Solar neutrinos and galactic contamination of the sun

Details Solar neutrinos and galactic contamination of the sun Solar neutrinos and galactic contamination of the sun

Aug 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.262..560a&link_type=abstract

Nature, vol. 262, Aug. 12, 1976, p. 560, 561. Research supported by the National Research Council of Canada.

Astronomy and Astrophysics

Astronomy

14

Abundance, Interstellar Gas, Mass Transfer, Neutrinos, Solar Corpuscular Radiation, Astronomical Models, Heavy Elements, Hydrogen Clouds, Oao 2, Stellar Evolution

Scientific paper

It has been estimated (Jenkins and Savage, 1974) that the density of hydrogen in the form of protons, atoms, and molecules within 1 kpc of the sun is 1.5 atoms/cu cm. On the basis of this value, the total mass of interstellar matter accreted by the sun since its entry into the main sequence is estimated to be about 10 to the 29th-30th grams. If, as has been suggested (Trimble, 1975), the heavy element abundance by mass of stars presently in formation is 1.5-2.0 times that of stars formed when the sun was born, it is possible that the sun actually has a low heavy element content, except in its convective zone which is enriched by accretion. This could provide an attractive explanation of the low observed solar neutrino rate.

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