Recent Progress and Future Directions for Helioseismology

Details Recent Progress and Future Directions for Helioseismology Recent Progress and Future Directions for Helioseismology

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..415..399k&link_type=abstract

The Second Hinode Science Meeting: Beyond Discovery-Toward Understanding ASP Conference Series, Vol. 415, proceedings of a meeti

Astronomy and Astrophysics

Astronomy

Scientific paper

Hinode/SOT observations provide unique data for high-resolution helioseismology. These data have allowed us for the first time to resolve the subsurface convective boundary layer, obtain high-resolution images of structures and mass flows beneath a sunspot, detect flare-generated MHD waves in the sunspot umbra, carry out multi-wavelength studies of solar oscillations, and obtain unique helioseismic data for probing the subsurface dynamics in near-polar regions. Future directions in helioseismology will be focused on understanding the mechanism of solar dynamo, diagnostics of emerging magnetic flux, formation and evolution of sunspot regions and their flaring activity. Of particular interest are investigations of solar convection dynamics, differential rotation and meridional flows in the near polar regions. These tasks require development of new helioseismology methods for probing conditions in strong magnetic field regions and improving temporal and spatial resolutions. The new developments in helioseismology will be supported by realistic MHD simulations and based on massive data analysis from Hinode and Solar Dynamics Observatory.

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