"Local Helioseismology"
by
Laurent Gizon and Aaron C. Birch
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Abstract
1
Outline
2
Observations of Solar Oscillations
2.1
Data for local helioseismology
2.2
Properties of solar oscillations
3
Models of Solar Oscillations
3.1
Linear waves
3.2
Wave excitation
3.3
Response to an impulsive source
3.4
The zero-order problem
3.5
Effects of small steady perturbations
3.6
Tests of Born approximation for sound speed and flow perturbations
3.7
Strong perturbations: magnetic tubes and sunspots
4
Methods of Local Helioseismology
4.1
Fourier-Hankel spectral method
4.2
Ring-diagram analysis
4.3
Time-distance helioseismology
4.4
Helioseismic holography
4.5
Direct modeling
5
Scientific Results from Local Helioseismology
5.1
Global scales
5.2
Active regions and sunspots
5.3
Supergranulation
6
Acknowledgements
References
Footnotes
Figures
