Solar Subsurface Dynamics from the First Year of SDO/HMI Time-Distance Helioseismology Analysis

Details Solar Subsurface Dynamics from the First Year of SDO/HMI Time-Distance Helioseismology Analysis Solar Subsurface Dynamics from the First Year of SDO/HMI Time-Distance Helioseismology Analysis

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.2131z&link_type=abstract

American Astronomical Society, SPD meeting #42, #21.31; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

It has been about one year since SDO/HMI started to take continuous observations of the Sun. Time-distance pipeline designed for a routine processing of HMI observations has generated plenty of results. We will present the solar interior rotational rate and meridional flow speed and their evolution during the entire year. For local areas, we study the subsurface flows of supergranules and some selected active regions. We also apply the time-distance analysis in higher latitude areas, and study the rotational and meridional speed above the latitude of 65 degree.

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