Physics
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phrvl..76..177l&link_type=abstract
Physical Review Letters, Volume 76, Issue 2, January 8, 1996, pp.177-179
Physics
30
Scientific paper
The Solar Disk Sextant experiment has measured the solar angular diameter for a variety of solar latitudes. Combined with solar surface angular rotation data, the solar quadrupole moment J2 and the solar octopole moment J4 have been derived first by assuming constant internal angular rotation on cylinders and then by assuming constant internal angular rotation on cones. We have derived values of 1.8×10-7 for J2 and 9.8×10-7 for J4. We conclude with a discussion of errors and address the prediction of general relativity for the rate of advance of perihelion of the planet Mercury.
Lydon Thomas J.
Sofia Sabatino
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