Time-Distance and Correlation Tracking Analysesof Convective Structures using Realistic Large-ScaleSimulations of Solar Convection

Details Time-Distance and Correlation Tracking Analysesof Convective Structures using Realistic Large-ScaleSimulations of Solar Convection Time-Distance and Correlation Tracking Analysesof Convective Structures using Realistic Large-ScaleSimulations of Solar Convection

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spd....37.0509g&link_type=abstract

American Astronomical Society, SPD meeting #37, #5.09; Bulletin of the American Astronomical Society, Vol. 38, p.224

Astronomy and Astrophysics

Astronomy

Scientific paper

Recent large-scale simulations of solar turbulentconvection and oscillations produce a wealth of realisticdata and provide a great opportunity to study solaroscillations and test various techniques, such aslocal helioseismology or local correlation trackingmethods, widely used for the analysis of the realobserved solar data.The application of the time-distance analysis to theartificial data produced with a realistic 3D radiativehydrodynamic code successfully reproduces thetime-distance diagram and travel time maps. Resultingtravel times are similar to the travel times obtainedfrom the SOHO/MDI observations. To further validatethe model, the inversion will be performed in orderto infer the interior velocities at various depthsand compare them with the simulated data.f-mode time-distanceanalysis as well as local correlation tracking can be usedto study the morphology of the simulated convection. Bothmethods reveal the large-scale convective structures, whichare also directly visible in the time-averaged simulatedflow fields.

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