Acoustic imaging and time-distance analysis of TON

Dean Yi Chou*, Alexander Serebryanskiy, Ming Tsung Sun, Antonio Jimenez, Guoxiang Ai, Honqi Zhang, Philip Goode, William Marquette, Shuhrat Ehgamberdiev, Oleg Ladenkov

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


We review the development of acoustic imaging, including the recent results on the inversion of phase-travel-time perturbation to obtain the three-dimensional distribution of wave-speed perturbation. We discuss the solar-cycle variations of meridional flows measured with time-distance analysis, which relates to the active latitudes. We present the result from a recent study using solar-cycle variations of p-mode travel time of different wave packets to probe magnetic fields at the base of convection zone. The result shows the evidence of the magnetic fields at the base of the convection zone.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalEuropean Space Agency, (Special Publication) ESA SP
Issue number517
StatePublished - 02 2003
EventPIC7 - Geneva, Switzerland
Duration: 30 10 200303 11 2003


  • Active Regions
  • Solar Cycle
  • Solar Magnetic Fields


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