A few words about
the seismology of the solar interior

Doppler-velocity data

Whole-disk power spectrum

Inferred sound-speed differences

Inferred rotation rate

… guiding the reader’s eye

Averaging kernels

Close-up on averaging kernels

Torsional oscillations of whole CZ

Torsional oscillations of whole CZ

Time-distance helioseismology

Sub-surface Structures