Solar abundances and helioseismology: fine structure spacings and separation ratios of low-degree p modes

Details Solar abundances and helioseismology: fine structure spacings and separation ratios of low-degree p modes Solar abundances and helioseismology: fine structure spacings and separation ratios of low-degree p modes

2006-10-02

arxiv.org/abs/astro-ph/0610052v1

Astrophys.J.655:660-671,2007

Astronomy and Astrophysics

Astrophysics

To appear in ApJ

Scientific paper

10.1086/509820

We have used 4752 days of data collected by the Birmingham Solar-Oscillations Network (BiSON) to determine very precise oscillation frequencies of acoustic low-degree modes that probe the solar core. We compare the fine (small frequency) spacings and frequency separation ratios formed from these data with those of different solar models. We find that models constructed with low metallicity are incompatible with the observations. The results provide strong support for lowering the theoretical uncertainties on the neutrino fluxes. These uncertainties had recently been raised due to the controversy over the solar abundances.

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