Statistics – Computation
Scientific paper
Feb 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...265..551u&link_type=abstract
Astrophysical Journal, Part 1, vol. 265, Feb. 1, 1983, p. 551-563.
Statistics
Computation
95
Solar Atmosphere, Solar Oscillations, Stellar Models, Abundance, Heavy Elements, Hydrogen, Solar Magnetic Field, Solar Neutrinos, Stellar Structure
Scientific paper
Frequencies of solar oscillation for normal modes described by spherical harmonics with l-values between 0 and 4 are computed. The method of computation is discussed and some of the theoretical uncertainties are examined. It is shown that the standard solar model has eigenfrequencies which do not agree with the frequencies observed for the low l-modes to within the estimated accuracy of either the observed or theoretical frequencies. Four non-standard models are considered: (1) the interior Z abundance is lower than the surface abundance; (2) the interior Z abundance is higher than the surface abundance; (3) the interior Z abundance is altered by mixing; and (4) a large primordial magnetic field remains in the solar core. The effect of all these models on the solar neutrino flux is considered, with the result that the high-Z model is rejected. The conclusions of Bahcall and Ulrich (1971) that a primordial magnetic field increases the neutrino flux are disputed.
Rhodes Elmer J.
Ulrich Richard K.
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