Phys. Rev. Lett. 50, 709–712 (1983)Consequences of a New Experimental Determination of the Quadrupole Moment of the Sun for Gravitation TheoryReceived 3 May 1982; published in the issue dated 7 March 1983 A preliminary experimental determination by Hill, Bos, and Goode of the interior rotation of the sun leads to a nonzero value for the quadrupole moment coefficient J2. This produces a deviation of 1.6% from Einstein's prediction of the precession of the perihelion of Mercury. A nonsymmetric gravitational theory can fit the measured precession with this J2 and all other solar-system relativity experiments for one value of a post-Newtonian parameter in the theory. A prediction is made for the perihelion precession of Icarus. © 1983 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.50.709
DOI:
10.1103/PhysRevLett.50.709
PACS:
04.80.+z, 96.60.-j, 97.10.-q
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