Global and Local Helioseismology from HMI and AIA

Astronomy and Astrophysics – Astrophysics

Scientific paper

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[7522] Solar Physics, Astrophysics, And Astronomy / Helioseismology

Scientific paper

Data from the HMI [Helioseismic and Magnetic Imager] and AIA [Atmospheric Imaging Assembly] instruments aboard the Solar Dynamics observatory have been available for some months. We present some preliminary results from these data, including subsurface flow maps and activity-related local mode parameter shifts from helioseismic ring-diagram analysis of HMI data, HMI helioseismic sensing of the far side of the Sun, and low-degree p-mode spectra from the high-photosphere bands on AIA as well as from HMI velocity and continuum intensity. The results will be compared with those from the Michelson Doppler Imager and the Global Oscillation Network Group.

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