to the flaring and CME activity for several interesting active regions. A particular attention is paid to AR1158, which produced X2.2 flare.

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