Physics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pabei..16..305g&link_type=abstract
Prog. Astron., Vol. 16, No. 4, p. 305 - 320
Physics
Solar Oscillations, Solar Models, Helioseismology
Scientific paper
Helioseismology has become a new tool for the study of the solar interior as well as one of the most important devices to determine the quality of the input physics that enters the solar models. The discrepancy between theoretical and observational frequencies has drastically decreased in the 1990s due to modified input physics and improved stellar oscillation theory. However, the discrepancy is still bigger than the observational error. From frequency inversion studies the authors know more about the solar convection zone, the surface helium abundance and rotational velocity distribution as a function of depth and latitude. The stochastic excitation mechanism by turbulence and the location of the excitation sources are well studied, but not completely understood.
Dappen Werner
Gong Zhigang
Li Yan
Peng Meixian
Yuan Yongquan
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