Internal rotation of the Sun

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1984 English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 310, pages 22-25 (issn: 0028-0836, eissn: 1476-4687,

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Authors: T. L. Duvall; W. A. Dziembowski; P. R. Goode; D. O. Gough; J. W. Harvey; J. W. Leibacher;

doi: 10.1038/310022a0

Internal rotation of the Sun

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Abstract

The frequency difference between prograde and retrograde sectoral solar oscillations is analyzed to determine the rotation rate of the solar interior, assuming no latitudinal dependence. Much of the solar interior rotates slightly less rapidly than the surface, while the innermost part apparently rotates more rapidly. The resulting solar gravitational quadrupole moment is J2 = (1.7 + or - 0.4) x 10 to the -7th and provides a negligible contribution to current planetary tests of Einstein's theory of general relativity.

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