Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmsp51b..15d&link_type=abstract
American Geophysical Union, Spring Meeting 2008, abstract #SP51B-15
Astronomy and Astrophysics
Astrophysics
7500 Solar Physics, Astrophysics, And Astronomy, 7522 Helioseismology, 7529 Photosphere, 7544 Stellar Interiors And Dynamo Theory, 7594 Instruments And Techniques
Scientific paper
The Helioseismic and Magnetic Imager of SDO will provide uninterrupted 4kx4k-pixel Doppler-shift images of the Sun with ~45 sec cadence. These data will have a unique potential for advancing local helioseismic diagnostics of the Sun's interior structure and dynamics. They will help to understanding the basics mechanisms of solar activity and developing predictive capabilities for the NASA's Living with a Star Program. Because of the tremendous amount of data the HMI team is developing a data analysis pipeline, which will provide maps of subsurface flows and sound-speed distributions inferred from the Doppler data by the time-distance technique. We discuss the development plan, methods and algorithms, and present the status of the pipeline, testing results and examples of the data products.
Beck Jonathan
Couvidat Sebastien
Duvall Thomas L.
Kosovichev Aleksandr G.
Parchevsky Konstantin V.
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