High-Resolution Helioseismology from Hinode

Details High-Resolution Helioseismology from Hinode High-Resolution Helioseismology from Hinode

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh41b1627k&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SH41B-1627

Physics

7519 Flares, 7522 Helioseismology, 7524 Magnetic Fields, 7529 Photosphere

Scientific paper

The Solar Optical Telescope (SOT) on the Hinode space mission provides unique multi-wavelength high-resolution data for local helioseismic diagnostics of the sub-photospheric structure and dynamics of the Sun. The helioseismology data from Hinode have allowed us for the first time to observe oscillations of very high angular degree and high frequencies. The Hinde data provide a potential for substantial improvement of the spatial resolution of time-distance helioseismology in near-surface layers of the Sun, compared to the previous SOHO/MDI data. The Hinode data have also provided important insight in the nature of sunspot oscillations. Simultaneous observations of solar oscillations in two different spectral interval have allowed us to investigate the mode physics and the correlated component of stochastic excitation. In addition, a new type of flare-excited MHD oscillations was detected from Hinode observations of the solar flare of December 13, 2006.

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