Extension to Spherical Geometry - Sensitivity Kernels for Flows in Time-Distance Helioseismology
Affiliation
Kiepenheuer-Institut für Sonnenphysik
Main category
Natural Sciences (Astrophysics and Astrononmy)
Alternative category
Natural Sciences (Physics)
Abstract
We extend an existing Born approximation model for calculating the linear sensitivity of helioseismic travel-times to flows from plane-parallel to spherical geometry. This extension is necessary especially for dealing with deep flows. Furthermore, we present first results for the sensitivity kernels and validate our model with the help of artificial helioseismic data for a standard meridional flow pattern from Hartlep et al. (2013, ApJ).
Further reading
https://doi.org/10.3847/0004-637X/824/1/49
DOI
10.18147/smn.2017/presentation:236
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