Solar models of low neutrino-counting rate - The central black hole

Astronomy and Astrophysics – Astronomy

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Astronomical Models, Black Holes (Astronomy), Neutrinos, Solar Radiation, Stellar Evolution, Boundary Value Problems, Eddington Approximation, Solar Temperature, Stellar Luminosity, Stellar Structure, Sun

Scientific paper

Partial evolutionary sequences have been calculated for several solar models with central black holes of the order of one hundred-thousandth of a solar mass. If these are assumed to radiate their Eddington-limiting luminosity, the central temperature is depressed to the extent that the predicted count rate for the Cl-36 solar neutrino experiment nears the current upper limit of 1 SNU. This occurs when the auxiliary energy source provides about half of the solar luminosity. Count rates below this limit would result from an even larger black-hole luminosity. Consequences for stellar evolution of the occasional presence of black holes inside normal stars are discussed.

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