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Helioseismic constraints to the central solar temperature and neutrino fluxes

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arxiv astro-ph/9705164 v1 pith:IRAOERYU submitted 1997-05-21 astro-ph

Helioseismic constraints to the central solar temperature and neutrino fluxes

classification astro-ph
keywords solarcentralneutrinotemperaturecalculatedconvectivefluxfluxes
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The central solar temperature T and its uncertainties are calculated in helioseismologically-constrained solar models. From the best fit to the convective radius, density at the convective radius and seismically determined helium abundance the central temperature is found to be T=1.58x10^7 K, in excellent agreement with Standard Solar Models. Conservatively, we estimate that the accuracy of this determination is Delta T/T=1.4 %, better than that in SSM. Neutrino fluxes are calculated. The lower limit to the boron neutrino flux, obtained with maximum reduction factors from all sources of uncertainties, is 2 sigma higher than the flux measured recently by SuperKamiokande.

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