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Extension to Spherical Geometry - Sensitivity Kernels for Flows in Time-Distance Helioseismology

Author: Vincent Böning
Affiliation: Kiepenheuer-Institut für Sonnenphysik

Co-authors: Markus Roth, Wolfgang Zima

Main category: Natural Sciences (Astronomy)
Alternative category: Natural Sciences (Physics)

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:

Language: English

DOI: 10.18147/smn.2017/presentation:236

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