Local Helioseismology of Small-Scale Magnetic Elements

Details Local Helioseismology of Small-Scale Magnetic Elements Local Helioseismology of Small-Scale Magnetic Elements

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.1604c&link_type=abstract

American Astronomical Society, SPD meeting #42, #16.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We will discuss recent progress in the measurement and modeling of the interaction of helioseismic waves with small-scale magnetic elements. We will present measurements of the Hankel analysis phase shifts and absorption coefficients associated with an average small-scale magnetic element, measured using ensemble-averaging techniques. We will show results from theoretical calculations and the numerical simulations of wave interactions with thin magnetic flux tubes. We will compare the Hankel analysis measurements with the predictions from these theoretical models, and discuss how these results pertain to the local helioseismology of magnetic flux concentrations. This work is supported by NASA contract NNH09CE43C.

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