On Inverting Asteroseismic Data
M. J. Thompson (1), J. Christensen-Dalsgaard (2) ((1) Department of, Physics, Imperial College, London, England, (2) Teoretisk Astrofysik Center,, Danmarks Grundforskningsfond, and Institut for Fysik og Astronomi, Aarhus, Universitet, Denmark)
TL;DR
This paper discusses methods for inverting asteroseismic frequency data, including model calibration and linearized inversion, demonstrated through an artificial data example for solar-type stars.
Contribution
It introduces a specific inversion approach using least-squares fitting of basis functions and details kernel construction for asteroseismic data analysis.
Findings
Successful inversion of artificial solar-type star data
Demonstration of linearized inversion techniques
Insights into kernel construction for asteroseismic analysis
Abstract
Some issues of inverting asteroseismic frequency data are discussed, including the use of model calibration and linearized inversion. An illustrative inversion of artificial data for solar-type stars, using least-squares fitting of a small set of basis functions, is presented. A few details of kernel construction are also given.
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Taxonomy
TopicsGeophysics and Gravity Measurements · Geomagnetism and Paleomagnetism Studies · Stellar, planetary, and galactic studies