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Analysis of MDI High-Degree Mode Frequencies and their Rotational Splittings
M. C. Rabello-Soares, S. G. Korzennik, J. Schou
Here we present a detailed analysis of solar acoustic mode frequencies and their rotational splittings for modes with degree up to 900. They were obtained by applying spherical har…
Variations of the Solar Acoustic High-Degree Mode Frequencies over Solar Cycle 23
M. C. Rabello-Soares, S. G. Korzennik, J. Schou
Using full-disk observations obtained with the Michelson Doppler Imager (MDI) on board the Solar and Heliospheric Observatory (SOHO) spacecraft, we present variations of the solar…
Solar Supergranulation Waves Detected in Surface Doppler Shift
J. Schou
Recently Gizon, Duvall and Schou (2002) suggested that supergranulation has a wave-like component. In this paper I show that the same phenomenon can be observed using surface Doppl…
Test of Convective Frequency Effects with SOI/MDI High-Degree Data
C. S. Rosenthal, J. Christensen-Dalsgaard, A. G. Kosovichev +6
Advances in hydrodynamical simulations have provided new insights into the effects of convection on the frequencies of solar oscillations. As more accurate observations become avai…