Helium content in the solar convective envelope from helioseismology

Details Helium content in the solar convective envelope from helioseismology Helium content in the solar convective envelope from helioseismology

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.249..602d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 249, April 15, 1991, p. 602-605.

Astronomy and Astrophysics

Astronomy

46

Convection, Helioseismology, Helium, Stellar Envelopes, Sun, Abundance, Stellar Evolution, Stellar Models, Stellar Structure

Scientific paper

Using measured frequencies of the solar p-modes, the fractional mass content of helium in the sun's envelope is determined. It is found that its value lies between 0.23 and 0.24. This result appears to be unaffected by the uncertainties in the treatment of the atmosphere and the outer convective zone, but it relies in a sensitive way on calculation of thermodynamical quantities.

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