Using a Wave-Theory Approach to Time-Distance Helioseismology

Details Using a Wave-Theory Approach to Time-Distance Helioseismology Using a Wave-Theory Approach to Time-Distance Helioseismology

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sp31a21b&link_type=abstract

American Geophysical Union, Spring Meeting 2001, abstract #SP31A-21

Physics

Geophysics

7260 Theory And Modeling, 7522 Helioseismology

Scientific paper

Time-distance helioseismology is a method for measuring the travel times for acoustic wave packets as they move between points on the solar surface through the solar interior. In order to interpret travel times we derive, employing the Born approximation to the wave equation, a linear relationship between travel time variations and perturbations to a solar model; the results are essentially the "banana-doughnut" kernels familiar from geophysics. We show preliminary inversion results for large-scale structure inside the sun using these sensitivity kernels.

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